organic compounds
Pentafluorophenyl (3R,4R,5S)-5-{[(3R,4R,5S)-5-azidomethyl-3,4-dimethoxy-2,3,4,5-tetrahydrofuran-3-carboxamido]methyl}-3,4-dimethoxy-2,3,4,5-tetrahydrofuran-3-carboxylate
aChemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, England, bMedway School of Pharmacy, Universities of Kent and Greenwich at Medway, Central Avenue, Chatham Maritime, Kent ME4 4TB, England, and cChiralabs Limited, Begbroke Centre for Innovation and Enterprise, Oxford University Begbroke Science Park, Oxfordshire, England
*Correspondence e-mail: michela.simone@chem.ox.ac.uk
The title compound, C22H25F5N4O9, is a stable pentafluorophenyl ester intermediate in the synthesis of novel homo-oligomeric structures containing branched carbon chains. The structure is epimeric to the previously characterized dimeric pentafluorophenyl ester with stereochemistry (3R,4R,5R), which was synthesized using D-ribose as starting material. The of the title molecule removes any ambiguities arising from the relative stereochemistries of the six chiral centres. Two hydrogen bonds, bifurcating from the NH group, stabilize the crystal: one intramolecular and one intermolecular, both involving O atoms of the methoxy groups. The contains two independent molecules not related by any pseudo-symmetry operators. The major conformational differences are localized, leading to one molecule being extended compared to the other. The collected crystal was twinned (twin ratio is 0.939:0.061), and the azide group is positionally disordered over two positions in one molecule [occupancy ratio 0.511 (18):0.489 (18)].
Related literature
For the synthesis and use of sugar amino acids, see: Smith & Fleet (1999); Gibson et al. (2009); Mayes, Stetz et al. (2004); Hungerford et al. (2000); Jagadeesh et al. (2009); Risseeuw et al. (2007); Edwards et al. (2008). For the synthesis of pentafluorophenyl in this series of compounds, see: Mayes, Cowley et al. (2004); Mayes, Simon et al. (2004). For other procedures for the synthesis of branched sugars, see: Ho & Wong (1985); Simone et al. (2005). For the synthesis of the title compound, see: Simone et al. (2008, 2010). For structures related to the title molecule, and their characteristic features, see: Punzo et al. (2006); Humphreys et al. (2005).
Experimental
Crystal data
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Refinement
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Data collection: COLLECT (Nonius, 2001); cell DENZO/SCALEPACK (Otwinowski & Minor, 1997); data reduction: DENZO/SCALEPACK; program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: CRYSTALS (Betteridge et al., 2003; Cooper et al., 2010); molecular graphics: CAMERON (Watkin et al., 1996); software used to prepare material for publication: CRYSTALS.
Supporting information
https://doi.org/10.1107/S1600536810038559/bh2308sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810038559/bh2308Isup2.hkl
The title compound (2) was obtained (Simone et al., 2010) as a colourless oil which crystallized on standing and was recrystallized from ethyl acetate/petroleum ether 60–80°C. M.p. 364.2–365.2 K; m/z (ES+): 585.2 ([M+H]+, 60%), 607.2 ([M+H]+, 37%), 1191.1 ([2M+Na]+, 100%); HRMS (ES+): found 585.1612 [M+H]+ C22H26N4O9F5 requires 585.1620; νmax (thin film): 3426 (br s, NH), 2947, 2839 (C—H), 2103 (s, N3), 1784 (m, C=OOPfp), 1657 (s, C=ONH, I), 1524 (s, C=ONH, II) cm-1; [α]D24 -32.5 (c, 0.17 in dichloromethane); δH (C6D6, 500 MHz): 3.00 (3H, s, C3OCH3, A), 3.18 (3H, s, C3OCH3, B), 3.26 (3H, s, C4OCH3, B), 3.30 (1H, dd, JH-6,H-6' 12.6 Hz, JH-6,H-5 6.3 Hz, H-6, A), 3.33 (3H, s, C4OCH3, A), 3.42 (1H, ddd, JH-6,H-6' 13.1 Hz, JH-6,H-5 8.5 Hz, JH-6,NH 4.0 Hz, H-6, B), 3.53 (1H, dd, JH-6',H-6 12.7 Hz, JH-6',H-5 7.2 Hz, H-6', A), 3.58 (1H, d, JH-4,H-5 4.8 Hz, H-4, A), 3.85 (1H, d, JH-4,H-5 4.3 Hz, H-4, B), 4.02–4.05 (1H, m, H-6', B), 4.06 (1H, d, JH-2,H-2' 10.5 Hz, H-2, B), 4.09 (1H, d, JH-2,H-2' 10.7 Hz, H-2, A), 4.32–4.38 (1H, m, H-5, A), 4.34–4.40 (1H, m, H-5, B), 4.53 (1H, d, JH-2',H-2 10.4 Hz, H-2', B), 4.77 (1H, d, JH-2',H-2 10.7 Hz, H-2', A), 6.85–6.90 (1H, m, JNH,H-6 4.0 Hz, NH); δC (C6D6, 125 MHz): 38.8 (C-6, B), 49.9 (C-6, A), 52.0 (C3OCH3, A), 53.1 (C3OCH3, B), 59.9 (C4OCH3, A), 60.5 (C4OCH3, B), 67.4 (C-2, A), 68.6 (C-2, B), 79.9 (C-5, B), 80.3 (C-5, A), 88.1 (C-4, B), 88.3 (C-4, A), 90.5 (C-3, B), 91.7 (C-3, A), 124.8 (m, ArCq), 137.1, 139.1 (2 C, m, 2 x meta Ar—CH), 138.7, 140.7 (1 C, m, para Ar—CH), 140.2, 142.1 (2 C, m, 2 x ortho Ar—CH), 165.2 (CONH), 168.2 (CO2Pfp); δF (C6D6, 376 MHz): -162.3 (2 F, dd, 3JFmeta,Fpara 23.2 Hz, 3JFmeta,Fortho 18.8 Hz, 2 x Fmeta), -157.3 (1 F, t, 3JFpara,Fmeta 23.3 Hz, Fpara), -153.0 (2 F, d, 3JFortho,Fmeta 18.5 Hz, 2 x Fortho).
In the absence of significant
Friedel pairs were merged and the assigned from the known starting materials.The relatively large ratio of minimum to maximum corrections applied in the multiscan process (1:1.30) reflects changes in the illuminated volume of the crystal. These were kept to a minimum, and were taken into account by the multi-scan inter-frame scaling (DENZO/SCALEPACK, Otwinowski & Minor, 1997).
The H atoms were all located in a difference map, but those attached to C atoms were repositioned geometrically. All H atoms except that on C118 (at the start of the disordered azide group) were initially refined with soft restraints on the bond lengths and angles to regularize their geometry (C—H in the range 0.93–0.98, N—H to 0.86 Å) and Uiso(H) (in the range 1.2–1.5 times Ueq of the parent atom), after which the positions were refined with riding constraints (Cooper et al., 2010).
In spite of the poor quality of the crystal, distance and adp similarity restraints were only necessary for the disordered azide group in molecule B.
