organic compounds
Disopropyl {[(2S,3S)-2-amino-3-methylpentanamido](phenyl)methyl}phosphinate
aDepartment of Chemistry, Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China, bThe Third Institute of Oceanography of the State Oceanic Administration, Xiamen 361005, People's Republic of China, and cDepartment of Pharmaceutical Science, Medical College, Xiamen University, Xiamen 361005, People's Republic of China
*Correspondence e-mail: fangmj@xmu.edu.cn
There are two independent molecules in the 19H33N2O4P. In the crystal, the two independent molecules are linked via N—H⋯O=P hydrogen bonds, forming dimers.
of the title compound, CRelated literature
For the biological activity of phosphono-peptides, see: Li et al. (1999); Liu et al. (2002); Wang et al. (2001); Senten et al. (2003); Joossens & Van der Veken (2004).
Experimental
Crystal data
|
Data collection: SMART (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Farrugia, 1997) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97.
Supporting information
https://doi.org/10.1107/S1600536810051354/su2222sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810051354/su2222Isup2.hkl
To a solution of the starting material, tert-butyl (2S,3S)-1-((isopropoxy(isopropyl)phosphoryl)(phenyl)methylamino) -3-methyl-1-oxopentan-2-ylcarbamate, (1 in scheme), (1 mmol) in dichloromethane (CH2Cl2) (10 ml) at 273 K was added trifluoroacetic acid (TFA) (4 ml). After consumption of the starting material (2h), the solvent was then removed under reduced pressure to give a residue, which was extracted with CH2Cl2 (3 × 15 ml). The organic phase was dried over anhydrous MgSO4 and concentrated under vacuum to obtain a slurry residue, which was purified by silica gel
(petroleum ether/isopropyl alcohol = 35:1) to give the title compound as a colorless amorphous solid. Single crystals of the title compound, suitable for X-ray were obtained by slow evaporation of a CH2Cl2 solution.All H atoms were placed in geometrically idealized positions and treated as riding on their parent atoms, with C—H = 0.93 (aromatic), 0.96 (CH3), 0.97 (CH2) and 0.98 (CH), N—H = 0.86 Å with Uiso(H) = k × Ueq(C or N), where k = 1.5 for methyl and amine H-atoms and 1.2 for all other H-atoms.
In recent years phosphono-peptides have stimulated a great deal of interest due to their considerable biological activities, including antigrowth (Li et al., 1999), antitumoral (Liu et al., 2002), antiviral (Wang et al., 2001), and inhibiton of serine protease effects (Senten et al., 2003 and Joossens et al., 2004).
The title compound crystallized with two independent chiral molecules (A and B) in the
(Fig. 1). They differ only in the of atom C7 (molecule A) and C7' (molecule B).In the crystal the two independent molecules are linked via N—H···O=P hydrogen bonds, involving the amide unit and a phosphoryl O atom, to form dimers (Table 1).
For the biological activity of phosphono-peptides, see: Li et al. (1999); Liu et al. (2002); Wang et al. (2001); Senten et al. (2003); Joossens & Van der Veken (2004).
Data collection: SMART (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Farrugia, 1997) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).C19H33N2O4P | F(000) = 832 |
Mr = 384.44 | Dx = 1.186 Mg m−3 |
Monoclinic, P21 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2yb | Cell parameters from 2328 reflections |
a = 9.3455 (3) Å | θ = 2.2–27.4° |
b = 23.6079 (6) Å | µ = 0.15 mm−1 |
c = 10.0517 (4) Å | T = 293 K |
β = 103.819 (4)° | Block, colourless |
V = 2153.49 (12) Å3 | 0.37 × 0.22 × 0.18 mm |
Z = 4 |
Bruker APEX area-detector diffractometer | 6100 independent reflections |
