organic compounds
16-[(E)-Benzylidene]-2-hydroxy-12,13-diphenyl-1,11-diazapentacyclo[12.3.1.02,10.03,8.010,14]octadeca-3(8),4,6-triene-9,15-dione
aSchool of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia, bInstitute for Research in Molecular Medicine, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia, and cX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
*Correspondence e-mail: hkfun@usm.my
In the title compound, C35H28N2O3, an intramolecular O—H⋯N hydrogen bonds generates a five-membered ring, producing an S(5) ring motif. The piperidone ring adopts a half-chair conformation and the two pyrrolidine rings adopt an The dihedral angles formed between adjacent benzene rings are 74.39 (5) and 37.70 (6)°. In the crystal crystal, intermolecular C—H⋯O hydrogen bonds link molecules into dimers, which are further interconnected into two-dimensional networks parallel to the ac plane by intermolecular C—H⋯O hydrogen bonds. The is consolidated by weak C—H⋯π interactions.
Related literature
For general background to and applications of the title compound, see: Daly et al. (1986); Monlineux & Pelletier (1987); Padwa (1984); Tsuge & Kanemasa (1989); Waldmann (1995). For ring puckering analysis, see: Cremer & Pople (1975). For graph-set descriptions of hydrogen-bond ring motifs, see: Bernstein et al. (1995). For closely related structures, see: Kumar et al. (2010a,b). For the stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009).
Supporting information
https://doi.org/10.1107/S1600536810028345/rz2477sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810028345/rz2477Isup2.hkl
A mixture of 3,5-bis[(E)-phenylmethylidene]tetrahydro-4(1H)- pyridinone (0.100 g, 0.363 mmol), ninhydrin (0.065 g, 0.363 mmol) and phenylglycine (0.055 g, 0.363 mmol) were dissolved in methanol (10 ml) and refluxed for 1 h. After completion of the reaction as evident from TLC, the mixture was poured into water (50 ml). The solid precipitated was filtered and washed with water to afford the product which was recrystallized from ethyl acetate to reveal the title compound as colourless crystals.
Atoms H1N1 and H1O1 were located from a difference Fourier map [N1—H1N1 = 0.904 (15) Å and O1—H1O1 = 0.863 (18) Å] and allowed to refine freely. The remaining H atoms were placed in their calculated positions, with C—H = 0.93–0.97 Å, and refined using a riding model, with Uiso = 1.2 Ueq(C).
The 1,3-dipolar
of with olefinic dipolarophiles offers an excellent route for the construction of pyrrolidines (Tsuge & Kanemasa, 1989; Padwa, 1984). The chemistry of has gained significance in recent years as it serves as an important route for the construction of nitrogen containing five-membered heterocycles, which are often central ring systems of numerous natural products (Daly et al., 1986; Waldmann, 1995). The pyrrolidine moiety is one of the significant core structures among the most extensively studied natural and synthetic with remarkable medicinal activities (Monlineux & Pelletier, 1987).In the title compound (Fig. 1), an intramolecular O1—H1O1···N1 hydrogen bond (Table 1) forms a five-membered ring, generating an S(5) hydrogen bond ring motif (Bernstein et al., 1995). The 4-piperidone ring (N2/C15/C25-C28) adopts a half-chair conformation, with puckering parameters Q = 0.6229 (10) Å, θ = 137.36 (9)° and φ = 236.70 (14)° (Cremer & Pople, 1975). The two fused pyrrolidine rings (N1/C7/C8/C15/C16 and N2/C15/C16/C17/C25) adopt an with atoms C8 and C25 as the flap atoms, respectively. The puckering parameters are Q = 0.4071 (10) Å, φ = 248.43 (14)° for the N1/C7/C8/C15/C16 ring and Q = 0.4468 (10) Å, φ = 151.15 (13)° for the N2/C15/C16/C17/C25 pyrrolidine ring. The dihedral angles formed between benzene rings A/B and C/D are 74.39 (5) and 37.70 (6)°, respectively. The bond lengths and angles are comparable to those observed in closely related structures (Kumar et al., 2010a,b).
In the
(Fig. 2), intermolecular C35—H35A···O3 hydrogen bonds (Table 1) link neighbouring molecules into dimers. Intermolecular C7—H7A···O1 and C10—H10A···O1 hydrogen bonds (Table 1) further interconnect these dimers into two-dimensional networks parallel to the ac plane. The is further stabilized by weak intermolecular C13—H13A···Cg1, C20—H20A···Cg2 and C33—H33A···Cg2 interactions, where Cg1 and Cg2 are the centroids of the C30-C35 and C9-C14 benzene rings, respectively.For general background to and applications of the title compound, see: Daly et al. (1986); Monlineux & Pelletier (1987); Padwa (1984); Tsuge & Kanemasa (1989); Waldmann (1995). For ring puckering analysis, see: Cremer & Pople (1975). For graph-set descriptions of hydrogen-bond ring motifs, see: Bernstein et al. (1995). For closely related structures, see: Kumar et al. (2010a,b). For the stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986).