Sugar amino acids (SAAs) have been extensively used in the design of peptidomimetics (Smith & Fleet, 1999; Gibson et al., 2009), cyclodextrin mimics (Mayes, Stetz et al., 2004), and foldamers (Hungerford et al., 2000; Jagadeesh et al., 2009). Foldamers provide increased understanding of the factors which induce secondary structures in proteins (Edwards et al., 2008). Pentafluorophenyl
have been shown to be particularly useful in the synthesis of homo-oligomers of SAAs (Mayes, Cowley et al., 2004; Mayes, Simon et al., 2004). Hitherto, all SAAs (Risseeuw et al., 2007) used as peptidomimetics contain linear carbon chains. Efficient syntheses of branched sugars by the Ho-crossed aldol condensation (Ho & Wong, 1985; Simone et al., 2005) allows access to carbon-branched SAA scaffolds, such as (1), which may provide monomers for new classes of foldamers.The key step in the synthesis of the branched SAA precursor (1) is the reaction of formaldehyde with a suitably protected lactol derived from 2,3-O-isopropylidene-L-lyxono-1,4-lactone (Simone et al., 2008). The SAA precursor (1) was converted by standard peptide procedures into the branched dimeric pentafluorophenyl ester (2)- a key intermediate in the synthesis of longer homo-oligomeric carbopeptoids (Simone et al., 2010). The
of the dimeric branched pentafluorophenyl ester (2) was determined by the use of 2,3-O-isopropylidene-L-lyxono-1,4-lactone as the starting material (Fig. 1). This structure is epimeric to the dimeric pentafluorophenyl ester with stereochemistry (3R,4R,5R) (Punzo et al., 2006) which was synthesized using D-ribose as starting material.The title material (2) crystallizes with two molecules in the
(Z'= 2, Fig. 2 and 3), and is twinned (twin law 1,0,0/0,-1,0/-0.397,0,-1; twin ratio 0.939:0.061). The two molecules have substantially different conformations (r.m.s. positional deviations after best-matching = 1.07 Å, r.m.s. torsion angle deviation = 22.3°). However, the local geometries in both are quite normal (r.m.s. bond length deviation = 0.02 Å). The principal differences are in the region O6—C7—C11—N12—C13—C14—O25 (in molecule A, Fig. 2) and the corresponding region O106—C107—C111—N112—C113—C114—O125 (in molecule B, Fig. 3; see Table 2). The especially large deviations for C7—C11—N12—C13 and N12—C13—C14—O25 leads to molecule A being partially folded back on itself so that it is less extended than molecule B (Fig. 4). Molecule B has disorder in the azide that can be modelled as two distinct sites. In both A and B, some of the atoms in the 5-membered rings and adjacent methyl groups show large adp's. This is consistent with the ring fluxion commonly seen in this class of compounds, and cannot really be modelled as split atoms. The non-linearity of the azide group [N22—N23—N24: 170.6 (8)°] and slight alternation in the N adp's are common in this class of structures (Humphreys et al., 2005).The
consists of infinite chains with an equivalent hydrogen bond linking molecule A to B as that linking B to the next A (Fig. 5). These chains are stacked side-by-side to form layers (Fig. 6). One face of this layer consists of pentafluorophenyl groups, the other face contains the terminal azide groups. The aromatic face is essentially flat, and opposes the aromatic face of the adjacent layer. The azide face is pleated (as a result of the differing over-all length of the molecules), with the ridges in one layer fitting into the hollows of the next.For the synthesis and use of sugar amino acids, see: Smith & Fleet (1999); Gibson et al. (2009); Mayes, Stetz et al. (2004); Hungerford et al. (2000); Jagadeesh et al. (2009); Risseeuw et al. (2007); Edwards et al. (2008). For the synthesis of pentafluorophenyl
in this series of compounds, see: Mayes, Cowley et al. (2004); Mayes, Simon et al. (2004). For other procedures for the synthesis of branched sugars, see: Ho & Wong (1985); Simone et al. (2005). For the synthesis of the title compound, see: Simone et al. (2008, 2010). For structures related to the title molecule, and their characteristic features, see: Punzo et al. (2006); Humphreys et al. (2005).Data collection: COLLECT (Nonius, 2001); cell
DENZO/SCALEPACK (Otwinowski & Minor, 1997); data reduction: DENZO/SCALEPACK (Otwinowski & Minor, 1997); program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: CRYSTALS (Betteridge et al., 2003; Cooper et al., 2010); molecular graphics: CAMERON (Watkin et al., 1996); software used to prepare material for publication: CRYSTALS (Betteridge et al., 2003; Cooper et al., 2010).Fig. 1. Synthetic route for the title compound (2). | |
Fig. 2. The contracted molecule (A) in the title compound with displacement ellipsoids drawn at the 50% probability level. H atoms are shown as spheres of arbitrary radius. | |
Fig. 3. The extended molecule (B) in the title compound with displacement ellipsoids drawn at the 50% probability level. H atoms are shown as spheres of arbitrary radius. | |
Fig. 4. Best-match projection of molecule A and B. The C atoms in molecule A are red, those in B green. | |
Fig. 5. Part of the hydrogen bond ribbon. Even though molecules A and B have different configurations, the hydrogen bonding between A and B is very similar to that between B and A (Table 1). The short internal contact involving N—H···O is probably not a real hydrogen bond because the angle is too acute, but it may play a role in conserving the geometry in this region (Table 1). | |
