The crystal structure of the title compound consists of discrete C27H44O8 and H2O molecules, linked by hydrogen bonding.
Supporting information
CCDC reference: 172209
Key indicators
- Single-crystal X-ray study
- T = 291 K
- Mean (C-C) = 0.005 Å
- R factor = 0.041
- wR factor = 0.064
- Data-to-parameter ratio = 9.2
checkCIF results
No syntax errors found
ADDSYM reports no extra symmetry
Alert Level C:
PLAT_213 Alert C Atom O4 has ADP max/min Ratio ........... 3.20
PLAT_736 Alert C H...A Calc 2.07(3), Rep 2.070(11) .... 2.73 s.u-Ratio
H9OB -O6 1.555 4.455
General Notes
REFLT_03
From the CIF: _diffrn_reflns_theta_max 26.25
From the CIF: _reflns_number_total 3185
Count of symmetry unique reflns 3186
Completeness (_total/calc) 99.97%
TEST3: Check Friedels for noncentro structure
Estimate of Friedel pairs measured 0
Fraction of Friedel pairs measured 0.000
Are heavy atom types Z>Si present no
Please check that the estimate of the number of Friedel pairs is
correct. If it is not, please give the correct count in the
_publ_section_exptl_refinement section of the submitted CIF.
0 Alert Level A = Potentially serious problem
0 Alert Level B = Potential problem
2 Alert Level C = Please check
The title compound was separated from a n-butanol fraction of Solanum nigrum
L. by CHCl3–CH3OH–H2O. Crystals were grown from methanol at
room temperature by slowly evaporation of the solvent.
Atoms H9OA and H9OB were located by difference Fourier synthesis, the remaining
H atoms were placed in geometrically calculated positions. All H atoms were
included in the final refinement and allowed to ride on their parent atoms
with Uiso(H)=1.2Ueq(parent). Friedel reflections were merged
before the final refinement and only the relative stereochemistry is shown in
the Scheme and Figures; the absolute configuration can not be determined
reliably in this experiment.
Data collection: XSCANS (Siemens, 1994); cell refinement: XSCANS; data reduction: XSCANS; program(s) used to solve structure: SHELXS97 (Sheldrick, 1990); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: XP in SHELXTL/PC (Siemens, 1991); software used to prepare material for publication: SHELXL97.
(2
α,3
α,5
α,20
S,22S)-2,3,5,14,20,20,24-Heptahydroxycholest-7-en-6-one
monohydrate
top
Crystal data top
C27H44O8·H2O | Dx = 1.248 Mg m−3 |
Mr = 514.64 | Melting point: 504 K |
Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
a = 7.153 (1) Å | Cell parameters from 25 reflections |
b = 10.290 (2) Å | θ = 2.9–15.0° |
c = 37.220 (8) Å | µ = 0.09 mm−1 |
V = 2739.6 (9) Å3 | T = 291 K |
Z = 4 | Prism, colourless |
F(000) = 1120 | 0.36 × 0.30 × 0.24 mm |
Data collection top
Siemens P4 diffractometer | Rint = 0.019 |
Radiation source: normal-focus sealed tube | θmax = 26.3°, θmin = 2.1° |
Graphite monochromator | h = 0→8 |
ω scans | k = 0→12 |
3426 measured reflections | l = −1→46 |
3185 independent reflections | 3 standard reflections every 97 reflections |
1635 reflections with I > 2σ(I) | intensity decay: 3.5% |
Refinement top