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. The molecular structure of the title compound, showing 30 % probability displacement ellipsoids for non-H atoms and the atom-numbering scheme. An intramolecular hydrogen bond is shown as dashed line. | |
Fig. 2. The crystal structure of the title compound, viewed down the b axis, showing a two-dimensional hydrogen-bonded network parallel to the ac plane. H atoms not involved in intermolecular hydrogen bonds (dashed lines) have been omitted for clarity. |
C35H28N2O3 | Z = 2 |
Mr = 524.59 | F(000) = 552 |
Triclinic, P1 | Dx = 1.308 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 8.6319 (2) Å | Cell parameters from 9908 reflections |
b = 11.8130 (2) Å | θ = 2.5–33.0° |
c = 14.3562 (3) Å | µ = 0.08 mm−1 |
α = 75.395 (1)° | T = 100 K |
β = 72.876 (1)° | Block, colourless |
γ = 76.185 (1)° | 0.32 × 0.30 × 0.25 mm |
V = 1332.18 (5) Å3 |
Bruker SMART APEXII CCD area-detector diffractometer | 10026 independent reflections |
Radiation source: fine-focus sealed tube | 8085 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.027 |
φ and ω scans | θmax = 33.1°, θmin = 1.5° |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | h = −13→13 |
Tmin = 0.973, Tmax = 0.980 | k = −15→18 |
35745 measured reflections | l = −21→22 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.048 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.136 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.02 | w = 1/[σ2(Fo2) + (0.0752P)2 + 0.3278P] where P = (Fo2 + 2Fc2)/3 |
10026 reflections | (Δ/σ)max < 0.001 |
369 parameters | Δρmax = 0.51 e Å−3 |
0 restraints | Δρmin = −0.24 e Å−3 |
C35H28N2O3 | γ = 76.185 (1)° |
Mr = 524.59 | V = 1332.18 (5) Å3 |
Triclinic, P1 | Z = 2 |
a = 8.6319 (2) Å | Mo Kα radiation |
b = 11.8130 (2) Å | µ = 0.08 mm−1 |
c = 14.3562 (3) Å | T = 100 K |
α = 75.395 (1)° | 0.32 × 0.30 × 0.25 mm |
β = 72.876 (1)° |
Bruker SMART APEXII CCD area-detector diffractometer | 10026 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 8085 reflections with I > 2σ(I) |
Tmin = 0.973, Tmax = 0.980 | Rint = 0.027 |
35745 measured reflections |
R[F2 > 2σ(F2)] = 0.048 | 0 restraints |
wR(F2) = 0.136 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.02 | Δρmax = 0.51 e Å−3 |
10026 reflections | Δρmin = −0.24 e Å−3 |
369 parameters |
Experimental. The crystal was placed in the cold stream of an Oxford Cryosystems Cobra open-flow nitrogen cryostat (Cosier & Glazer, 1986) operating at 100.0 (1)K. |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. |
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > 2sigma(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
x | y | z | Uiso*/Ueq | ||
O1 | 0.37832 (9) | 0.64683 (7) | 0.04084 (5) | 0.01893 (14) | |
O2 | −0.08312 (9) | 0.57843 (7) | 0.29194 (6) | 0.02456 (16) | |
O3 | 0.17358 (9) | 0.37449 (7) | 0.41701 (5) | 0.01996 (15) | |
N1 | 0.15205 (10) | 0.51021 (7) | 0.10911 (6) | 0.01565 (15) | |
N2 | 0.46901 (10) | 0.57415 (7) | 0.18617 (6) | 0.01554 (15) | |
C1 | 0.20254 (13) | 0.27449 (9) | −0.01412 (8) | 0.02146 (19) | |
H1A | 0.3056 | 0.2903 | −0.0519 | 0.026* | |
C2 | 0.12201 (16) | 0.20652 (10) | −0.04456 (10) | 0.0284 (2) | |
H2A | 0.1715 | 0.1772 | −0.1027 | 0.034* | |
C3 | −0.03146 (16) | 0.18240 (10) | 0.01147 (10) | 0.0290 (2) | |