Fig. 6. The hydrogen bonded ribbons are packed side-by-side into layers. The aromatic face of one layer lies adjacent to the corresponding face of an adjacent layer. |
C22H25F5N4O9 | F(000) = 2416.000 |
Mr = 584.45 | Dx = 1.509 Mg m−3 |
Monoclinic, C2 | Melting point: 364.2 K |
Hall symbol: C 2y | Mo Kα radiation, λ = 0.71073 Å |
a = 26.8973 (4) Å | Cell parameters from 4194 reflections |
b = 7.9070 (1) Å | θ = 5–25° |
c = 24.7763 (5) Å | µ = 0.14 mm−1 |
β = 102.4436 (6)° | T = 150 K |
V = 5145.56 (15) Å3 | Plate, colourless |
Z = 8 | 0.80 × 0.08 × 0.08 mm |
Nonius KappaCCD diffractometer | 4160 reflections with I > 2.0σ(I) |
Graphite monochromator | Rint = 0.023 |
ω scans | θmax = 25.0°, θmin = 5.1° |
Absorption correction: multi-scan (DENZO/SCALEPACK; Otwinowski & Minor, 1997) | h = −31→32 |
Tmin = 0.76, Tmax = 0.99 | k = −8→9 |
17175 measured reflections | l = −29→29 |
4754 independent reflections |
Refinement on F2 | 0 constraints |
Least-squares matrix: full | Primary atom site location: structure-invariant direct methods |
R[F2 > 2σ(F2)] = 0.057 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.159 | H-atom parameters constrained |
S = 0.99 | w = 1/[σ2(F2) + (0.12P)2 + 4.59P], where P = [max(Fo2,0) + 2Fc2]/3 |
4754 reflections | (Δ/σ)max = 0.0002536 |
759 parameters | Δρmax = 0.90 e Å−3 |
83 restraints | Δρmin = −0.43 e Å−3 |
C22H25F5N4O9 | V = 5145.56 (15) Å3 |
Mr = 584.45 | Z = 8 |
Monoclinic, C2 | Mo Kα radiation |
a = 26.8973 (4) Å | µ = 0.14 mm−1 |
b = 7.9070 (1) Å | T = 150 K |
c = 24.7763 (5) Å | 0.80 × 0.08 × 0.08 mm |
β = 102.4436 (6)° |
Nonius KappaCCD diffractometer | 4754 independent reflections |
Absorption correction: multi-scan (DENZO/SCALEPACK; Otwinowski & Minor, 1997) | 4160 reflections with I > 2.0σ(I) |
Tmin = 0.76, Tmax = 0.99 | Rint = 0.023 |
17175 measured reflections |
R[F2 > 2σ(F2)] = 0.057 | 83 restraints |
wR(F2) = 0.159 | H-atom parameters constrained |
S = 0.99 | Δρmax = 0.90 e Å−3 |
4754 reflections | Δρmin = −0.43 e Å−3 |
759 parameters |
Experimental. The crystal was placed in the cold stream of an Oxford Cryosystems open-flow nitrogen cryostat, with a nominal stability of 0.1 K. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
C1 | 0.4720 (2) | 0.0750 (9) | 0.3805 (2) | 0.0420 | |
O2 | 0.44018 (13) | 0.1870 (6) | 0.34614 (16) | 0.0397 | |
C3 | 0.38899 (19) | 0.1640 (8) | 0.3421 (2) | 0.0393 | |
C4 | 0.35842 (18) | 0.2805 (7) | 0.2970 (2) | 0.0334 | |
C5 | 0.30354 (19) | 0.2195 (8) | 0.2792 (3) | 0.0406 | |
O6 | 0.27353 (15) | 0.3616 (6) | 0.2641 (2) | 0.0581 | |
C7 | 0.3045 (2) | 0.5121 (7) | 0.2749 (2) | 0.0386 | |
C8 | 0.35104 (18) | 0.4609 (7) | 0.3173 (2) | 0.0334 | |
O9 | 0.34056 (13) | 0.4538 (6) | 0.37104 (15) | 0.0449 | |
C10 | 0.3731 (3) | 0.5595 (13) | 0.4103 (3) | 0.0746 | |
C11 | 0.2724 (2) | 0.6557 (8) | 0.2890 (3) | 0.0440 | |
N12 | 0.23588 (15) | 0.7098 (6) | 0.2389 (2) | 0.0377 | |
C13 | 0.2519 (2) | 0.8066 (7) | 0.2025 (3) | 0.0418 | |
C14 | 0.21709 (19) | 0.8268 (7) | 0.1449 (3) | 0.0408 | |
C15 | 0.2357 (2) | 0.7039 (8) | 0.1041 (2) | 0.0396 | |
O16 | 0.27759 (15) | 0.6052 (6) | 0.13194 (17) | 0.0465 | |
C17 | 0.2760 (5) | 0.4357 (10) | 0.1194 (5) | 0.1005 | |
C18 | 0.2499 (2) | 0.8238 (9) | 0.0613 (3) | 0.0500 | |
O19 | 0.2628 (2) | 0.9862 (7) | 0.0925 (2) | 0.0662 | |
C20 | 0.2237 (3) | 1.0042 (8) | 0.1210 (4) | 0.0604 | |
C21 | 0.2956 (3) | 0.7817 (11) | 0.0418 (3) | 0.0663 | |
N22 | 0.3103 (2) | 0.9143 (9) | 0.0060 (2) | 0.0644 | |
N23 | 0.33914 (17) | 1.0349 (8) | 0.0317 (2) | 0.0455 | |
N24 | 0.3598 (3) | 1.1349 (12) | 0.0451 (4) | 0.0996 | |
O25 | 0.16578 (14) | 0.7812 (6) | 0.14434 (18) | 0.0475 | |
C26 | 0.1388 (3) | 0.9057 (11) | 0.1697 (3) | 0.0646 | |
O27 | 0.29382 (14) | 0.8802 (6) | 0.2127 (2) | 0.0511 | |
O28 | 0.38321 (12) | 0.3016 (5) | 0.25249 (14) | 0.0301 | |
C29 | 0.38704 (19) | 0.1522 (8) | 0.2206 (2) | 0.0367 | |
O30 | 0.37183 (15) | 0.0637 (7) | 0.3697 (2) | 0.0587 | |
C31 | 0.4741 (3) | −0.0927 (9) | 0.3682 (3) | 0.0514 | |
C32 | 0.5094 (3) | −0.1973 (12) | 0.4007 (4) | 0.0747 | |
C33 | 0.5434 (3) | −0.1318 (14) | 0.4461 (3) | 0.0724 | |
C34 | 0.5418 (2) | 0.0377 (14) | 0.4584 (3) | 0.0654 | |
C35 | 0.5070 (2) | 0.1392 (11) | 0.4262 (3) | 0.0514 | |
F36 | 0.50605 (14) | 0.3058 (7) | 0.43773 (17) | 0.0658 | |
F37 | 0.57451 (14) | 0.1043 (9) | 0.50139 (17) | 0.0893 | |
F38 | 0.5772 (2) | −0.2327 (9) | 0.4771 (2) | 0.1124 | |
F39 | 0.5108 (3) | −0.3608 (7) | 0.3887 (3) | 0.1051 | |
F40 | 0.44264 (17) | −0.1554 (6) | 0.32414 (17) | 0.0674 | |
H51 | 0.2930 | 0.1663 | 0.3101 | 0.0515* | |
H52 | 0.2992 | 0.1399 | 0.2486 | 0.0513* | |
H71 | 0.3164 | 0.5395 | 0.2409 | 0.0450* | |
H81 | 0.3792 | 0.5329 | 0.3159 | 0.0414* | |
H101 | 0.3618 | 0.5613 | 0.4445 | 0.1108* | |
H102 | 0.4076 | 0.5171 | 0.4164 | 0.1109* | |
H103 | 0.3719 | 0.6722 | 0.3955 | 0.1114* | |
H111 | 0.2539 | 0.6184 | 0.3168 | 0.0536* | |
H112 | 0.2937 | 0.7512 | 0.3025 | 0.0536* | |
H151 | 0.2073 | 0.6292 | 0.0873 | 0.0484* | |
H171 | 0.3063 | 0.3811 | 0.1416 | 0.1369* | |
H172 | 0.2756 | 0.4218 | 0.0805 | 0.1373* | |
H173 | 0.2452 | 0.3864 | 0.1274 | 0.1370* | |
H181 | 0.2193 | 0.8517 | 0.0330 | 0.0616* | |
H201 | 0.2328 | 1.0904 | 0.1501 | 0.0843* | |
H202 | 0.1922 | 1.0373 | 0.0961 | 0.0842* | |
H211 | 0.2902 | 0.6730 | 0.0219 | 0.0866* | |
H212 | 0.3233 | 0.7699 | 0.0747 | 0.0861* | |