Radiation source: fine-focus sealed tube | 4077 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.028 |
φ and ω scans | θmax = 25.0°, θmin = 2.2° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −11→10 |
Tmin = 0.946, Tmax = 0.973 | k = −28→27 |
7721 measured reflections | l = −10→11 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.043 | H-atom parameters constrained |
wR(F2) = 0.068 | w = 1/[σ2(Fo2) + (0.0212P)2] where P = (Fo2 + 2Fc2)/3 |
S = 0.82 | (Δ/σ)max < 0.001 |
6100 reflections | Δρmax = 0.25 e Å−3 |
469 parameters | Δρmin = −0.21 e Å−3 |
1 restraint | Absolute structure: Flack (1983), 2215 Friedel pairs |
Primary atom site location: structure-invariant direct methods | Absolute structure parameter: −0.04 (8) |
C19H33N2O4P | V = 2153.49 (12) Å3 |
Mr = 384.44 | Z = 4 |
Monoclinic, P21 | Mo Kα radiation |
a = 9.3455 (3) Å | µ = 0.15 mm−1 |
b = 23.6079 (6) Å | T = 293 K |
c = 10.0517 (4) Å | 0.37 × 0.22 × 0.18 mm |
β = 103.819 (4)° |
Bruker APEX area-detector diffractometer | 6100 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 4077 reflections with I > 2σ(I) |
Tmin = 0.946, Tmax = 0.973 | Rint = 0.028 |
7721 measured reflections |
R[F2 > 2σ(F2)] = 0.043 | H-atom parameters constrained |
wR(F2) = 0.068 | Δρmax = 0.25 e Å−3 |
S = 0.82 | Δρmin = −0.21 e Å−3 |
6100 reflections | Absolute structure: Flack (1983), 2215 Friedel pairs |
469 parameters | Absolute structure parameter: −0.04 (8) |
1 restraint |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s 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 > σ(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 | ||
P1 | 0.54488 (9) | 0.12742 (4) | 0.41034 (10) | 0.0250 (2) | |
P1' | 0.76424 (10) | 0.71698 (4) | 0.26570 (11) | 0.0290 (2) | |
O3 | 0.5955 (2) | 0.07253 (9) | 0.3476 (3) | 0.0301 (6) | |
O3' | 0.8151 (2) | 0.77426 (9) | 0.2128 (3) | 0.0332 (6) | |
O2 | 0.5256 (2) | 0.12060 (9) | 0.5501 (2) | 0.0283 (6) | |
O2' | 0.7782 (2) | 0.71540 (10) | 0.4143 (2) | 0.0348 (6) | |
N1 | 0.3215 (3) | 0.20195 (10) | 0.3342 (3) | 0.0265 (7) | |
H1A | 0.2822 | 0.2011 | 0.4033 | 0.032* | |
O4 | 0.6659 (2) | 0.17261 (9) | 0.4084 (2) | 0.0284 (6) | |
O1 | 0.3933 (3) | 0.25766 (9) | 0.1783 (3) | 0.0411 (7) | |
O4' | 0.8531 (2) | 0.67185 (9) | 0.2055 (3) | 0.0318 (6) | |
N1' | 0.5259 (3) | 0.64986 (10) | 0.1920 (3) | 0.0285 (8) | |
H1'A | 0.5203 | 0.6421 | 0.2742 | 0.034* | |
C7' | 0.5793 (3) | 0.70512 (12) | 0.1630 (4) | 0.0266 (9) | |
H7'A | 0.5834 | 0.7056 | 0.0665 | 0.032* | |
C1' | 0.4849 (4) | 0.61045 (15) | 0.0934 (4) | 0.0314 (9) | |
C7 | 0.3786 (3) | 0.14968 (12) | 0.2894 (4) | 0.0234 (9) | |
H7A | 0.4048 | 0.1578 | 0.2026 | 0.028* | |
O1' | 0.4953 (3) | 0.61820 (11) | −0.0246 (3) | 0.0452 (7) | |
C8' | 0.4764 (3) | 0.75257 (14) | 0.1842 (4) | 0.0253 (9) | |
C14' | 0.8065 (4) | 0.82932 (15) | 0.2768 (4) | 0.0371 (10) | |
H14A | 0.7221 | 0.8299 | 0.3189 | 0.045* | |
C8 | 0.2625 (4) | 0.10308 (13) | 0.2619 (4) | 0.0261 (9) | |
C2 | 0.2534 (4) | 0.30147 (13) | 0.3222 (4) | 0.0336 (10) | |
H2A | 0.1866 | 0.2859 | 0.3748 | 0.040* | |
C3 | 0.1619 (3) | 0.33578 (13) | 0.2048 (4) | 0.0277 (9) | |
H3A | 0.2298 | 0.3545 | 0.1581 | 0.033* | |
C3' | 0.5447 (4) | 0.50929 (14) | 0.1574 (4) | 0.0384 (11) | |
H3'A | 0.5721 | 0.5035 | 0.0702 | 0.046* | |
C1 | 0.3288 (4) | 0.25194 (15) | 0.2697 (4) | 0.0298 (9) | |
C9' | 0.4235 (4) | 0.75559 (14) | 0.3020 (4) | 0.0341 (10) | |
H9'A | 0.4504 | 0.7280 | 0.3694 | 0.041* | |
C2' | 0.4246 (4) | 0.55510 (14) | 0.1336 (4) | 0.0342 (10) | |
H2'A | 0.3939 | 0.5609 | 0.2193 | 0.041* | |
C14 | 0.5785 (4) | 0.01592 (14) | 0.3957 (5) | 0.0405 (11) | |
H14B | 0.5159 | 0.0171 | 0.4612 | 0.049* | |