H3A | −0.0834 | 0.1350 | −0.0080 | 0.035* | |
C4 | −0.10753 (14) | 0.22921 (10) | 0.09674 (9) | 0.0264 (2) | |
H4A | −0.2116 | 0.2145 | 0.1336 | 0.032* | |
C5 | −0.02863 (12) | 0.29778 (9) | 0.12704 (8) | 0.02011 (18) | |
H5A | −0.0808 | 0.3299 | 0.1836 | 0.024* | |
C6 | 0.12871 (11) | 0.31887 (8) | 0.07312 (7) | 0.01559 (16) | |
C7 | 0.22380 (11) | 0.38226 (8) | 0.11019 (7) | 0.01398 (16) | |
H7A | 0.3361 | 0.3768 | 0.0674 | 0.017* | |
C8 | 0.23468 (11) | 0.33085 (8) | 0.21896 (7) | 0.01388 (15) | |
H8A | 0.1220 | 0.3279 | 0.2598 | 0.017* | |
C9 | 0.33395 (11) | 0.20676 (8) | 0.23764 (7) | 0.01492 (16) | |
C10 | 0.47150 (12) | 0.16476 (8) | 0.16708 (8) | 0.01862 (18) | |
H10A | 0.5069 | 0.2147 | 0.1067 | 0.022* | |
C11 | 0.55647 (13) | 0.04853 (9) | 0.18631 (9) | 0.0231 (2) | |
H11A | 0.6488 | 0.0219 | 0.1390 | 0.028* | |
C12 | 0.50438 (14) | −0.02770 (9) | 0.27554 (9) | 0.0245 (2) | |
H12A | 0.5611 | −0.1052 | 0.2880 | 0.029* | |
C13 | 0.36703 (14) | 0.01263 (9) | 0.34600 (8) | 0.0241 (2) | |
H13A | 0.3310 | −0.0381 | 0.4058 | 0.029* | |
C14 | 0.28311 (13) | 0.12884 (9) | 0.32735 (8) | 0.01999 (18) | |
H14A | 0.1916 | 0.1552 | 0.3753 | 0.024* | |
C15 | 0.29208 (11) | 0.43124 (8) | 0.24213 (7) | 0.01354 (15) | |
C16 | 0.19664 (11) | 0.54615 (8) | 0.18681 (7) | 0.01378 (15) | |
C17 | 0.32511 (11) | 0.63251 (8) | 0.14526 (7) | 0.01468 (16) | |
C18 | 0.23354 (12) | 0.74740 (8) | 0.17864 (7) | 0.01695 (17) | |
C19 | 0.28408 (14) | 0.85751 (9) | 0.15035 (9) | 0.0227 (2) | |
H19A | 0.3879 | 0.8663 | 0.1091 | 0.027* | |
C20 | 0.17512 (16) | 0.95369 (10) | 0.18545 (10) | 0.0291 (2) | |
H20A | 0.2058 | 1.0281 | 0.1666 | 0.035* | |
C21 | 0.01984 (16) | 0.94031 (11) | 0.24878 (11) | 0.0319 (3) | |
H21A | −0.0508 | 1.0059 | 0.2718 | 0.038* | |
C22 | −0.03022 (14) | 0.83114 (10) | 0.27771 (9) | 0.0261 (2) | |
H22A | −0.1329 | 0.8220 | 0.3204 | 0.031* | |
C23 | 0.07820 (12) | 0.73506 (9) | 0.24084 (7) | 0.01799 (17) | |
C24 | 0.04469 (11) | 0.61565 (8) | 0.24970 (7) | 0.01689 (17) | |
C25 | 0.47371 (11) | 0.44701 (8) | 0.19245 (7) | 0.01582 (16) | |
H25A | 0.5466 | 0.3976 | 0.2328 | 0.019* | |
H25B | 0.5099 | 0.4272 | 0.1269 | 0.019* | |
C26 | 0.45734 (12) | 0.59095 (8) | 0.28658 (7) | 0.01673 (17) | |
H26A | 0.4352 | 0.6756 | 0.2860 | 0.020* | |
H26B | 0.5633 | 0.5584 | 0.3019 | 0.020* | |
C27 | 0.32554 (11) | 0.53394 (8) | 0.36921 (7) | 0.01594 (16) | |
C28 | 0.25652 (11) | 0.43883 (8) | 0.35060 (7) | 0.01509 (16) | |
C29 | 0.25868 (13) | 0.56680 (9) | 0.45800 (7) | 0.01835 (17) | |
H29A | 0.1739 | 0.5284 | 0.4999 | 0.022* | |
C30 | 0.30193 (13) | 0.65502 (9) | 0.49733 (7) | 0.01963 (18) | |
C31 | 0.46073 (14) | 0.68084 (9) | 0.47512 (8) | 0.0221 (2) | |
H31A | 0.5459 | 0.6442 | 0.4295 | 0.027* | |
C32 | 0.49189 (15) | 0.76115 (10) | 0.52097 (9) | 0.0255 (2) | |
H32A | 0.5978 | 0.7772 | 0.5060 | 0.031* | |
C33 | 0.36614 (17) | 0.81721 (10) | 0.58864 (9) | 0.0282 (2) | |
H33A | 0.3873 | 0.8706 | 0.6192 | 0.034* | |
C34 | 0.20874 (18) | 0.79293 (12) | 0.61028 (9) | 0.0321 (3) | |
H34A | 0.1235 | 0.8313 | 0.6548 | 0.039* | |
C35 | 0.17695 (15) | 0.71182 (11) | 0.56616 (8) | 0.0273 (2) | |
H35A | 0.0711 | 0.6951 | 0.5827 | 0.033* | |
H1O1 | 0.306 (2) | 0.6203 (15) | 0.0257 (13) | 0.039 (4)* | |
H1N1 | 0.0415 (18) | 0.5227 (13) | 0.1190 (11) | 0.023 (3)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0219 (3) | 0.0209 (3) | 0.0135 (3) | −0.0075 (3) | −0.0018 (2) | −0.0021 (2) |