H261 | 0.1043 | 0.8660 | 0.1674 | 0.1063* | |
H262 | 0.1557 | 0.9180 | 0.2081 | 0.1062* | |
H263 | 0.1385 | 1.0131 | 0.1508 | 0.1062* | |
H291 | 0.4064 | 0.1752 | 0.1929 | 0.0577* | |
H292 | 0.4042 | 0.0641 | 0.2445 | 0.0578* | |
H293 | 0.3534 | 0.1133 | 0.2030 | 0.0571* | |
H121 | 0.2049 | 0.6703 | 0.2314 | 0.0453* | |
C117 | 0.5021 (3) | 0.2319 (13) | 0.0929 (4) | 0.0801 | |
O116 | 0.49194 (18) | 0.4042 (8) | 0.0831 (2) | 0.0722 | |
C115 | 0.4454 (2) | 0.4581 (10) | 0.0950 (3) | 0.0550 | |
C114 | 0.45486 (17) | 0.5879 (7) | 0.1427 (2) | 0.0310 | |
C120 | 0.4646 (3) | 0.7465 (9) | 0.1117 (2) | 0.0497 | |
O119 | 0.4268 (2) | 0.7415 (9) | 0.06111 (19) | 0.0794 | |
C118 | 0.4153 (2) | 0.5647 (11) | 0.0463 (2) | 0.0621 | |
C121 | 0.4308 (5) | 0.575 (2) | −0.0090 (4) | 0.0581 | 0.511 (18) |
N122 | 0.3979 (5) | 0.6849 (15) | −0.0521 (5) | 0.0483 | 0.511 (18) |
N123 | 0.4064 (5) | 0.8486 (15) | −0.0497 (5) | 0.0443 | 0.511 (18) |
N124 | 0.4131 (5) | 0.9747 (17) | −0.0512 (5) | 0.0637 | 0.511 (18) |
C113 | 0.49815 (17) | 0.5442 (7) | 0.1907 (2) | 0.0312 | |
N112 | 0.48531 (14) | 0.4574 (6) | 0.23224 (18) | 0.0337 | |
C111 | 0.5243 (2) | 0.3948 (8) | 0.2780 (2) | 0.0373 | |
C107 | 0.55076 (18) | 0.2409 (7) | 0.2601 (2) | 0.0312 | |
O106 | 0.51648 (13) | 0.0987 (5) | 0.25502 (17) | 0.0412 | |
C105 | 0.54569 (18) | −0.0488 (8) | 0.2533 (2) | 0.0372 | |
C104 | 0.60205 (17) | −0.0040 (7) | 0.2762 (2) | 0.0291 | |
C108 | 0.59836 (18) | 0.1781 (7) | 0.2994 (2) | 0.0320 | |
O109 | 0.59212 (13) | 0.1648 (5) | 0.35444 (15) | 0.0383 | |
C110 | 0.6201 (2) | 0.2895 (9) | 0.3900 (2) | 0.0492 | |
C103 | 0.62809 (17) | −0.1243 (7) | 0.3212 (2) | 0.0308 | |
O102 | 0.67965 (12) | −0.0920 (5) | 0.33282 (14) | 0.0312 | |
C101 | 0.71065 (17) | −0.1939 (7) | 0.3717 (2) | 0.0301 | |
C131 | 0.71597 (19) | −0.3638 (7) | 0.3636 (2) | 0.0333 | |
C132 | 0.7505 (2) | −0.4588 (8) | 0.4010 (2) | 0.0419 | |
C133 | 0.7793 (2) | −0.3825 (8) | 0.4467 (2) | 0.0398 | |
C134 | 0.7739 (2) | −0.2145 (8) | 0.4554 (2) | 0.0397 | |
C135 | 0.73976 (19) | −0.1191 (7) | 0.4179 (2) | 0.0337 | |
F136 | 0.73630 (13) | 0.0473 (5) | 0.42632 (14) | 0.0484 | |
F137 | 0.80219 (14) | −0.1370 (6) | 0.50043 (14) | 0.0575 | |
F138 | 0.81310 (13) | −0.4746 (5) | 0.48326 (15) | 0.0551 | |
F139 | 0.75578 (15) | −0.6241 (5) | 0.39232 (16) | 0.0559 | |
F140 | 0.68948 (12) | −0.4392 (5) | 0.31769 (13) | 0.0459 | |
O130 | 0.60865 (14) | −0.2288 (5) | 0.34484 (17) | 0.0434 | |
O128 | 0.63024 (12) | 0.0180 (5) | 0.23410 (14) | 0.0319 | |
C129 | 0.63836 (19) | −0.1350 (8) | 0.2052 (2) | 0.0382 | |
O127 | 0.54240 (12) | 0.5832 (5) | 0.19084 (17) | 0.0420 | |
O125 | 0.40702 (12) | 0.5920 (5) | 0.15871 (14) | 0.0350 | |
C126 | 0.3985 (2) | 0.7382 (9) | 0.1890 (3) | 0.0533 | |
C221 | 0.4201 (5) | 0.4784 (19) | −0.0043 (4) | 0.0622 | 0.489 (18) |
N222 | 0.3914 (4) | 0.581 (2) | −0.0501 (4) | 0.0713 | 0.489 (18) |
N223 | 0.4109 (6) | 0.730 (3) | −0.0551 (7) | 0.0682 | 0.489 (18) |
N224 | 0.4213 (7) | 0.848 (2) | −0.0642 (7) | 0.0742 | 0.489 (18) |
H1171 | 0.5378 | 0.2119 | 0.0944 | 0.1160* | |
H1172 | 0.4817 | 0.1663 | 0.0638 | 0.1159* | |
H1173 | 0.4944 | 0.2023 | 0.1280 | 0.1160* | |
H1151 | 0.4263 | 0.3604 | 0.1032 | 0.0717* | |
H1201 | 0.4993 | 0.7468 | 0.1062 | 0.0583* | |
H1202 | 0.4591 | 0.8459 | 0.1319 | 0.0583* | |
H1111 | 0.5084 | 0.3635 | 0.3083 | 0.0432* | |
H1112 | 0.5502 | 0.4822 | 0.2899 | 0.0435* | |
H1071 | 0.5596 | 0.2633 | 0.2239 | 0.0365* | |
H1051 | 0.5413 | −0.0905 | 0.2154 | 0.0461* | |
H1052 | 0.5354 | −0.1370 | 0.2760 | 0.0454* | |
H1081 | 0.6282 | 0.2477 | 0.2973 | 0.0372* | |
H1101 | 0.6117 | 0.2792 | 0.4257 | 0.0722* | |
H1102 | 0.6113 | 0.4009 | 0.3753 | 0.0721* | |
H1103 | 0.6556 | 0.2705 | 0.3940 | 0.0721* | |
H1291 | 0.6531 | −0.1053 | 0.1746 | 0.0582* | |
H1292 | 0.6069 | −0.1947 | 0.1926 | 0.0584* | |
H1293 | 0.6617 | −0.2071 | 0.2299 | 0.0583* | |
H1261 | 0.3708 | 0.7169 | 0.2070 | 0.0804* | |
H1262 | 0.3899 | 0.8332 | 0.1646 | 0.0800* | |
H1263 | 0.4291 | 0.7634 | 0.2163 | 0.0800* | |
H1121 | 0.4538 | 0.4325 | 0.2307 | 0.0413* | |
H1211 | 0.4310 | 0.4576 | −0.0243 | 0.0720* | 0.511 (18) |
H1212 | 0.4661 | 0.6221 | −0.0016 | 0.0720* | 0.511 (18) |
H2211 | 0.4058 | 0.3615 | −0.0054 | 0.0681* | 0.489 (18) |
H2212 | 0.4568 | 0.4724 | −0.0061 | 0.0681* | 0.489 (18) |
H1181 | 0.3782 | 0.5463 | 0.0443 | 0.0747* |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.037 (3) | 0.055 (4) | 0.037 (3) | 0.011 (3) | 0.016 (2) | 0.012 (3) |
O2 | 0.0326 (17) | 0.043 (2) | 0.044 (2) | 0.0024 (17) | 0.0089 (16) | 0.0094 (18) |
C3 | 0.033 (3) | 0.044 (3) | 0.045 (3) | 0.004 (2) | 0.018 (2) | 0.009 (3) |
C4 | 0.031 (2) | 0.036 (3) | 0.035 (3) | 0.001 (2) | 0.011 (2) | 0.002 (2) |
C5 | 0.032 (3) | 0.038 (3) | 0.056 (4) | 0.001 (2) | 0.019 (2) | −0.002 (3) |
O6 | 0.038 (2) | 0.032 (2) | 0.090 (3) | 0.0027 (18) | −0.017 (2) | −0.020 (2) |
C7 | 0.038 (3) | 0.033 (3) | 0.042 (3) | 0.005 (2) | 0.002 (2) | −0.010 (2) |
C8 | 0.030 (2) | 0.037 (3) | 0.033 (3) | −0.006 (2) | 0.007 (2) | −0.005 (2) |
O9 | 0.0368 (18) | 0.063 (3) | 0.037 (2) | −0.0122 (19) | 0.0117 (16) | −0.017 (2) |
C10 | 0.074 (4) | 0.103 (7) | 0.045 (4) | −0.036 (5) | 0.010 (3) | −0.032 (4) |
C11 | 0.046 (3) | 0.033 (3) | 0.053 (3) | 0.008 (3) | 0.010 (3) | −0.012 (3) |
N12 | 0.025 (2) | 0.032 (2) | 0.055 (3) | 0.0005 (19) | 0.0082 (19) | 0.001 (2) |
C13 | 0.034 (3) | 0.027 (3) | 0.065 (4) | 0.004 (2) | 0.012 (2) | −0.010 (3) |