C9 | 0.2107 (4) | 0.08209 (15) | 0.1318 (5) | 0.0458 (11) | |
H9A | 0.2456 | 0.0966 | 0.0595 | 0.055* | |
C12' | 0.3435 (4) | 0.83763 (18) | 0.1064 (5) | 0.0591 (13) | |
H12A | 0.3152 | 0.8653 | 0.0394 | 0.071* | |
N2 | 0.3607 (3) | 0.33692 (12) | 0.4136 (4) | 0.0514 (9) | |
H2B | 0.3655 | 0.3725 | 0.3969 | 0.062* | |
H2C | 0.4194 | 0.3223 | 0.4844 | 0.062* | |
C5 | 0.0744 (4) | 0.38135 (14) | 0.2554 (4) | 0.0449 (11) | |
H5A | 0.1355 | 0.3985 | 0.3372 | 0.054* | |
H5B | −0.0098 | 0.3641 | 0.2804 | 0.054* | |
N2' | 0.2973 (3) | 0.53769 (12) | 0.0285 (4) | 0.0572 (11) | |
H2'B | 0.2672 | 0.5582 | −0.0435 | 0.069* | |
H2'C | 0.2519 | 0.5068 | 0.0380 | 0.069* | |
C5' | 0.4878 (5) | 0.45359 (15) | 0.1966 (5) | 0.0617 (14) | |
H5'A | 0.4002 | 0.4435 | 0.1272 | 0.074* | |
H5'B | 0.4588 | 0.4586 | 0.2822 | 0.074* | |
C10' | 0.3322 (4) | 0.79868 (15) | 0.3199 (4) | 0.0397 (10) | |
H10A | 0.2963 | 0.7999 | 0.3986 | 0.048* | |
C6 | 0.0196 (4) | 0.42788 (15) | 0.1484 (5) | 0.0558 (13) | |
H6A | −0.0365 | 0.4553 | 0.1851 | 0.084* | |
H6B | −0.0414 | 0.4113 | 0.0673 | 0.084* | |
H6C | 0.1025 | 0.4462 | 0.1260 | 0.084* | |
C17 | 0.7184 (4) | 0.19043 (14) | 0.2890 (4) | 0.0378 (10) | |
H17A | 0.6411 | 0.1839 | 0.2055 | 0.045* | |
C13' | 0.4373 (4) | 0.79381 (15) | 0.0870 (4) | 0.0392 (10) | |
H13A | 0.4729 | 0.7928 | 0.0081 | 0.047* | |
C4 | 0.0620 (4) | 0.29675 (15) | 0.1011 (4) | 0.0440 (11) | |
H4A | 0.1211 | 0.2692 | 0.0687 | 0.066* | |
H4B | 0.0081 | 0.3188 | 0.0253 | 0.066* | |
H4C | −0.0058 | 0.2778 | 0.1443 | 0.066* | |
C13 | 0.2073 (4) | 0.08177 (15) | 0.3678 (4) | 0.0391 (11) | |
H13B | 0.2390 | 0.0966 | 0.4557 | 0.047* | |
C18' | 1.0836 (4) | 0.67632 (19) | 0.1413 (5) | 0.0633 (14) | |
H18A | 1.0643 | 0.7143 | 0.1077 | 0.095* | |
H18B | 1.0433 | 0.6500 | 0.0694 | 0.095* | |
H18C | 1.1881 | 0.6706 | 0.1715 | 0.095* | |
C11' | 0.2934 (4) | 0.83991 (17) | 0.2233 (5) | 0.0507 (12) | |
H11A | 0.2329 | 0.8696 | 0.2368 | 0.061* | |
C17' | 1.0145 (4) | 0.66720 (16) | 0.2576 (4) | 0.0400 (10) | |
H17B | 1.0494 | 0.6959 | 0.3284 | 0.048* | |
C11 | 0.0566 (4) | 0.01705 (18) | 0.2126 (6) | 0.0605 (14) | |
H11B | −0.0106 | −0.0127 | 0.1958 | 0.073* | |
C16 | 0.7231 (5) | −0.00693 (16) | 0.4637 (6) | 0.090 (2) | |
H16A | 0.7652 | 0.0155 | 0.5430 | 0.136* | |
H16B | 0.7867 | −0.0060 | 0.4015 | 0.136* | |
H16C | 0.7123 | −0.0453 | 0.4911 | 0.136* | |
C15 | 0.5065 (5) | −0.02030 (18) | 0.2762 (6) | 0.094 (2) | |
H15A | 0.4094 | −0.0061 | 0.2366 | 0.141* | |
H15B | 0.4999 | −0.0586 | 0.3065 | 0.141* | |
H15C | 0.5641 | −0.0194 | 0.2089 | 0.141* | |
C6' | 0.5957 (5) | 0.40500 (16) | 0.2128 (6) | 0.097 (2) | |
H6'A | 0.5496 | 0.3711 | 0.2348 | 0.145* | |
H6'B | 0.6805 | 0.4134 | 0.2851 | 0.145* | |
H6'C | 0.6256 | 0.3996 | 0.1287 | 0.145* | |
C19 | 0.7503 (4) | 0.25248 (15) | 0.3056 (5) | 0.0517 (12) | |
H19A | 0.6606 | 0.2727 | 0.3031 | 0.078* | |
H19B | 0.7920 | 0.2655 | 0.2325 | 0.078* | |
H19C | 0.8189 | 0.2591 | 0.3918 | 0.078* | |
C15' | 0.9436 (4) | 0.83977 (18) | 0.3822 (4) | 0.0576 (13) | |
H15D | 0.9513 | 0.8130 | 0.4554 | 0.086* | |
H15E | 0.9421 | 0.8775 | 0.4174 | 0.086* | |
H15F | 1.0267 | 0.8356 | 0.3423 | 0.086* | |
C19' | 1.0489 (4) | 0.60907 (16) | 0.3168 (5) | 0.0689 (15) | |
H19D | 1.0076 | 0.6047 | 0.3950 | 0.103* | |
H19E | 1.1538 | 0.6041 | 0.3442 | 0.103* | |
H19F | 1.0072 | 0.5812 | 0.2490 | 0.103* | |
C16' | 0.7826 (5) | 0.87172 (15) | 0.1608 (5) | 0.0604 (14) | |
H16D | 0.6898 | 0.8644 | 0.0978 | 0.091* | |
H16E | 0.8605 | 0.8684 | 0.1141 | 0.091* | |
H16F | 0.7823 | 0.9093 | 0.1971 | 0.091* | |
C12 | 0.1044 (4) | 0.03818 (17) | 0.3426 (5) | 0.0515 (12) | |