O2 | 0.0173 (3) | 0.0246 (4) | 0.0276 (4) | −0.0041 (3) | 0.0013 (3) | −0.0054 (3) |
O3 | 0.0236 (3) | 0.0197 (3) | 0.0165 (3) | −0.0087 (3) | −0.0021 (3) | −0.0024 (3) |
N1 | 0.0182 (3) | 0.0117 (3) | 0.0182 (4) | −0.0011 (3) | −0.0068 (3) | −0.0038 (3) |
N2 | 0.0160 (3) | 0.0140 (3) | 0.0167 (4) | −0.0034 (3) | −0.0031 (3) | −0.0037 (3) |
C1 | 0.0224 (4) | 0.0217 (5) | 0.0223 (5) | 0.0003 (3) | −0.0079 (4) | −0.0090 (4) |
C2 | 0.0363 (6) | 0.0234 (5) | 0.0324 (6) | 0.0040 (4) | −0.0186 (5) | −0.0148 (4) |
C3 | 0.0388 (6) | 0.0173 (4) | 0.0413 (7) | −0.0053 (4) | −0.0270 (5) | −0.0041 (4) |
C4 | 0.0266 (5) | 0.0228 (5) | 0.0340 (6) | −0.0103 (4) | −0.0164 (4) | 0.0027 (4) |
C5 | 0.0192 (4) | 0.0204 (4) | 0.0220 (5) | −0.0056 (3) | −0.0070 (3) | −0.0024 (4) |
C6 | 0.0175 (4) | 0.0125 (4) | 0.0176 (4) | −0.0014 (3) | −0.0065 (3) | −0.0030 (3) |
C7 | 0.0156 (4) | 0.0118 (4) | 0.0147 (4) | −0.0020 (3) | −0.0036 (3) | −0.0035 (3) |
C8 | 0.0154 (4) | 0.0116 (3) | 0.0144 (4) | −0.0025 (3) | −0.0030 (3) | −0.0028 (3) |
C9 | 0.0161 (4) | 0.0115 (4) | 0.0182 (4) | −0.0034 (3) | −0.0056 (3) | −0.0024 (3) |
C10 | 0.0170 (4) | 0.0131 (4) | 0.0237 (5) | −0.0028 (3) | −0.0027 (3) | −0.0026 (3) |
C11 | 0.0181 (4) | 0.0151 (4) | 0.0338 (6) | −0.0006 (3) | −0.0044 (4) | −0.0054 (4) |
C12 | 0.0249 (5) | 0.0130 (4) | 0.0367 (6) | −0.0018 (3) | −0.0139 (4) | −0.0006 (4) |
C13 | 0.0303 (5) | 0.0168 (4) | 0.0248 (5) | −0.0061 (4) | −0.0111 (4) | 0.0034 (4) |
C14 | 0.0244 (4) | 0.0164 (4) | 0.0182 (4) | −0.0046 (3) | −0.0053 (3) | −0.0007 (3) |
C15 | 0.0151 (4) | 0.0114 (3) | 0.0141 (4) | −0.0021 (3) | −0.0033 (3) | −0.0031 (3) |
C16 | 0.0149 (4) | 0.0113 (4) | 0.0145 (4) | −0.0020 (3) | −0.0024 (3) | −0.0030 (3) |
C17 | 0.0165 (4) | 0.0130 (4) | 0.0139 (4) | −0.0037 (3) | −0.0020 (3) | −0.0027 (3) |
C18 | 0.0212 (4) | 0.0129 (4) | 0.0184 (4) | −0.0027 (3) | −0.0076 (3) | −0.0031 (3) |
C19 | 0.0280 (5) | 0.0151 (4) | 0.0281 (5) | −0.0056 (4) | −0.0122 (4) | −0.0023 (4) |
C20 | 0.0376 (6) | 0.0141 (4) | 0.0421 (7) | −0.0027 (4) | −0.0198 (5) | −0.0074 (4) |
C21 | 0.0360 (6) | 0.0198 (5) | 0.0449 (7) | 0.0053 (4) | −0.0162 (5) | −0.0178 (5) |
C22 | 0.0247 (5) | 0.0238 (5) | 0.0315 (6) | 0.0038 (4) | −0.0078 (4) | −0.0149 (4) |
C23 | 0.0203 (4) | 0.0151 (4) | 0.0196 (4) | −0.0001 (3) | −0.0061 (3) | −0.0067 (3) |
C24 | 0.0169 (4) | 0.0158 (4) | 0.0167 (4) | −0.0004 (3) | −0.0035 (3) | −0.0040 (3) |
C25 | 0.0145 (4) | 0.0138 (4) | 0.0186 (4) | −0.0019 (3) | −0.0024 (3) | −0.0047 (3) |
C26 | 0.0170 (4) | 0.0164 (4) | 0.0181 (4) | −0.0048 (3) | −0.0048 (3) | −0.0036 (3) |
C27 | 0.0177 (4) | 0.0150 (4) | 0.0163 (4) | −0.0036 (3) | −0.0057 (3) | −0.0027 (3) |
C28 | 0.0161 (4) | 0.0137 (4) | 0.0157 (4) | −0.0020 (3) | −0.0042 (3) | −0.0037 (3) |
C29 | 0.0236 (4) | 0.0166 (4) | 0.0162 (4) | −0.0060 (3) | −0.0053 (3) | −0.0030 (3) |
C30 | 0.0279 (5) | 0.0175 (4) | 0.0154 (4) | −0.0071 (3) | −0.0066 (3) | −0.0024 (3) |
C31 | 0.0258 (5) | 0.0205 (4) | 0.0238 (5) | −0.0030 (4) | −0.0134 (4) | −0.0033 (4) |
C32 | 0.0321 (5) | 0.0220 (5) | 0.0288 (5) | −0.0077 (4) | −0.0184 (4) | −0.0005 (4) |
C33 | 0.0472 (7) | 0.0222 (5) | 0.0221 (5) | −0.0146 (5) | −0.0132 (5) | −0.0032 (4) |