C14 | 0.033 (3) | 0.029 (3) | 0.064 (4) | 0.001 (2) | 0.020 (2) | 0.008 (3) |
C15 | 0.039 (3) | 0.029 (3) | 0.050 (3) | 0.002 (2) | 0.010 (2) | 0.007 (3) |
O16 | 0.051 (2) | 0.037 (2) | 0.050 (2) | 0.0119 (19) | 0.0072 (18) | 0.003 (2) |
C17 | 0.144 (9) | 0.030 (4) | 0.103 (7) | 0.020 (5) | −0.028 (6) | −0.004 (4) |
C18 | 0.052 (3) | 0.051 (4) | 0.046 (3) | −0.005 (3) | 0.008 (3) | 0.009 (3) |
O19 | 0.081 (3) | 0.047 (3) | 0.075 (3) | −0.013 (3) | 0.026 (3) | 0.002 (3) |
C20 | 0.059 (4) | 0.032 (3) | 0.103 (6) | 0.015 (3) | 0.043 (4) | 0.023 (3) |
C21 | 0.063 (4) | 0.065 (5) | 0.078 (5) | 0.003 (4) | 0.031 (4) | 0.020 (4) |
N22 | 0.061 (3) | 0.079 (4) | 0.055 (3) | −0.023 (3) | 0.016 (3) | 0.010 (3) |
N23 | 0.037 (2) | 0.060 (3) | 0.039 (2) | −0.0045 (19) | 0.0064 (19) | 0.023 (2) |
N24 | 0.101 (5) | 0.078 (5) | 0.112 (5) | −0.033 (4) | 0.006 (4) | 0.004 (4) |
O25 | 0.0341 (18) | 0.047 (2) | 0.062 (2) | 0.0003 (18) | 0.0126 (17) | 0.012 (2) |
C26 | 0.057 (4) | 0.072 (5) | 0.076 (5) | 0.026 (4) | 0.038 (4) | 0.035 (4) |
O27 | 0.0330 (19) | 0.036 (2) | 0.086 (3) | −0.0095 (18) | 0.0182 (19) | −0.017 (2) |
O28 | 0.0293 (15) | 0.0281 (18) | 0.0354 (18) | −0.0036 (14) | 0.0122 (14) | −0.0013 (15) |
C29 | 0.035 (2) | 0.039 (3) | 0.039 (3) | 0.001 (2) | 0.013 (2) | −0.002 (2) |
O30 | 0.042 (2) | 0.070 (3) | 0.068 (3) | 0.002 (2) | 0.022 (2) | 0.030 (3) |
C31 | 0.062 (4) | 0.051 (4) | 0.047 (4) | 0.018 (3) | 0.026 (3) | 0.015 (3) |
C32 | 0.085 (5) | 0.071 (5) | 0.081 (6) | 0.040 (5) | 0.046 (5) | 0.037 (5) |
C33 | 0.061 (4) | 0.101 (7) | 0.062 (5) | 0.031 (5) | 0.027 (4) | 0.045 (5) |
C34 | 0.037 (3) | 0.116 (8) | 0.043 (4) | 0.010 (4) | 0.007 (3) | 0.025 (4) |
C35 | 0.038 (3) | 0.075 (5) | 0.045 (3) | 0.008 (3) | 0.016 (3) | 0.013 (3) |
F36 | 0.050 (2) | 0.086 (3) | 0.057 (2) | −0.001 (2) | 0.0006 (17) | −0.003 (2) |
F37 | 0.046 (2) | 0.165 (6) | 0.053 (2) | 0.012 (3) | 0.0010 (18) | 0.024 (3) |
F38 | 0.088 (3) | 0.148 (6) | 0.105 (4) | 0.067 (4) | 0.029 (3) | 0.081 (4) |
F39 | 0.134 (5) | 0.063 (3) | 0.133 (5) | 0.051 (3) | 0.062 (4) | 0.043 (3) |
F40 | 0.088 (3) | 0.055 (3) | 0.060 (2) | 0.011 (2) | 0.018 (2) | 0.001 (2) |
C117 | 0.064 (5) | 0.088 (7) | 0.085 (6) | 0.031 (5) | 0.010 (4) | 0.006 (5) |
O116 | 0.051 (3) | 0.076 (4) | 0.100 (4) | −0.007 (3) | 0.039 (3) | −0.044 (3) |
C115 | 0.034 (3) | 0.062 (4) | 0.075 (5) | −0.017 (3) | 0.028 (3) | −0.039 (4) |
C114 | 0.028 (2) | 0.029 (3) | 0.038 (3) | −0.004 (2) | 0.013 (2) | −0.005 (2) |
C120 | 0.059 (4) | 0.050 (4) | 0.034 (3) | −0.021 (3) | −0.003 (3) | 0.005 (3) |
O119 | 0.081 (3) | 0.110 (5) | 0.037 (2) | −0.046 (4) | −0.011 (2) | 0.025 (3) |
C118 | 0.039 (3) | 0.101 (5) | 0.047 (3) | −0.015 (3) | 0.011 (2) | −0.028 (4) |
C121 | 0.048 (5) | 0.088 (7) | 0.034 (4) | 0.007 (5) | −0.002 (4) | −0.005 (5) |
N122 | 0.043 (6) | 0.067 (6) | 0.030 (5) | −0.003 (5) | −0.004 (4) | −0.013 (5) |
N123 | 0.034 (5) | 0.068 (6) | 0.032 (5) | −0.005 (5) | 0.008 (4) | −0.001 (5) |
N124 | 0.056 (6) | 0.077 (7) | 0.052 (6) | −0.022 (6) | −0.001 (5) | 0.020 (6) |
C113 | 0.028 (2) | 0.022 (2) | 0.045 (3) | 0.003 (2) | 0.012 (2) | −0.001 (2) |
N112 | 0.0247 (19) | 0.029 (2) | 0.048 (3) | 0.0015 (18) | 0.0104 (18) | 0.002 (2) |
C111 | 0.035 (3) | 0.033 (3) | 0.045 (3) | 0.006 (2) | 0.011 (2) | 0.003 (2) |
C107 | 0.028 (2) | 0.029 (3) | 0.038 (3) | 0.003 (2) | 0.007 (2) | 0.003 (2) |
O106 | 0.0254 (16) | 0.033 (2) | 0.062 (2) | 0.0001 (16) | 0.0021 (16) | −0.0063 (19) |
C105 | 0.023 (2) | 0.038 (3) | 0.049 (3) | −0.002 (2) | 0.002 (2) | −0.005 (3) |
C104 | 0.024 (2) | 0.031 (3) | 0.032 (3) | −0.001 (2) | 0.0060 (19) | 0.003 (2) |
C108 | 0.029 (2) | 0.032 (3) | 0.033 (3) | −0.001 (2) | 0.004 (2) | 0.001 (2) |
O109 | 0.0365 (18) | 0.045 (2) | 0.0333 (19) | −0.0085 (17) | 0.0083 (15) | −0.0040 (17) |
C110 | 0.046 (3) | 0.056 (4) | 0.042 (3) | −0.008 (3) | 0.002 (2) | −0.017 (3) |
C103 | 0.027 (2) | 0.031 (3) | 0.033 (3) | −0.001 (2) | 0.0053 (19) | 0.002 (2) |
O102 | 0.0243 (15) | 0.035 (2) | 0.0326 (18) | −0.0005 (14) | 0.0020 (13) | 0.0118 (15) |
C101 | 0.026 (2) | 0.034 (3) | 0.032 (3) | 0.007 (2) | 0.011 (2) | 0.008 (2) |
C131 | 0.033 (2) | 0.033 (3) | 0.036 (3) | 0.001 (2) | 0.012 (2) | 0.005 (2) |
C132 | 0.049 (3) | 0.037 (3) | 0.043 (3) | 0.010 (3) | 0.016 (3) | 0.002 (3) |
C133 | 0.039 (3) | 0.038 (3) | 0.044 (3) | 0.013 (2) | 0.011 (2) | 0.018 (3) |
C134 | 0.037 (3) | 0.046 (3) | 0.034 (3) | −0.002 (3) | 0.003 (2) | 0.004 (3) |
C135 | 0.037 (3) | 0.027 (3) | 0.036 (3) | −0.001 (2) | 0.004 (2) | 0.002 (2) |
F136 | 0.060 (2) | 0.037 (2) | 0.0441 (18) | 0.0018 (16) | 0.0029 (15) | −0.0008 (15) |
F137 | 0.063 (2) | 0.059 (3) | 0.0395 (19) | −0.0037 (19) | −0.0133 (16) | 0.0017 (17) |
F138 | 0.0474 (17) | 0.059 (2) | 0.056 (2) | 0.0174 (17) | 0.0050 (16) | 0.0249 (18) |
F139 | 0.068 (2) | 0.0328 (19) | 0.070 (2) | 0.0132 (17) | 0.0213 (19) | 0.0058 (18) |
F140 | 0.0512 (17) | 0.042 (2) | 0.0420 (17) | −0.0038 (15) | 0.0045 (14) | −0.0093 (15) |
O130 | 0.0372 (19) | 0.042 (2) | 0.052 (2) | −0.0032 (17) | 0.0132 (17) | 0.016 (2) |
O128 | 0.0317 (16) | 0.0315 (19) | 0.0328 (18) | −0.0007 (15) | 0.0075 (14) | 0.0030 (15) |
C129 | 0.034 (2) | 0.040 (3) | 0.041 (3) | −0.003 (2) | 0.008 (2) | −0.010 (3) |
O127 | 0.0288 (17) | 0.035 (2) | 0.066 (2) | −0.0019 (16) | 0.0172 (16) | 0.0063 (19) |
O125 | 0.0276 (16) | 0.041 (2) | 0.0385 (19) | 0.0041 (16) | 0.0116 (14) | −0.0029 (17) |