H12B | 0.0680 | 0.0234 | 0.4137 | 0.062* | |
C10 | 0.1072 (5) | 0.03950 (19) | 0.1086 (5) | 0.0602 (13) | |
H10B | 0.0715 | 0.0259 | 0.0200 | 0.072* | |
C4' | 0.6813 (4) | 0.52743 (15) | 0.2605 (5) | 0.0594 (14) | |
H4'A | 0.7552 | 0.4985 | 0.2690 | 0.089* | |
H4'B | 0.6585 | 0.5333 | 0.3476 | 0.089* | |
H4'C | 0.7177 | 0.5620 | 0.2306 | 0.089* | |
C18 | 0.8524 (4) | 0.15616 (16) | 0.2835 (5) | 0.0625 (15) | |
H18D | 0.8254 | 0.1170 | 0.2686 | 0.094* | |
H18E | 0.9249 | 0.1600 | 0.3685 | 0.094* | |
H18F | 0.8925 | 0.1696 | 0.2098 | 0.094* |
U11 | U22 | U33 | U12 | U13 | U23 | |
P1 | 0.0293 (5) | 0.0232 (5) | 0.0231 (6) | 0.0013 (4) | 0.0075 (5) | −0.0012 (5) |
P1' | 0.0313 (5) | 0.0299 (6) | 0.0274 (7) | −0.0014 (5) | 0.0100 (5) | 0.0004 (5) |
O3 | 0.0392 (13) | 0.0222 (13) | 0.0314 (17) | 0.0077 (11) | 0.0134 (13) | 0.0018 (12) |
O3' | 0.0485 (15) | 0.0234 (14) | 0.0322 (17) | −0.0054 (12) | 0.0186 (14) | −0.0032 (13) |
O2 | 0.0369 (13) | 0.0296 (14) | 0.0209 (15) | 0.0029 (11) | 0.0117 (12) | −0.0018 (13) |
O2' | 0.0434 (14) | 0.0386 (14) | 0.0243 (15) | −0.0068 (13) | 0.0114 (13) | 0.0001 (14) |
N1 | 0.0382 (17) | 0.0211 (17) | 0.0247 (19) | 0.0043 (13) | 0.0167 (16) | 0.0048 (15) |
O4 | 0.0338 (13) | 0.0297 (13) | 0.0244 (16) | −0.0032 (11) | 0.0121 (13) | −0.0035 (12) |
O1 | 0.0585 (17) | 0.0320 (16) | 0.043 (2) | 0.0109 (13) | 0.0331 (16) | 0.0119 (14) |
O4' | 0.0282 (13) | 0.0339 (14) | 0.0335 (17) | 0.0039 (11) | 0.0074 (13) | −0.0028 (13) |
N1' | 0.0366 (16) | 0.0302 (18) | 0.0180 (19) | −0.0070 (13) | 0.0049 (16) | 0.0008 (15) |
C7' | 0.0359 (19) | 0.025 (2) | 0.022 (2) | −0.0058 (17) | 0.0134 (18) | 0.0030 (18) |
C1' | 0.030 (2) | 0.034 (2) | 0.031 (3) | 0.0018 (17) | 0.009 (2) | −0.002 (2) |
C7 | 0.0307 (19) | 0.023 (2) | 0.018 (2) | 0.0045 (15) | 0.0107 (18) | −0.0022 (17) |
O1' | 0.0679 (18) | 0.0463 (17) | 0.0259 (17) | −0.0096 (14) | 0.0199 (15) | −0.0034 (15) |
C8' | 0.0240 (19) | 0.028 (2) | 0.024 (3) | −0.0037 (16) | 0.0054 (19) | 0.0019 (19) |
C14' | 0.038 (2) | 0.031 (2) | 0.047 (3) | −0.0045 (18) | 0.019 (2) | −0.005 (2) |
C8 | 0.0291 (19) | 0.023 (2) | 0.026 (2) | 0.0018 (16) | 0.0051 (19) | 0.0037 (18) |
C2 | 0.039 (2) | 0.023 (2) | 0.043 (3) | 0.0058 (17) | 0.020 (2) | 0.001 (2) |
C3 | 0.034 (2) | 0.0202 (19) | 0.033 (3) | 0.0032 (17) | 0.0156 (19) | 0.0034 (18) |
C3' | 0.052 (2) | 0.029 (2) | 0.039 (3) | −0.0053 (19) | 0.023 (2) | −0.004 (2) |
C1 | 0.033 (2) | 0.027 (2) | 0.033 (3) | 0.0044 (18) | 0.016 (2) | 0.001 (2) |
C9' | 0.036 (2) | 0.031 (2) | 0.036 (3) | 0.0073 (18) | 0.010 (2) | 0.006 (2) |
C2' | 0.037 (2) | 0.032 (2) | 0.036 (3) | −0.0107 (18) | 0.015 (2) | −0.002 (2) |
C14 | 0.058 (3) | 0.019 (2) | 0.057 (3) | 0.002 (2) | 0.038 (3) | 0.003 (2) |
C9 | 0.050 (2) | 0.041 (2) | 0.044 (3) | −0.008 (2) | 0.006 (2) | −0.013 (2) |
C12' | 0.063 (3) | 0.058 (3) | 0.064 (4) | 0.025 (2) | 0.030 (3) | 0.028 (3) |
N2 | 0.065 (2) | 0.0335 (19) | 0.045 (3) | 0.0142 (17) | −0.0096 (19) | −0.0124 (18) |
C5 | 0.056 (2) | 0.030 (2) | 0.052 (3) | 0.0140 (19) | 0.018 (2) | 0.004 (2) |
N2' | 0.059 (2) | 0.040 (2) | 0.061 (3) | −0.0297 (17) | −0.010 (2) | 0.007 (2) |
C5' | 0.076 (3) | 0.039 (3) | 0.080 (4) | 0.002 (2) | 0.038 (3) | 0.002 (3) |
C10' | 0.035 (2) | 0.045 (2) | 0.040 (3) | 0.0044 (19) | 0.012 (2) | −0.003 (2) |
C6 | 0.055 (3) | 0.039 (3) | 0.075 (4) | 0.018 (2) | 0.020 (3) | 0.016 (3) |
C17 | 0.040 (2) | 0.043 (2) | 0.034 (3) | −0.0089 (18) | 0.017 (2) | −0.002 (2) |
C13' | 0.038 (2) | 0.046 (2) | 0.040 (3) | 0.006 (2) | 0.020 (2) | 0.007 (2) |
C4 | 0.036 (2) | 0.045 (2) | 0.051 (3) | 0.0009 (19) | 0.011 (2) | −0.003 (2) |