C34 | 0.0446 (7) | 0.0310 (6) | 0.0240 (5) | −0.0169 (5) | 0.0017 (5) | −0.0137 (5) |
C35 | 0.0323 (5) | 0.0302 (6) | 0.0218 (5) | −0.0150 (4) | 0.0031 (4) | −0.0121 (4) |
O1—C17 | 1.4109 (11) | C15—C28 | 1.5175 (13) |
O1—H1O1 | 0.863 (18) | C15—C25 | 1.5542 (13) |
O2—C24 | 1.2171 (12) | C15—C16 | 1.5683 (12) |
O3—C28 | 1.2214 (11) | C16—C24 | 1.5401 (13) |
N1—C16 | 1.4636 (12) | C16—C17 | 1.5717 (13) |
N1—C7 | 1.4883 (12) | C17—C18 | 1.5129 (13) |
N1—H1N1 | 0.904 (15) | C18—C23 | 1.3926 (14) |
N2—C25 | 1.4731 (12) | C18—C19 | 1.3955 (14) |
N2—C26 | 1.4754 (13) | C19—C20 | 1.3887 (16) |
N2—C17 | 1.4763 (12) | C19—H19A | 0.9300 |
C1—C2 | 1.3933 (16) | C20—C21 | 1.3998 (19) |
C1—C6 | 1.3969 (14) | C20—H20A | 0.9300 |
C1—H1A | 0.9300 | C21—C22 | 1.3829 (17) |
C2—C3 | 1.3857 (19) | C21—H21A | 0.9300 |
C2—H2A | 0.9300 | C22—C23 | 1.3958 (14) |
C3—C4 | 1.3892 (19) | C22—H22A | 0.9300 |
C3—H3A | 0.9300 | C23—C24 | 1.4738 (14) |
C4—C5 | 1.3874 (15) | C25—H25A | 0.9700 |
C4—H4A | 0.9300 | C25—H25B | 0.9700 |
C5—C6 | 1.3968 (14) | C26—C27 | 1.5242 (13) |
C5—H5A | 0.9300 | C26—H26A | 0.9700 |
C6—C7 | 1.5064 (13) | C26—H26B | 0.9700 |
C7—C8 | 1.5482 (13) | C27—C29 | 1.3483 (14) |
C7—H7A | 0.9800 | C27—C28 | 1.5012 (13) |
C8—C9 | 1.5140 (12) | C29—C30 | 1.4666 (14) |
C8—C15 | 1.5295 (13) | C29—H29A | 0.9300 |
C8—H8A | 0.9800 | C30—C35 | 1.3970 (15) |
C9—C10 | 1.3949 (13) | C30—C31 | 1.4025 (15) |
C9—C14 | 1.4002 (13) | C31—C32 | 1.3953 (15) |
C10—C11 | 1.3952 (13) | C31—H31A | 0.9300 |
C10—H10A | 0.9300 | C32—C33 | 1.3859 (18) |
C11—C12 | 1.3880 (16) | C32—H32A | 0.9300 |
C11—H11A | 0.9300 | C33—C34 | 1.3847 (18) |
C12—C13 | 1.3867 (17) | C33—H33A | 0.9300 |
C12—H12A | 0.9300 | C34—C35 | 1.3886 (16) |
C13—C14 | 1.3911 (14) | C34—H34A | 0.9300 |
C13—H13A | 0.9300 | C35—H35A | 0.9300 |
C14—H14A | 0.9300 | ||
C17—O1—H1O1 | 103.4 (11) | O1—C17—N2 | 107.75 (7) |
C16—N1—C7 | 108.20 (7) | O1—C17—C18 | 112.40 (8) |
C16—N1—H1N1 | 110.8 (9) | N2—C17—C18 | 115.09 (8) |
C7—N1—H1N1 | 110.8 (9) | O1—C17—C16 | 109.81 (7) |
C25—N2—C26 | 107.71 (7) | N2—C17—C16 | 106.84 (7) |
C25—N2—C17 | 102.98 (7) | C18—C17—C16 | 104.70 (7) |
C26—N2—C17 | 115.82 (7) | C23—C18—C19 | 120.49 (9) |
C2—C1—C6 | 120.09 (10) | C23—C18—C17 | 111.55 (8) |
C2—C1—H1A | 120.0 | C19—C18—C17 | 127.87 (9) |
C6—C1—H1A | 120.0 | C20—C19—C18 | 118.18 (11) |
C3—C2—C1 | 120.29 (11) | C20—C19—H19A | 120.9 |
C3—C2—H2A | 119.9 | C18—C19—H19A | 120.9 |
C1—C2—H2A | 119.9 | C19—C20—C21 | 120.99 (11) |
C2—C3—C4 | 119.84 (10) | C19—C20—H20A | 119.5 |
C2—C3—H3A | 120.1 | C21—C20—H20A | 119.5 |
C4—C3—H3A | 120.1 | C22—C21—C20 | 121.03 (10) |
C5—C4—C3 | 120.16 (11) | C22—C21—H21A | 119.5 |
C5—C4—H4A | 119.9 | C20—C21—H21A | 119.5 |
C3—C4—H4A | 119.9 | C21—C22—C23 | 117.91 (11) |
C4—C5—C6 | 120.41 (10) | C21—C22—H22A | 121.0 |
C4—C5—H5A | 119.8 | C23—C22—H22A | 121.0 |
C6—C5—H5A | 119.8 | C18—C23—C22 | 121.38 (10) |
C5—C6—C1 | 119.14 (9) | C18—C23—C24 | 110.55 (8) |
C5—C6—C7 | 121.33 (9) | C22—C23—C24 | 127.71 (10) |
C1—C6—C7 | 119.45 (9) | O2—C24—C23 | 127.65 (9) |
N1—C7—C6 | 113.67 (7) | O2—C24—C16 | 124.17 (9) |
N1—C7—C8 | 104.17 (7) | C23—C24—C16 | 107.95 (8) |
C6—C7—C8 | 114.21 (7) | N2—C25—C15 | 103.48 (7) |
N1—C7—H7A | 108.2 | N2—C25—H25A | 111.1 |
C6—C7—H7A | 108.2 | C15—C25—H25A | 111.1 |
C8—C7—H7A | 108.2 | N2—C25—H25B | 111.1 |