C126 | 0.056 (3) | 0.055 (4) | 0.049 (3) | 0.023 (3) | 0.013 (3) | −0.004 (3) |
C221 | 0.042 (5) | 0.097 (8) | 0.046 (5) | −0.030 (5) | 0.005 (4) | −0.034 (5) |
N222 | 0.056 (6) | 0.110 (9) | 0.047 (5) | −0.036 (6) | 0.009 (4) | −0.020 (5) |
N223 | 0.054 (7) | 0.115 (11) | 0.033 (6) | −0.031 (7) | 0.004 (5) | 0.006 (7) |
N224 | 0.075 (9) | 0.101 (11) | 0.040 (7) | −0.015 (8) | −0.001 (6) | 0.009 (8) |
C1—O2 | 1.388 (7) | O116—C115 | 1.411 (7) |
C1—C31 | 1.365 (10) | C115—C114 | 1.545 (8) |
C1—C35 | 1.401 (10) | C115—C118 | 1.548 (11) |
O2—C3 | 1.371 (6) | C115—H1151 | 0.973 |
C3—C4 | 1.542 (8) | C114—C120 | 1.523 (8) |
C3—O30 | 1.202 (7) | C114—C113 | 1.514 (7) |
C4—C5 | 1.525 (7) | C114—O125 | 1.426 (5) |
C4—C8 | 1.540 (8) | C120—O119 | 1.434 (7) |
C4—O28 | 1.416 (6) | C120—H1201 | 0.971 |
C5—O6 | 1.387 (7) | C120—H1202 | 0.960 |
C5—H51 | 0.966 | O119—C118 | 1.461 (11) |
C5—H52 | 0.973 | C118—C121 | 1.519 (8) |
O6—C7 | 1.444 (7) | C118—H1181 | 1.000 |
C7—C8 | 1.507 (7) | C118—C221 | 1.458 (8) |
C7—C11 | 1.512 (8) | C118—H1181 | 1.000 |
C7—H71 | 0.986 | C121—N122 | 1.508 (9) |
C8—O9 | 1.420 (6) | C121—H1211 | 1.000 |
C8—H81 | 0.954 | C121—H1212 | 1.000 |
O9—C10 | 1.429 (8) | N122—N123 | 1.313 (9) |
C10—H101 | 0.959 | N123—N124 | 1.015 (9) |
C10—H102 | 0.968 | C113—N112 | 1.343 (7) |
C10—H103 | 0.962 | C113—O127 | 1.229 (6) |
C11—N12 | 1.471 (8) | N112—C111 | 1.455 (7) |
C11—H111 | 0.979 | N112—H1121 | 0.863 |
C11—H112 | 0.963 | C111—C107 | 1.524 (7) |
N12—C13 | 1.324 (8) | C111—H1111 | 0.971 |
N12—H121 | 0.870 | C111—H1112 | 0.981 |
C13—C14 | 1.538 (9) | C107—O106 | 1.442 (7) |
C13—O27 | 1.245 (7) | C107—C108 | 1.515 (7) |
C14—C15 | 1.559 (8) | C107—H1071 | 0.992 |
C14—C20 | 1.546 (8) | O106—C105 | 1.412 (7) |
C14—O25 | 1.424 (6) | C105—C104 | 1.541 (6) |
C15—O16 | 1.422 (7) | C105—H1051 | 0.979 |
C15—C18 | 1.531 (9) | C105—H1052 | 0.973 |
C15—H151 | 0.983 | C104—C108 | 1.562 (7) |
O16—C17 | 1.374 (9) | C104—C103 | 1.518 (7) |
C17—H171 | 0.980 | C104—O128 | 1.425 (6) |
C17—H172 | 0.969 | C108—O109 | 1.414 (6) |
C17—H173 | 0.972 | C108—H1081 | 0.983 |
C18—O19 | 1.500 (9) | O109—C110 | 1.424 (7) |
C18—C21 | 1.453 (9) | C110—H1101 | 0.963 |
C18—H181 | 0.985 | C110—H1102 | 0.962 |
O19—C20 | 1.397 (8) | C110—H1103 | 0.952 |
C20—H201 | 0.984 | C103—O102 | 1.378 (6) |
C20—H202 | 0.970 | C103—O130 | 1.196 (6) |
C21—N22 | 1.482 (9) | O102—C101 | 1.387 (6) |
C21—H211 | 0.986 | C101—C131 | 1.370 (8) |
C21—H212 | 0.982 | C101—C135 | 1.374 (8) |
N22—N23 | 1.305 (8) | C131—C132 | 1.385 (8) |
N23—N24 | 0.983 (9) | C131—F140 | 1.344 (6) |
O25—C26 | 1.446 (9) | C132—C133 | 1.366 (9) |
C26—H261 | 0.968 | C132—F139 | 1.337 (7) |
C26—H262 | 0.967 | C133—C134 | 1.359 (9) |
C26—H263 | 0.969 | C133—F138 | 1.350 (6) |
O28—C29 | 1.438 (7) | C134—C135 | 1.382 (8) |
C29—H291 | 0.962 | C134—F137 | 1.354 (7) |
C29—H292 | 0.965 | C135—F136 | 1.339 (7) |
C29—H293 | 0.967 | O128—C129 | 1.446 (7) |
C31—C32 | 1.379 (10) | C129—H1291 | 0.958 |
C31—F40 | 1.325 (9) | C129—H1292 | 0.961 |
C32—C33 | 1.388 (14) | C129—H1293 | 0.963 |
C32—F39 | 1.329 (12) | O125—C126 | 1.423 (8) |
C33—C34 | 1.377 (14) | C126—H1261 | 0.963 |
C33—F38 | 1.323 (9) | C126—H1262 | 0.961 |
C34—C35 | 1.356 (10) | C126—H1263 | 0.967 |
C34—F37 | 1.335 (10) | C221—N222 | 1.474 (9) |
C35—F36 | 1.350 (9) | C221—H2211 | 1.000 |
C117—O116 | 1.400 (12) | C221—H2212 | 1.000 |
C117—H1171 | 0.967 | N222—N223 | 1.301 (9) |
C117—H1172 | 0.958 | N223—N224 | 1.014 (9) |
C117—H1173 | 0.967 | ||
O2—C1—C31 | 122.2 (6) | O116—C115—C114 | 110.7 (4) |
O2—C1—C35 | 118.8 (6) | O116—C115—C118 | 109.9 (6) |
C31—C1—C35 | 118.6 (6) | C114—C115—C118 | 101.9 (6) |
C1—O2—C3 | 115.9 (4) | O116—C115—H1151 | 109.7 |
O2—C3—C4 | 110.1 (4) | C114—C115—H1151 | 111.9 |
O2—C3—O30 | 123.3 (5) | C118—C115—H1151 | 112.6 |
C4—C3—O30 | 126.6 (5) | C115—C114—C120 | 100.3 (5) |
C3—C4—C5 | 110.6 (5) | C115—C114—C113 | 114.9 (5) |
C3—C4—C8 | 113.7 (4) | C120—C114—C113 | 113.4 (4) |
C5—C4—C8 | 101.7 (4) | C115—C114—O125 | 102.7 (4) |
C3—C4—O28 | 111.6 (4) | C120—C114—O125 | 112.6 (5) |
C5—C4—O28 | 113.7 (4) | C113—C114—O125 | 111.9 (4) |
C8—C4—O28 | 105.1 (4) | C114—C120—O119 | 104.6 (5) |
C4—C5—O6 | 107.0 (5) | C114—C120—H1201 | 110.3 |
C4—C5—H51 | 109.8 | O119—C120—H1201 | 113.4 |
O6—C5—H51 | 108.3 | C114—C120—H1202 | 110.4 |
C4—C5—H52 | 112.0 | O119—C120—H1202 | 108.6 |
O6—C5—H52 | 110.4 | H1201—C120—H1202 | 109.4 |
H51—C5—H52 | 109.2 | C120—O119—C118 | 108.5 (5) |
C5—O6—C7 | 109.8 (4) | C115—C118—O119 | 106.2 (5) |
O6—C7—C8 | 105.5 (5) | C115—C118—C121 | 122.1 (6) |
O6—C7—C11 | 109.0 (4) | O119—C118—C121 | 95.3 (8) |
C8—C7—C11 | 118.0 (5) | C115—C118—H1181 | 108.0 |
O6—C7—H71 | 107.7 | O119—C118—H1181 | 108.0 |
C8—C7—H71 | 106.3 | C121—C118—H1181 | 115.2 |
C11—C7—H71 | 109.8 | C115—C118—O119 | 106.2 (5) |
C4—C8—C7 | 99.6 (4) | C115—C118—C221 | 106.6 (8) |
C4—C8—O9 | 109.6 (4) | O119—C118—C221 | 127.6 (8) |
C7—C8—O9 | 111.3 (4) | C115—C118—H1181 | 108.0 |
C4—C8—H81 | 112.4 | O119—C118—H1181 | 108.0 |
C7—C8—H81 | 111.1 | C221—C118—H1181 | 99.2 |
O9—C8—H81 | 112.2 | C118—C121—N122 | 115.8 (7) |
C8—O9—C10 | 113.5 (5) | C118—C121—H1211 | 108.7 |
O9—C10—H101 | 110.3 | N122—C121—H1211 | 108.5 |
O9—C10—H102 | 109.3 | C118—C121—H1212 | 106.7 |
H101—C10—H102 | 110.0 | N122—C121—H1212 | 107.5 |
O9—C10—H103 | 108.5 | H1211—C121—H1212 | 109.5 |
H101—C10—H103 | 109.5 | C121—N122—N123 | 118.0 (8) |