C13 | 0.034 (2) | 0.041 (2) | 0.040 (3) | −0.0028 (19) | 0.002 (2) | −0.001 (2) |
C18' | 0.047 (3) | 0.080 (3) | 0.068 (4) | 0.007 (2) | 0.024 (3) | 0.009 (3) |
C11' | 0.041 (2) | 0.047 (3) | 0.064 (4) | 0.015 (2) | 0.014 (3) | 0.002 (3) |
C17' | 0.029 (2) | 0.041 (2) | 0.047 (3) | 0.0018 (18) | 0.004 (2) | −0.004 (2) |
C11 | 0.037 (3) | 0.044 (3) | 0.094 (5) | −0.012 (2) | 0.001 (3) | −0.008 (3) |
C16 | 0.099 (4) | 0.040 (3) | 0.097 (5) | 0.016 (3) | −0.046 (3) | 0.004 (3) |
C15 | 0.080 (4) | 0.042 (3) | 0.140 (6) | 0.007 (3) | −0.016 (4) | −0.027 (3) |
C6' | 0.126 (4) | 0.037 (3) | 0.165 (7) | 0.016 (3) | 0.106 (5) | 0.019 (3) |
C19 | 0.056 (3) | 0.040 (2) | 0.066 (4) | −0.002 (2) | 0.028 (3) | 0.012 (2) |
C15' | 0.058 (3) | 0.067 (3) | 0.049 (3) | −0.013 (2) | 0.015 (3) | −0.020 (3) |
C19' | 0.056 (3) | 0.061 (3) | 0.080 (4) | 0.006 (2) | −0.001 (3) | 0.018 (3) |
C16' | 0.079 (3) | 0.029 (2) | 0.080 (4) | 0.002 (2) | 0.033 (3) | 0.004 (3) |
C12 | 0.040 (2) | 0.056 (3) | 0.057 (4) | −0.013 (2) | 0.008 (3) | 0.011 (3) |
C10 | 0.056 (3) | 0.067 (3) | 0.055 (4) | −0.012 (3) | 0.009 (3) | −0.020 (3) |
C4' | 0.052 (3) | 0.038 (2) | 0.078 (4) | 0.010 (2) | −0.003 (3) | −0.001 (3) |
C18 | 0.057 (3) | 0.061 (3) | 0.086 (4) | 0.003 (2) | 0.051 (3) | 0.008 (3) |
P1—O2 | 1.467 (2) | C5—H5B | 0.9700 |
P1—O4 | 1.558 (2) | N2'—H2'B | 0.8600 |
P1—O3 | 1.563 (2) | N2'—H2'C | 0.8600 |
P1—C7 | 1.807 (3) | C5'—C6' | 1.510 (5) |
P1'—O2' | 1.469 (2) | C5'—H5'A | 0.9700 |
P1'—O4' | 1.559 (2) | C5'—H5'B | 0.9700 |
P1'—O3' | 1.568 (2) | C10'—C11' | 1.362 (5) |
P1'—C7' | 1.810 (3) | C10'—H10A | 0.9300 |
O3—C14 | 1.443 (4) | C6—H6A | 0.9600 |
O3'—C14' | 1.461 (4) | C6—H6B | 0.9600 |
N1—C1 | 1.356 (4) | C6—H6C | 0.9600 |
N1—C7 | 1.458 (4) | C17—C19 | 1.496 (4) |
N1—H1A | 0.8600 | C17—C18 | 1.503 (5) |
O4—C17 | 1.463 (4) | C17—H17A | 0.9800 |
O1—C1 | 1.220 (4) | C13'—H13A | 0.9300 |
O4'—C17' | 1.478 (4) | C4—H4A | 0.9600 |
N1'—C1' | 1.346 (4) | C4—H4B | 0.9600 |
N1'—C7' | 1.451 (4) | C4—H4C | 0.9600 |
N1'—H1'A | 0.8600 | C13—C12 | 1.390 (5) |
C7'—C8' | 1.524 (4) | C13—H13B | 0.9300 |
C7'—H7'A | 0.9800 | C18'—C17' | 1.480 (6) |
C1'—O1' | 1.227 (4) | C18'—H18A | 0.9600 |
C1'—C2' | 1.515 (5) | C18'—H18B | 0.9600 |
C7—C8 | 1.524 (4) | C18'—H18C | 0.9600 |
C7—H7A | 0.9800 | C11'—H11A | 0.9300 |
C8'—C13' | 1.366 (5) | C17'—C19' | 1.500 (5) |
C8'—C9' | 1.390 (5) | C17'—H17B | 0.9800 |
C14'—C15' | 1.475 (5) | C11—C10 | 1.355 (7) |
C14'—C16' | 1.512 (5) | C11—C12 | 1.369 (7) |
C14'—H14A | 0.9800 | C11—H11B | 0.9300 |
C8—C9 | 1.374 (5) | C16—H16A | 0.9600 |
C8—C13 | 1.384 (5) | C16—H16B | 0.9600 |
C2—N2 | 1.452 (4) | C16—H16C | 0.9600 |
C2—C3 | 1.516 (5) | C15—H15A | 0.9600 |
C2—C1 | 1.523 (5) | C15—H15B | 0.9600 |
C2—H2A | 0.9800 | C15—H15C | 0.9600 |
C3—C5 | 1.511 (4) | C6'—H6'A | 0.9600 |
C3—C4 | 1.530 (5) | C6'—H6'B | 0.9600 |
C3—H3A | 0.9800 | C6'—H6'C | 0.9600 |
C3'—C4' | 1.502 (5) | C19—H19A | 0.9600 |
C3'—C5' | 1.506 (5) | C19—H19B | 0.9600 |
C3'—C2' | 1.536 (5) | C19—H19C | 0.9600 |
C3'—H3'A | 0.9800 | C15'—H15D | 0.9600 |
C9'—C10' | 1.367 (4) | C15'—H15E | 0.9600 |
C9'—H9'A | 0.9300 | C15'—H15F | 0.9600 |
C2'—N2' | 1.450 (4) | C19'—H19D | 0.9600 |
C2'—H2'A | 0.9800 | C19'—H19E | 0.9600 |
C14—C16 | 1.464 (5) | C19'—H19F | 0.9600 |
C14—C15 | 1.496 (6) | C16'—H16D | 0.9600 |
C14—H14B | 0.9800 | C16'—H16E | 0.9600 |
C9—C10 | 1.376 (5) | C16'—H16F | 0.9600 |
C9—H9A | 0.9300 | C12—H12B | 0.9300 |
C12'—C11' | 1.366 (6) | C10—H10B | 0.9300 |
C12'—C13' | 1.399 (5) | C4'—H4'A | 0.9600 |
C12'—H12A | 0.9300 | C4'—H4'B | 0.9600 |
N2—H2B | 0.8600 | C4'—H4'C | 0.9600 |
N2—H2C | 0.8600 | C18—H18D | 0.9600 |
C5—C6 | 1.537 (5) | C18—H18E | 0.9600 |