C9—C8—C15 | 117.66 (7) | C15—C25—H25B | 111.1 |
C9—C8—C7 | 115.68 (7) | H25A—C25—H25B | 109.0 |
C15—C8—C7 | 101.04 (7) | N2—C26—C27 | 114.98 (8) |
C9—C8—H8A | 107.3 | N2—C26—H26A | 108.5 |
C15—C8—H8A | 107.3 | C27—C26—H26A | 108.5 |
C7—C8—H8A | 107.3 | N2—C26—H26B | 108.5 |
C10—C9—C14 | 118.20 (9) | C27—C26—H26B | 108.5 |
C10—C9—C8 | 122.50 (8) | H26A—C26—H26B | 107.5 |
C14—C9—C8 | 119.25 (8) | C29—C27—C28 | 116.36 (9) |
C9—C10—C11 | 120.58 (9) | C29—C27—C26 | 124.55 (9) |
C9—C10—H10A | 119.7 | C28—C27—C26 | 119.00 (8) |
C11—C10—H10A | 119.7 | O3—C28—C27 | 122.90 (9) |
C12—C11—C10 | 120.53 (10) | O3—C28—C15 | 122.12 (9) |
C12—C11—H11A | 119.7 | C27—C28—C15 | 114.94 (8) |
C10—C11—H11A | 119.7 | C27—C29—C30 | 128.62 (9) |
C13—C12—C11 | 119.47 (9) | C27—C29—H29A | 115.7 |
C13—C12—H12A | 120.3 | C30—C29—H29A | 115.7 |
C11—C12—H12A | 120.3 | C35—C30—C31 | 118.20 (10) |
C12—C13—C14 | 120.07 (10) | C35—C30—C29 | 117.01 (9) |
C12—C13—H13A | 120.0 | C31—C30—C29 | 124.68 (10) |
C14—C13—H13A | 120.0 | C32—C31—C30 | 120.50 (10) |
C13—C14—C9 | 121.14 (10) | C32—C31—H31A | 119.8 |
C13—C14—H14A | 119.4 | C30—C31—H31A | 119.8 |
C9—C14—H14A | 119.4 | C33—C32—C31 | 120.49 (11) |
C28—C15—C8 | 117.35 (7) | C33—C32—H32A | 119.8 |
C28—C15—C25 | 107.65 (7) | C31—C32—H32A | 119.8 |
C8—C15—C25 | 116.98 (7) | C34—C33—C32 | 119.32 (10) |
C28—C15—C16 | 108.88 (7) | C34—C33—H33A | 120.3 |
C8—C15—C16 | 103.12 (7) | C32—C33—H33A | 120.3 |
C25—C15—C16 | 101.25 (7) | C33—C34—C35 | 120.63 (11) |
N1—C16—C24 | 110.58 (7) | C33—C34—H34A | 119.7 |
N1—C16—C15 | 106.43 (7) | C35—C34—H34A | 119.7 |
C24—C16—C15 | 117.72 (7) | C34—C35—C30 | 120.84 (11) |
N1—C16—C17 | 113.59 (7) | C34—C35—H35A | 119.6 |
C24—C16—C17 | 104.93 (7) | C30—C35—H35A | 119.6 |
C15—C16—C17 | 103.62 (7) | ||
C6—C1—C2—C3 | −0.08 (16) | C24—C16—C17—C18 | −5.11 (9) |
C1—C2—C3—C4 | 1.96 (17) | C15—C16—C17—C18 | −129.17 (7) |
C2—C3—C4—C5 | −1.43 (16) | O1—C17—C18—C23 | 124.98 (9) |
C3—C4—C5—C6 | −0.98 (16) | N2—C17—C18—C23 | −111.16 (9) |
C4—C5—C6—C1 | 2.83 (14) | C16—C17—C18—C23 | 5.82 (10) |
C4—C5—C6—C7 | −173.65 (9) | O1—C17—C18—C19 | −51.54 (13) |
C2—C1—C6—C5 | −2.30 (15) | N2—C17—C18—C19 | 72.33 (13) |
C2—C1—C6—C7 | 174.25 (9) | C16—C17—C18—C19 | −170.69 (10) |
C16—N1—C7—C6 | 152.42 (8) | C23—C18—C19—C20 | −0.35 (15) |
C16—N1—C7—C8 | 27.49 (9) | C17—C18—C19—C20 | 175.89 (10) |
C5—C6—C7—N1 | −68.57 (11) | C18—C19—C20—C21 | 1.03 (17) |
C1—C6—C7—N1 | 114.96 (10) | C19—C20—C21—C22 | −0.48 (19) |
C5—C6—C7—C8 | 50.78 (11) | C20—C21—C22—C23 | −0.74 (18) |
C1—C6—C7—C8 | −125.69 (9) | C19—C18—C23—C22 | −0.89 (15) |
N1—C7—C8—C9 | −168.61 (7) | C17—C18—C23—C22 | −177.70 (9) |
C6—C7—C8—C9 | 66.82 (10) | C19—C18—C23—C24 | 172.68 (9) |
N1—C7—C8—C15 | −40.39 (8) | C17—C18—C23—C24 | −4.13 (11) |
C6—C7—C8—C15 | −164.96 (7) | C21—C22—C23—C18 | 1.42 (17) |
C15—C8—C9—C10 | −86.52 (11) | C21—C22—C23—C24 | −170.96 (11) |
C7—C8—C9—C10 | 32.95 (12) | C18—C23—C24—O2 | −174.10 (10) |
C15—C8—C9—C14 | 96.07 (11) | C22—C23—C24—O2 | −1.04 (18) |
C7—C8—C9—C14 | −144.46 (9) | C18—C23—C24—C16 | 0.55 (11) |
C14—C9—C10—C11 | −0.64 (15) | C22—C23—C24—C16 | 173.61 (10) |
C8—C9—C10—C11 | −178.07 (9) | N1—C16—C24—O2 | 55.00 (12) |
C9—C10—C11—C12 | 0.76 (16) | C15—C16—C24—O2 | −67.59 (13) |
C10—C11—C12—C13 | −0.23 (17) | C17—C16—C24—O2 | 177.86 (9) |
C11—C12—C13—C14 | −0.40 (17) | N1—C16—C24—C23 | −119.88 (8) |