H102—C10—H103 | 109.3 | N122—N123—N124 | 175.3 (16) |
C7—C11—N12 | 109.5 (5) | C114—C113—N112 | 115.9 (4) |
C7—C11—H111 | 109.8 | C114—C113—O127 | 121.7 (5) |
N12—C11—H111 | 109.5 | N112—C113—O127 | 122.4 (5) |
C7—C11—H112 | 110.0 | C113—N112—C111 | 120.7 (4) |
N12—C11—H112 | 107.8 | C113—N112—H1121 | 119.7 |
H111—C11—H112 | 110.2 | C111—N112—H1121 | 119.4 |
C11—N12—C13 | 119.1 (4) | N112—C111—C107 | 110.3 (4) |
C11—N12—H121 | 120.7 | N112—C111—H1111 | 109.1 |
C13—N12—H121 | 119.9 | C107—C111—H1111 | 109.4 |
N12—C13—C14 | 118.0 (5) | N112—C111—H1112 | 109.9 |
N12—C13—O27 | 123.1 (6) | C107—C111—H1112 | 107.7 |
C14—C13—O27 | 118.9 (5) | H1111—C111—H1112 | 110.4 |
C13—C14—C15 | 108.7 (4) | C111—C107—O106 | 108.5 (4) |
C13—C14—C20 | 110.6 (5) | C111—C107—C108 | 117.2 (5) |
C15—C14—C20 | 103.8 (5) | O106—C107—C108 | 103.7 (4) |
C13—C14—O25 | 112.2 (4) | C111—C107—H1071 | 109.9 |
C15—C14—O25 | 106.3 (5) | O106—C107—H1071 | 109.5 |
C20—C14—O25 | 114.6 (5) | C108—C107—H1071 | 107.8 |
C14—C15—O16 | 111.1 (5) | C107—O106—C105 | 107.3 (3) |
C14—C15—C18 | 103.0 (5) | O106—C105—C104 | 108.0 (4) |
O16—C15—C18 | 112.6 (5) | O106—C105—H1051 | 110.7 |
C14—C15—H151 | 108.8 | C104—C105—H1051 | 109.6 |
O16—C15—H151 | 109.7 | O106—C105—H1052 | 110.2 |
C18—C15—H151 | 111.4 | C104—C105—H1052 | 109.4 |
C15—O16—C17 | 116.3 (6) | H1051—C105—H1052 | 108.9 |
O16—C17—H171 | 108.8 | C105—C104—C108 | 102.2 (4) |
O16—C17—H172 | 109.2 | C105—C104—C103 | 112.8 (4) |
H171—C17—H172 | 109.7 | C108—C104—C103 | 111.3 (4) |
O16—C17—H173 | 109.4 | C105—C104—O128 | 113.3 (4) |
H171—C17—H173 | 110.6 | C108—C104—O128 | 104.1 (4) |
H172—C17—H173 | 109.1 | C103—C104—O128 | 112.3 (4) |
C15—C18—O19 | 103.8 (5) | C104—C108—C107 | 100.2 (4) |
C15—C18—C21 | 116.4 (6) | C104—C108—O109 | 108.5 (4) |
O19—C18—C21 | 104.4 (6) | C107—C108—O109 | 112.6 (4) |
C15—C18—H181 | 109.7 | C104—C108—H1081 | 112.3 |
O19—C18—H181 | 103.9 | C107—C108—H1081 | 111.6 |
C21—C18—H181 | 116.8 | O109—C108—H1081 | 111.1 |
C18—O19—C20 | 103.4 (5) | C108—O109—C110 | 112.8 (4) |
C14—C20—O19 | 105.2 (5) | O109—C110—H1101 | 108.2 |
C14—C20—H201 | 112.3 | O109—C110—H1102 | 110.3 |
O19—C20—H201 | 110.2 | H1101—C110—H1102 | 109.7 |
C14—C20—H202 | 109.4 | O109—C110—H1103 | 109.9 |
O19—C20—H202 | 110.7 | H1101—C110—H1103 | 108.6 |
H201—C20—H202 | 109.0 | H1102—C110—H1103 | 110.1 |
C18—C21—N22 | 113.0 (6) | C104—C103—O102 | 108.8 (4) |
C18—C21—H211 | 108.8 | C104—C103—O130 | 127.7 (4) |
N22—C21—H211 | 110.2 | O102—C103—O130 | 123.5 (5) |
C18—C21—H212 | 106.9 | C103—O102—C101 | 117.7 (4) |
N22—C21—H212 | 108.2 | O102—C101—C131 | 122.3 (5) |
H211—C21—H212 | 109.7 | O102—C101—C135 | 118.5 (5) |
C21—N22—N23 | 115.5 (6) | C131—C101—C135 | 119.1 (5) |
N22—N23—N24 | 170.6 (8) | C101—C131—C132 | 120.7 (5) |
C14—O25—C26 | 113.6 (5) | C101—C131—F140 | 120.4 (5) |
O25—C26—H261 | 108.5 | C132—C131—F140 | 118.9 (5) |
O25—C26—H262 | 108.8 | C131—C132—C133 | 119.6 (5) |
H261—C26—H262 | 109.5 | C131—C132—F139 | 120.1 (6) |
O25—C26—H263 | 109.7 | C133—C132—F139 | 120.3 (5) |
H261—C26—H263 | 110.5 | C132—C133—C134 | 120.1 (5) |
H262—C26—H263 | 109.8 | C132—C133—F138 | 119.8 (5) |
C4—O28—C29 | 115.7 (4) | C134—C133—F138 | 120.1 (6) |
O28—C29—H291 | 110.5 | C133—C134—C135 | 120.4 (6) |
O28—C29—H292 | 109.7 | C133—C134—F137 | 120.8 (5) |
H291—C29—H292 | 108.3 | C135—C134—F137 | 118.8 (6) |
O28—C29—H293 | 109.8 | C134—C135—C101 | 120.1 (5) |
H291—C29—H293 | 109.7 | C134—C135—F136 | 119.3 (5) |
H292—C29—H293 | 108.9 | C101—C135—F136 | 120.5 (5) |
C1—C31—C32 | 120.6 (8) | C104—O128—C129 | 114.9 (4) |
C1—C31—F40 | 119.8 (6) | O128—C129—H1291 | 108.6 |
C32—C31—F40 | 119.6 (7) | O128—C129—H1292 | 110.8 |
C31—C32—C33 | 120.0 (9) | H1291—C129—H1292 | 110.4 |
C31—C32—F39 | 120.1 (10) | O128—C129—H1293 | 109.1 |
C33—C32—F39 | 119.9 (8) | H1291—C129—H1293 | 109.0 |
C32—C33—C34 | 119.8 (7) | H1292—C129—H1293 | 108.9 |
C32—C33—F38 | 119.8 (10) | C114—O125—C126 | 115.0 (4) |
C34—C33—F38 | 120.5 (9) | O125—C126—H1261 | 109.3 |
C33—C34—C35 | 119.7 (8) | O125—C126—H1262 | 110.3 |
C33—C34—F37 | 121.0 (7) | H1261—C126—H1262 | 108.8 |
C35—C34—F37 | 119.3 (9) | O125—C126—H1263 | 109.1 |
C1—C35—C34 | 121.3 (8) | H1261—C126—H1263 | 109.8 |
C1—C35—F36 | 119.0 (6) | H1262—C126—H1263 | 109.4 |
C34—C35—F36 | 119.6 (7) | C118—C221—N222 | 106.0 (7) |
O116—C117—H1171 | 108.7 | C118—C221—H2211 | 110.6 |
O116—C117—H1172 | 109.8 | N222—C221—H2211 | 110.7 |
H1171—C117—H1172 | 110.1 | C118—C221—H2212 | 109.4 |
O116—C117—H1173 | 108.7 | N222—C221—H2212 | 110.5 |
H1171—C117—H1173 | 109.2 | H2211—C221—H2212 | 109.5 |
H1172—C117—H1173 | 110.4 | C221—N222—N223 | 114.5 (8) |
C117—O116—C115 | 113.9 (7) | N222—N223—N224 | 170.8 (17) |
D—H···A | D—H | H···A | D···A | D—H···A |
C5—H52···O27i | 0.97 | 2.23 | 3.131 (10) | 153 |
C20—H202···N222ii | 0.97 | 2.32 | 3.269 (10) | 167 |
C26—H263···N222ii | 0.97 | 2.51 | 3.214 (10) | 129 |
C29—H293···O27i | 0.97 | 2.49 | 3.278 (10) | 139 |
N12—H121···O128iii | 0.87 | 2.36 | 3.200 (10) | 164 |
C129—H1292···O127i | 0.96 | 2.46 | 3.370 (10) | 158 |
C126—H1261···O27 | 0.96 | 2.47 | 3.202 (10) | 133 |
N112—H1121···O28 | 0.86 | 2.33 | 3.147 (10) | 159 |
Symmetry codes: (i) x, y−1, z; (ii) −x+1/2, y+1/2, −z; (iii) x−1/2, y+1/2, z. |
Experimental details
Crystal data | |
Chemical formula | C22H25F5N4O9 |
Mr | 584.45 |
Crystal system, space group | Monoclinic, C2 |
Temperature (K) | 150 |
a, b, c (Å) | 26.8973 (4), 7.9070 (1), 24.7763 (5) |