C5—H5A | 0.9700 | C18—H18F | 0.9600 |
O2—P1—O4 | 110.01 (14) | C6'—C5'—H5'B | 108.5 |
O2—P1—O3 | 114.41 (14) | H5'A—C5'—H5'B | 107.5 |
O4—P1—O3 | 105.78 (12) | C11'—C10'—C9' | 120.4 (4) |
O2—P1—C7 | 113.18 (14) | C11'—C10'—H10A | 119.8 |
O4—P1—C7 | 107.63 (14) | C9'—C10'—H10A | 119.8 |
O3—P1—C7 | 105.33 (14) | C5—C6—H6A | 109.5 |
O2'—P1'—O4' | 116.83 (13) | C5—C6—H6B | 109.5 |
O2'—P1'—O3' | 113.99 (13) | H6A—C6—H6B | 109.5 |
O4'—P1'—O3' | 103.00 (13) | C5—C6—H6C | 109.5 |
O2'—P1'—C7' | 114.64 (16) | H6A—C6—H6C | 109.5 |
O4'—P1'—C7' | 101.38 (14) | H6B—C6—H6C | 109.5 |
O3'—P1'—C7' | 105.38 (14) | O4—C17—C19 | 106.7 (3) |
C14—O3—P1 | 124.4 (2) | O4—C17—C18 | 108.7 (3) |
C14'—O3'—P1' | 124.4 (2) | C19—C17—C18 | 112.7 (3) |
C1—N1—C7 | 121.7 (3) | O4—C17—H17A | 109.6 |
C1—N1—H1A | 119.2 | C19—C17—H17A | 109.6 |
C7—N1—H1A | 119.2 | C18—C17—H17A | 109.6 |
C17—O4—P1 | 126.4 (2) | C8'—C13'—C12' | 119.8 (4) |
C17'—O4'—P1' | 120.4 (2) | C8'—C13'—H13A | 120.1 |
C1'—N1'—C7' | 121.6 (3) | C12'—C13'—H13A | 120.1 |
C1'—N1'—H1'A | 119.2 | C3—C4—H4A | 109.5 |
C7'—N1'—H1'A | 119.2 | C3—C4—H4B | 109.5 |
N1'—C7'—C8' | 111.9 (3) | H4A—C4—H4B | 109.5 |
N1'—C7'—P1' | 110.6 (2) | C3—C4—H4C | 109.5 |
C8'—C7'—P1' | 110.8 (2) | H4A—C4—H4C | 109.5 |
N1'—C7'—H7'A | 107.8 | H4B—C4—H4C | 109.5 |
C8'—C7'—H7'A | 107.8 | C8—C13—C12 | 119.8 (4) |
P1'—C7'—H7'A | 107.8 | C8—C13—H13B | 120.1 |
O1'—C1'—N1' | 122.3 (3) | C12—C13—H13B | 120.1 |
O1'—C1'—C2' | 120.4 (4) | C17'—C18'—H18A | 109.5 |
N1'—C1'—C2' | 117.3 (3) | C17'—C18'—H18B | 109.5 |
N1—C7—C8 | 111.7 (3) | H18A—C18'—H18B | 109.5 |
N1—C7—P1 | 111.0 (2) | C17'—C18'—H18C | 109.5 |
C8—C7—P1 | 111.9 (2) | H18A—C18'—H18C | 109.5 |
N1—C7—H7A | 107.3 | H18B—C18'—H18C | 109.5 |
C8—C7—H7A | 107.3 | C10'—C11'—C12' | 119.9 (4) |
P1—C7—H7A | 107.3 | C10'—C11'—H11A | 120.1 |
C13'—C8'—C9' | 118.9 (3) | C12'—C11'—H11A | 120.1 |
C13'—C8'—C7' | 119.6 (3) | O4'—C17'—C18' | 108.1 (3) |
C9'—C8'—C7' | 121.4 (3) | O4'—C17'—C19' | 108.2 (3) |
O3'—C14'—C15' | 109.6 (3) | C18'—C17'—C19' | 110.7 (3) |
O3'—C14'—C16' | 105.2 (3) | O4'—C17'—H17B | 109.9 |
C15'—C14'—C16' | 112.7 (3) | C18'—C17'—H17B | 109.9 |
O3'—C14'—H14A | 109.7 | C19'—C17'—H17B | 109.9 |
C15'—C14'—H14A | 109.7 | C10—C11—C12 | 119.9 (4) |
C16'—C14'—H14A | 109.7 | C10—C11—H11B | 120.0 |
C9—C8—C13 | 119.3 (3) | C12—C11—H11B | 120.0 |
C9—C8—C7 | 120.4 (4) | C14—C16—H16A | 109.5 |
C13—C8—C7 | 120.2 (4) | C14—C16—H16B | 109.5 |
N2—C2—C3 | 111.1 (3) | H16A—C16—H16B | 109.5 |
N2—C2—C1 | 110.8 (3) | C14—C16—H16C | 109.5 |
C3—C2—C1 | 111.2 (3) | H16A—C16—H16C | 109.5 |
N2—C2—H2A | 107.9 | H16B—C16—H16C | 109.5 |
C3—C2—H2A | 107.9 | C14—C15—H15A | 109.5 |
C1—C2—H2A | 107.9 | C14—C15—H15B | 109.5 |
C5—C3—C2 | 111.6 (3) | H15A—C15—H15B | 109.5 |
C5—C3—C4 | 111.5 (3) | C14—C15—H15C | 109.5 |
C2—C3—C4 | 110.3 (3) | H15A—C15—H15C | 109.5 |
C5—C3—H3A | 107.7 | H15B—C15—H15C | 109.5 |
C2—C3—H3A | 107.7 | C5'—C6'—H6'A | 109.5 |
C4—C3—H3A | 107.7 | C5'—C6'—H6'B | 109.5 |
C4'—C3'—C5' | 111.3 (4) | H6'A—C6'—H6'B | 109.5 |
C4'—C3'—C2' | 112.1 (3) | C5'—C6'—H6'C | 109.5 |
C5'—C3'—C2' | 111.4 (3) | H6'A—C6'—H6'C | 109.5 |
C4'—C3'—H3'A | 107.2 | H6'B—C6'—H6'C | 109.5 |
C5'—C3'—H3'A | 107.2 | C17—C19—H19A | 109.5 |
C2'—C3'—H3'A | 107.2 | C17—C19—H19B | 109.5 |
O1—C1—N1 | 123.1 (3) | H19A—C19—H19B | 109.5 |
O1—C1—C2 | 121.9 (3) | C17—C19—H19C | 109.5 |
N1—C1—C2 | 115.0 (3) | H19A—C19—H19C | 109.5 |
C10'—C9'—C8' | 120.7 (4) | H19B—C19—H19C | 109.5 |
C10'—C9'—H9'A | 119.7 | C14'—C15'—H15D | 109.5 |
C8'—C9'—H9'A | 119.7 | C14'—C15'—H15E | 109.5 |
N2'—C2'—C1' | 110.0 (3) | H15D—C15'—H15E | 109.5 |
N2'—C2'—C3' | 110.8 (3) | C14'—C15'—H15F | 109.5 |