C12—C13—C14—C9 | 0.51 (17) | C15—C16—C24—C23 | 117.52 (9) |
C10—C9—C14—C13 | 0.01 (15) | C17—C16—C24—C23 | 2.98 (10) |
C8—C9—C14—C13 | 177.53 (9) | C26—N2—C25—C15 | 75.74 (9) |
C9—C8—C15—C28 | −75.97 (10) | C17—N2—C25—C15 | −47.14 (9) |
C7—C8—C15—C28 | 157.10 (7) | C28—C15—C25—N2 | −72.26 (9) |
C9—C8—C15—C25 | 54.29 (11) | C8—C15—C25—N2 | 153.07 (8) |
C7—C8—C15—C25 | −72.63 (9) | C16—C15—C25—N2 | 41.91 (9) |
C9—C8—C15—C16 | 164.38 (7) | C25—N2—C26—C27 | −48.63 (10) |
C7—C8—C15—C16 | 37.46 (8) | C17—N2—C26—C27 | 65.98 (10) |
C7—N1—C16—C24 | −132.42 (8) | N2—C26—C27—C29 | −158.49 (9) |
C7—N1—C16—C15 | −3.45 (9) | N2—C26—C27—C28 | 18.05 (12) |
C7—N1—C16—C17 | 109.92 (8) | C29—C27—C28—O3 | −16.55 (14) |
C28—C15—C16—N1 | −147.40 (7) | C26—C27—C28—O3 | 166.63 (9) |
C8—C15—C16—N1 | −22.08 (9) | C29—C27—C28—C15 | 161.28 (8) |
C25—C15—C16—N1 | 99.34 (8) | C26—C27—C28—C15 | −15.54 (12) |
C28—C15—C16—C24 | −22.72 (11) | C8—C15—C28—O3 | −6.06 (13) |
C8—C15—C16—C24 | 102.61 (9) | C25—C15—C28—O3 | −140.53 (9) |
C25—C15—C16—C24 | −135.97 (8) | C16—C15—C28—O3 | 110.49 (10) |
C28—C15—C16—C17 | 92.55 (8) | C8—C15—C28—C27 | 176.10 (7) |
C8—C15—C16—C17 | −142.13 (7) | C25—C15—C28—C27 | 41.63 (10) |
C25—C15—C16—C17 | −20.70 (8) | C16—C15—C28—C27 | −67.36 (9) |
C25—N2—C17—O1 | −84.81 (8) | C28—C27—C29—C30 | 178.98 (9) |
C26—N2—C17—O1 | 157.91 (7) | C26—C27—C29—C30 | −4.39 (16) |
C25—N2—C17—C18 | 148.90 (8) | C27—C29—C30—C35 | 151.84 (11) |
C26—N2—C17—C18 | 31.62 (11) | C27—C29—C30—C31 | −32.02 (17) |
C25—N2—C17—C16 | 33.14 (9) | C35—C30—C31—C32 | 0.05 (15) |
C26—N2—C17—C16 | −84.14 (9) | C29—C30—C31—C32 | −176.05 (9) |
N1—C16—C17—O1 | −5.11 (10) | C30—C31—C32—C33 | −0.44 (16) |
C24—C16—C17—O1 | −126.00 (8) | C31—C32—C33—C34 | −0.13 (17) |
C15—C16—C17—O1 | 109.94 (8) | C32—C33—C34—C35 | 1.09 (19) |
N1—C16—C17—N2 | −121.70 (8) | C33—C34—C35—C30 | −1.5 (2) |
C24—C16—C17—N2 | 117.40 (8) | C31—C30—C35—C34 | 0.91 (17) |
C15—C16—C17—N2 | −6.65 (9) | C29—C30—C35—C34 | 177.31 (11) |
N1—C16—C17—C18 | 115.78 (8) |
Cg1 and Cg2 are the centroids of the C30–C35 and C9–C14 benzene rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1O1···N1 | 0.862 (18) | 1.999 (18) | 2.6383 (12) | 130.2 (15) |
C7—H7A···O1i | 0.98 | 2.49 | 3.4701 (13) | 177 |
C10—H10A···O1i | 0.93 | 2.44 | 3.3605 (13) | 173 |
C35—H35A···O3ii | 0.93 | 2.44 | 3.3424 (16) | 163 |
C13—H13A···Cg1iii | 0.93 | 2.89 | 3.7470 (12) | 155 |
C20—H20A···Cg2iv | 0.93 | 2.84 | 3.4275 (15) | 122 |
C33—H33A···Cg2v | 0.93 | 2.96 | 3.7723 (15) | 147 |
Symmetry codes: (i) −x+1, −y+1, −z; (ii) −x, −y+1, −z+1; (iii) x, y−1, z; (iv) x, y+1, z; (v) −x+1, −y+1, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C35H28N2O3 |
Mr | 524.59 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 100 |
a, b, c (Å) | 8.6319 (2), 11.8130 (2), 14.3562 (3) |
α, β, γ (°) | 75.395 (1), 72.876 (1), 76.185 (1) |
V (Å3) | 1332.18 (5) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.08 |
Crystal size (mm) | 0.32 × 0.30 × 0.25 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2009) |
Tmin, Tmax | 0.973, 0.980 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 35745, 10026, 8085 |
Rint | 0.027 |
(sin θ/λ)max (Å−1) | 0.768 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.048, 0.136, 1.02 |
No. of reflections | 10026 |