β (°) | 102.4436 (6) |
V (Å3) | 5145.56 (15) |
Z | 8 |
Radiation type | Mo Kα |
µ (mm−1) | 0.14 |
Crystal size (mm) | 0.80 × 0.08 × 0.08 |
Data collection | |
Diffractometer | Nonius KappaCCD |
Absorption correction | Multi-scan (DENZO/SCALEPACK; Otwinowski & Minor, 1997) |
Tmin, Tmax | 0.76, 0.99 |
No. of measured, independent and observed [I > 2.0σ(I)] reflections | 17175, 4754, 4160 |
Rint | 0.023 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.057, 0.159, 0.99 |
No. of reflections | 4754 |
No. of parameters | 759 |
No. of restraints | 83 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.90, −0.43 |
Computer programs: COLLECT (Nonius, 2001), DENZO/SCALEPACK (Otwinowski & Minor, 1997), SIR92 (Altomare et al., 1994), CRYSTALS (Betteridge et al., 2003; Cooper et al., 2010), CAMERON (Watkin et al., 1996).
D—H···A | D—H | H···A | D···A | D—H···A |
C5—H52···O27i | 0.97 | 2.23 | 3.131 (10) | 153 |
C20—H202···N222ii | 0.97 | 2.32 | 3.269 (10) | 167 |
C26—H263···N222ii | 0.97 | 2.51 | 3.214 (10) | 129 |
C29—H293···O27i | 0.97 | 2.49 | 3.278 (10) | 139 |
N12—H121···O128iii | 0.87 | 2.36 | 3.200 (10) | 164 |
C129—H1292···O127i | 0.96 | 2.46 | 3.370 (10) | 158 |
C126—H1261···O27 | 0.96 | 2.47 | 3.202 (10) | 133 |
N112—H1121···O28 | 0.86 | 2.33 | 3.147 (10) | 159 |
Symmetry codes: (i) x, y−1, z; (ii) −x+1/2, y+1/2, −z; (iii) x−1/2, y+1/2, z. |
Atoms | Molecule A | Molecule B |
O6—C7—C11—N12 | 71.6 | 104.2 |
C7—C11—N12—C13 | 78.1 | -176.8 |
C11—N12—C13—C14 | -165.8 | -174.1 |
N12—C13—C14—O25 | -18.6 | -155.9 |
Footnotes
‡Alternative affiliation: Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, England.
Acknowledgements
Financial support to MIS provided through the European Community's Human Potential Programme under contract HPRN-CT-2002–00173 is gratefully acknowledged.
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Sugar amino acids (SAAs) have been extensively used in the design of peptidomimetics (Smith & Fleet, 1999; Gibson et al., 2009), cyclodextrin mimics (Mayes, Stetz et al., 2004), and foldamers (Hungerford et al., 2000; Jagadeesh et al., 2009). Foldamers provide increased understanding of the factors which induce secondary structures in proteins (Edwards et al., 2008). Pentafluorophenyl esters have been shown to be particularly useful in the synthesis of homo-oligomers of SAAs (Mayes, Cowley et al., 2004; Mayes, Simon et al., 2004). Hitherto, all SAAs (Risseeuw et al., 2007) used as peptidomimetics contain linear carbon chains. Efficient syntheses of branched sugars by the Ho-crossed aldol condensation (Ho & Wong, 1985; Simone et al., 2005) allows access to carbon-branched SAA scaffolds, such as (1), which may provide monomers for new classes of foldamers.
The key step in the synthesis of the branched SAA precursor (1) is the reaction of formaldehyde with a suitably protected lactol derived from 2,3-O-isopropylidene-L-lyxono-1,4-lactone (Simone et al., 2008). The SAA precursor (1) was converted by standard peptide procedures into the branched dimeric pentafluorophenyl ester (2)- a key intermediate in the synthesis of longer homo-oligomeric carbopeptoids (Simone et al., 2010). The absolute configuration of the dimeric branched pentafluorophenyl ester (2) was determined by the use of 2,3-O-isopropylidene-L-lyxono-1,4-lactone as the starting material (Fig. 1). This structure is epimeric to the dimeric pentafluorophenyl ester with stereochemistry (3R,4R,5R) (Punzo et al., 2006) which was synthesized using D-ribose as starting material.
The title material (2) crystallizes with two molecules in the asymmetric unit (Z'= 2, Fig. 2 and 3), and is twinned (twin law 1,0,0/0,-1,0/-0.397,0,-1; twin ratio 0.939:0.061). The two molecules have substantially different conformations (r.m.s. positional deviations after best-matching = 1.07 Å, r.m.s. torsion angle deviation = 22.3°). However, the local geometries in both are quite normal (r.m.s. bond length deviation = 0.02 Å). The principal differences are in the region O6—C7—C11—N12—C13—C14—O25 (in molecule A, Fig. 2) and the corresponding region O106—C107—C111—N112—C113—C114—O125 (in molecule B, Fig. 3; see Table 2). The especially large deviations for C7—C11—N12—C13 and N12—C13—C14—O25 leads to molecule A being partially folded back on itself so that it is less extended than molecule B (Fig. 4). Molecule B has disorder in the azide that can be modelled as two distinct sites. In both A and B, some of the atoms in the 5-membered rings and adjacent methyl groups show large adp's. This is consistent with the ring fluxion commonly seen in this class of compounds, and cannot really be modelled as split atoms. The non-linearity of the azide group [N22—N23—N24: 170.6 (8)°] and slight alternation in the N adp's are common in this class of structures (Humphreys et al., 2005).
The crystal structure consists of infinite chains with an equivalent hydrogen bond linking molecule A to B as that linking B to the next A (Fig. 5). These chains are stacked side-by-side to form layers (Fig. 6). One face of this layer consists of pentafluorophenyl groups, the other face contains the terminal azide groups. The aromatic face is essentially flat, and opposes the aromatic face of the adjacent layer. The azide face is pleated (as a result of the differing over-all length of the molecules), with the ridges in one layer fitting into the hollows of the next.