C1'—C2'—C3' | 110.2 (3) | H15D—C15'—H15F | 109.5 |
N2'—C2'—H2'A | 108.6 | H15E—C15'—H15F | 109.5 |
C1'—C2'—H2'A | 108.6 | C17'—C19'—H19D | 109.5 |
C3'—C2'—H2'A | 108.6 | C17'—C19'—H19E | 109.5 |
O3—C14—C16 | 109.5 (3) | H19D—C19'—H19E | 109.5 |
O3—C14—C15 | 109.0 (4) | C17'—C19'—H19F | 109.5 |
C16—C14—C15 | 110.6 (3) | H19D—C19'—H19F | 109.5 |
O3—C14—H14B | 109.2 | H19E—C19'—H19F | 109.5 |
C16—C14—H14B | 109.2 | C14'—C16'—H16D | 109.5 |
C15—C14—H14B | 109.2 | C14'—C16'—H16E | 109.5 |
C8—C9—C10 | 119.9 (4) | H16D—C16'—H16E | 109.5 |
C8—C9—H9A | 120.1 | C14'—C16'—H16F | 109.5 |
C10—C9—H9A | 120.1 | H16D—C16'—H16F | 109.5 |
C11'—C12'—C13' | 120.3 (4) | H16E—C16'—H16F | 109.5 |
C11'—C12'—H12A | 119.9 | C11—C12—C13 | 119.8 (5) |
C13'—C12'—H12A | 119.9 | C11—C12—H12B | 120.1 |
C2—N2—H2B | 120.0 | C13—C12—H12B | 120.1 |
C2—N2—H2C | 120.0 | C11—C10—C9 | 121.1 (5) |
H2B—N2—H2C | 120.0 | C11—C10—H10B | 119.5 |
C3—C5—C6 | 112.9 (3) | C9—C10—H10B | 119.5 |
C3—C5—H5A | 109.0 | C3'—C4'—H4'A | 109.5 |
C6—C5—H5A | 109.0 | C3'—C4'—H4'B | 109.5 |
C3—C5—H5B | 109.0 | H4'A—C4'—H4'B | 109.5 |
C6—C5—H5B | 109.0 | C3'—C4'—H4'C | 109.5 |
H5A—C5—H5B | 107.8 | H4'A—C4'—H4'C | 109.5 |
C2'—N2'—H2'B | 120.0 | H4'B—C4'—H4'C | 109.5 |
C2'—N2'—H2'C | 120.0 | C17—C18—H18D | 109.5 |
H2'B—N2'—H2'C | 120.0 | C17—C18—H18E | 109.5 |
C3'—C5'—C6' | 115.0 (3) | H18D—C18—H18E | 109.5 |
C3'—C5'—H5'A | 108.5 | C17—C18—H18F | 109.5 |
C6'—C5'—H5'A | 108.5 | H18D—C18—H18F | 109.5 |
C3'—C5'—H5'B | 108.5 | H18E—C18—H18F | 109.5 |
O2—P1—O3—C14 | 20.4 (3) | N2—C2—C3—C4 | 173.5 (3) |
O4—P1—O3—C14 | 141.7 (3) | C1—C2—C3—C4 | 49.6 (4) |
C7—P1—O3—C14 | −104.5 (3) | C7—N1—C1—O1 | −6.1 (5) |
O2'—P1'—O3'—C14' | −29.8 (3) | C7—N1—C1—C2 | 175.4 (3) |
O4'—P1'—O3'—C14' | −157.4 (3) | N2—C2—C1—O1 | −78.0 (5) |
C7'—P1'—O3'—C14' | 96.7 (3) | C3—C2—C1—O1 | 46.1 (5) |
O2—P1—O4—C17 | 178.8 (2) | N2—C2—C1—N1 | 100.6 (4) |
O3—P1—O4—C17 | 54.8 (3) | C3—C2—C1—N1 | −135.3 (3) |
C7—P1—O4—C17 | −57.5 (3) | C13'—C8'—C9'—C10' | 0.8 (5) |
O2'—P1'—O4'—C17' | −56.4 (3) | C7'—C8'—C9'—C10' | 179.5 (3) |
O3'—P1'—O4'—C17' | 69.4 (3) | O1'—C1'—C2'—N2' | −42.7 (5) |
C7'—P1'—O4'—C17' | 178.3 (3) | N1'—C1'—C2'—N2' | 137.5 (3) |
C1'—N1'—C7'—C8' | 115.2 (3) | O1'—C1'—C2'—C3' | 79.8 (4) |
C1'—N1'—C7'—P1' | −120.7 (3) | N1'—C1'—C2'—C3' | −100.0 (4) |
O2'—P1'—C7'—N1' | −60.2 (3) | C4'—C3'—C2'—N2' | 176.9 (3) |
O4'—P1'—C7'—N1' | 66.6 (3) | C5'—C3'—C2'—N2' | −57.6 (5) |
O3'—P1'—C7'—N1' | 173.6 (2) | C4'—C3'—C2'—C1' | 54.9 (5) |
O2'—P1'—C7'—C8' | 64.5 (3) | C5'—C3'—C2'—C1' | −179.6 (3) |
O4'—P1'—C7'—C8' | −168.7 (2) | P1—O3—C14—C16 | −109.8 (4) |
O3'—P1'—C7'—C8' | −61.6 (3) | P1—O3—C14—C15 | 129.1 (3) |
C7'—N1'—C1'—O1' | 2.7 (5) | C13—C8—C9—C10 | −1.3 (6) |
C7'—N1'—C1'—C2' | −177.5 (3) | C7—C8—C9—C10 | 179.2 (3) |
C1—N1—C7—C8 | −125.8 (3) | C2—C3—C5—C6 | 162.1 (3) |
C1—N1—C7—P1 | 108.6 (3) | C4—C3—C5—C6 | −74.0 (4) |
O2—P1—C7—N1 | 55.9 (3) | C4'—C3'—C5'—C6' | −58.0 (5) |
O4—P1—C7—N1 | −65.9 (2) | C2'—C3'—C5'—C6' | 176.1 (4) |
O3—P1—C7—N1 | −178.4 (2) | C8'—C9'—C10'—C11' | −1.0 (6) |
O2—P1—C7—C8 | −69.6 (3) | P1—O4—C17—C19 | 144.1 (2) |
O4—P1—C7—C8 | 168.6 (2) | P1—O4—C17—C18 | −94.2 (3) |
O3—P1—C7—C8 | 56.1 (3) | C9'—C8'—C13'—C12' | −0.9 (5) |
N1'—C7'—C8'—C13' | −133.4 (3) | C7'—C8'—C13'—C12' | −179.6 (3) |
P1'—C7'—C8'—C13' | 102.7 (3) | C11'—C12'—C13'—C8' | 1.3 (6) |
N1'—C7'—C8'—C9' | 48.0 (4) | C9—C8—C13—C12 | 2.2 (5) |
P1'—C7'—C8'—C9' | −76.0 (4) | C7—C8—C13—C12 | −178.2 (3) |
P1'—O3'—C14'—C15' | 89.5 (3) | C9'—C10'—C11'—C12' | 1.3 (6) |
P1'—O3'—C14'—C16' | −149.1 (2) | C13'—C12'—C11'—C10' | −1.5 (7) |
N1—C7—C8—C9 | 115.1 (4) | P1'—O4'—C17'—C18' | −121.1 (3) |