No. of parameters | 369 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.51, −0.24 |
Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).
Cg1 and Cg2 are the centroids of the C30–C35 and C9–C14 benzene rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1O1···N1 | 0.862 (18) | 1.999 (18) | 2.6383 (12) | 130.2 (15) |
C7—H7A···O1i | 0.9800 | 2.4900 | 3.4701 (13) | 177.00 |
C10—H10A···O1i | 0.9300 | 2.4400 | 3.3605 (13) | 173.00 |
C35—H35A···O3ii | 0.9300 | 2.4400 | 3.3424 (16) | 163.00 |
C13—H13A···Cg1iii | 0.9300 | 2.89 | 3.7470 (12) | 155 |
C20—H20A···Cg2iv | 0.9300 | 2.84 | 3.4275 (15) | 122 |
C33—H33A···Cg2v | 0.9300 | 2.96 | 3.7723 (15) | 147 |
Symmetry codes: (i) −x+1, −y+1, −z; (ii) −x, −y+1, −z+1; (iii) x, y−1, z; (iv) x, y+1, z; (v) −x+1, −y+1, −z+1. |
Acknowledgements
The synthetic chemistry work was funded by Universiti Sains Malaysia (USM) under the University Research Grant (No. 1001/PKIMIA/811016). HKF and JHG thank USM for the Research University Golden Goose Grant (No. 1001/PFIZIK/811012). RSK thanks USM for the award of a post doctoral fellowship and JHG also thanks USM for the award of a USM fellowship.
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.
The 1,3-dipolar cycloaddition of azomethine ylides with olefinic dipolarophiles offers an excellent route for the construction of pyrrolidines (Tsuge & Kanemasa, 1989; Padwa, 1984). The chemistry of azomethine ylides has gained significance in recent years as it serves as an important route for the construction of nitrogen containing five-membered heterocycles, which are often central ring systems of numerous natural products (Daly et al., 1986; Waldmann, 1995). The pyrrolidine moiety is one of the significant core structures among the most extensively studied natural and synthetic heterocyclic compounds with remarkable medicinal activities (Monlineux & Pelletier, 1987).
In the title compound (Fig. 1), an intramolecular O1—H1O1···N1 hydrogen bond (Table 1) forms a five-membered ring, generating an S(5) hydrogen bond ring motif (Bernstein et al., 1995). The 4-piperidone ring (N2/C15/C25-C28) adopts a half-chair conformation, with puckering parameters Q = 0.6229 (10) Å, θ = 137.36 (9)° and φ = 236.70 (14)° (Cremer & Pople, 1975). The two fused pyrrolidine rings (N1/C7/C8/C15/C16 and N2/C15/C16/C17/C25) adopt an envelope conformation, with atoms C8 and C25 as the flap atoms, respectively. The puckering parameters are Q = 0.4071 (10) Å, φ = 248.43 (14)° for the N1/C7/C8/C15/C16 ring and Q = 0.4468 (10) Å, φ = 151.15 (13)° for the N2/C15/C16/C17/C25 pyrrolidine ring. The dihedral angles formed between benzene rings A/B and C/D are 74.39 (5) and 37.70 (6)°, respectively. The bond lengths and angles are comparable to those observed in closely related structures (Kumar et al., 2010a,b).
In the crystal structure (Fig. 2), intermolecular C35—H35A···O3 hydrogen bonds (Table 1) link neighbouring molecules into dimers. Intermolecular C7—H7A···O1 and C10—H10A···O1 hydrogen bonds (Table 1) further interconnect these dimers into two-dimensional networks parallel to the ac plane. The crystal structure is further stabilized by weak intermolecular C13—H13A···Cg1, C20—H20A···Cg2 and C33—H33A···Cg2 interactions, where Cg1 and Cg2 are the centroids of the C30-C35 and C9-C14 benzene rings, respectively.