P1—C7—C8—C9 | −119.8 (3) | P1'—O4'—C17'—C19' | 118.9 (3) |
N1—C7—C8—C13 | −64.4 (4) | C10—C11—C12—C13 | −1.4 (7) |
P1—C7—C8—C13 | 60.7 (4) | C8—C13—C12—C11 | −0.9 (6) |
N2—C2—C3—C5 | −61.9 (4) | C12—C11—C10—C9 | 2.4 (7) |
C1—C2—C3—C5 | 174.2 (3) | C8—C9—C10—C11 | −1.0 (6) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···O2′i | 0.86 | 2.07 | 2.913 (4) | 166 |
N1′—H1′A···O2ii | 0.86 | 1.98 | 2.833 (4) | 171 |
Symmetry codes: (i) −x+1, y−1/2, −z+1; (ii) −x+1, y+1/2, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C19H33N2O4P |
Mr | 384.44 |
Crystal system, space group | Monoclinic, P21 |
Temperature (K) | 293 |
a, b, c (Å) | 9.3455 (3), 23.6079 (6), 10.0517 (4) |
β (°) | 103.819 (4) |
V (Å3) | 2153.49 (12) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.15 |
Crystal size (mm) | 0.37 × 0.22 × 0.18 |
Data collection | |
Diffractometer | Bruker APEX area-detector |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.946, 0.973 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 7721, 6100, 4077 |
Rint | 0.028 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.043, 0.068, 0.82 |
No. of reflections | 6100 |
No. of parameters | 469 |
No. of restraints | 1 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.25, −0.21 |
Absolute structure | Flack (1983), 2215 Friedel pairs |
Absolute structure parameter | −0.04 (8) |
Computer programs: SMART (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEPIII (Farrugia, 1997) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···O2'i | 0.86 | 2.07 | 2.913 (4) | 166 |
N1'—H1'A···O2ii | 0.86 | 1.98 | 2.833 (4) | 171 |
Symmetry codes: (i) −x+1, y−1/2, −z+1; (ii) −x+1, y+1/2, −z+1. |
Acknowledgements
Financial support from the Major Program of the National Natural Science Foundation of China (20732004) and the General Programs of the National Natural Science Foundation of China (20972130 and 40806032) is gratefully acknowledged.
References
Bruker (2001). SADABS. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Bruker (2007). SAINT and SMART. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565. CrossRef IUCr Journals Google Scholar
Flack, H. D. (1983). Acta Cryst. A39, 876–881. CrossRef CAS Web of Science IUCr Journals Google Scholar
Joossens, J. & Van der Veken, P. (2004). J. Med. Chem. 47, 2411–2413. Web of Science CrossRef PubMed CAS Google Scholar
Li, Z. G., Huang, R. Q. & Yang, Z. L. (1999). Chin. J. Appl. Chem. 2, 90–92. Google Scholar
Liu, X. J., Chen, R. Y. & Yang, Y. Y. (2002). Chem. J. Chin. Univ. 23, 1299–1303. CAS Google Scholar
Senten, K., Daniels, L. & Van der Veken, P. (2003). J. Comb. Chem. 5, 336–344. Web of Science CrossRef PubMed CAS Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Spek, A. L. (2009). Acta Cryst. D65, 148–155. Web of Science CrossRef CAS IUCr Journals Google Scholar
Wang, Q. M., Li, Z. G., Huang, R. Q. & Cheng, J. R. (2001). Heteroat. Chem. 12, 68–72. Web of Science CrossRef Google Scholar
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.
In recent years phosphono-peptides have stimulated a great deal of interest due to their considerable biological activities, including antigrowth (Li et al., 1999), antitumoral (Liu et al., 2002), antiviral (Wang et al., 2001), and inhibiton of serine protease effects (Senten et al., 2003 and Joossens et al., 2004).
The title compound crystallized with two independent chiral molecules (A and B) in the asymmetric unit (Fig. 1). They differ only in the chirality of atom C7 (molecule A) and C7' (molecule B).
In the crystal the two independent molecules are linked via N—H···O=P hydrogen bonds, involving the amide unit and a phosphoryl O atom, to form dimers (Table 1).