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)] = 0.041 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.064 | w = 1/[σ2(Fo2) + (0.0182P)2] where P = (Fo2 + 2Fc2)/3 |
S = 0.80 | (Δ/σ)max < 0.001 |
3185 reflections | Δρmax = 0.17 e Å−3 |
346 parameters | Δρmin = −0.17 e Å−3 |
2 restraints | Extinction correction: SHELXL97, Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0046 (3) |
Crystal data top
C27H44O8·H2O | V = 2739.6 (9) Å3 |
Mr = 514.64 | Z = 4 |
Orthorhombic, P212121 | Mo Kα radiation |
a = 7.153 (1) Å | µ = 0.09 mm−1 |
b = 10.290 (2) Å | T = 291 K |
c = 37.220 (8) Å | 0.36 × 0.30 × 0.24 mm |
Data collection top
Siemens P4 diffractometer | Rint = 0.019 |
3426 measured reflections | 3 standard reflections every 97 reflections |
3185 independent reflections | intensity decay: 3.5% |
1635 reflections with I > 2σ(I) | |
Refinement top
R[F2 > 2σ(F2)] = 0.041 | 2 restraints |
wR(F2) = 0.064 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.80 | Δρmax = 0.17 e Å−3 |
3185 reflections | Δρmin = −0.17 e Å−3 |
346 parameters | |
Special details top
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. |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top | x | y | z | Uiso*/Ueq | |
O1 | 0.6536 (3) | 0.4277 (3) | 0.28174 (7) | 0.0753 (11) | |
H1 | 0.7521 | 0.4176 | 0.2708 | 0.090* | |
O2 | 0.2587 (3) | 0.4215 (3) | 0.30614 (7) | 0.0538 (8) | |
H2O | 0.3367 | 0.4646 | 0.3170 | 0.065* | |
O3 | 0.0187 (3) | 0.4542 (3) | 0.25196 (7) | 0.0493 (7) | |
H3O | 0.0725 | 0.4735 | 0.2707 | 0.059* | |
O4 | −0.1803 (3) | 0.2792 (3) | 0.21821 (7) | 0.0849 (12) | |
O5 | 0.4460 (3) | 0.0530 (2) | 0.16004 (5) | 0.0335 (6) | |
H5 | 0.3921 | 0.0182 | 0.1769 | 0.040* | |
O6 | 0.4750 (3) | 0.16987 (19) | 0.02590 (6) | 0.0350 (6) | |
H6 | 0.3810 | 0.1274 | 0.0213 | 0.042* | |
O7 | 0.7219 (3) | −0.0198 (2) | 0.00104 (5) | 0.0378 (6) | |
H7 | 0.6427 | −0.0120 | −0.0147 | 0.045* | |
O8 | 0.9100 (3) | −0.4731 (2) | 0.04515 (7) | 0.0466 (7) | |
H8 | 0.8106 | −0.4998 | 0.0370 | 0.056* | |
O9 | 0.0976 (4) | 0.0705 (3) | −0.00769 (8) | 0.0531 (8) | |
C1 | 0.4275 (5) | 0.4755 (3) | 0.23506 (9) | 0.0459 (11) | |
H1A | 0.5297 | 0.5095 | 0.2207 | 0.055* | |
H1B | 0.3741 | 0.5472 | 0.2485 | 0.055* | |
C2 | 0.5032 (4) | 0.3757 (4) | 0.26104 (10) | 0.0460 (11) | |
H2 | 0.5522 | 0.3028 | 0.2469 | 0.055* | |
C3 | 0.3513 (5) | 0.3238 (4) | 0.28517 (9) | 0.0439 (11) | |
H3 | 0.4037 | 0.2576 | 0.3012 | 0.053* | |
C4 | 0.2036 (4) | 0.2619 (3) | 0.26101 (8) | 0.0378 (10) | |
H4A | 0.2589 | 0.1887 | 0.2485 | 0.045* | |
H4B | 0.1027 | 0.2290 | 0.2759 | 0.045* | |
C5 | 0.1233 (4) | 0.3563 (3) | 0.23346 (9) | 0.0351 (9) | |
C6 | −0.0156 (5) | 0.2832 (4) | 0.21013 (10) | 0.0456 (11) | |
C7 | 0.0562 (5) | 0.2092 (4) | 0.17967 (8) | 0.0361 (10) | |
H7A | −0.0222 | 0.1504 | 0.1681 | 0.043* | |
C8 | 0.2313 (4) | 0.2235 (3) | 0.16795 (8) | 0.0260 (8) | |
C9 | 0.3682 (4) | 0.3156 (3) | 0.18465 (8) | 0.0296 (9) | |
H9 | 0.4483 | 0.2623 | 0.2001 | 0.036* | |
C10 | 0.2772 (5) | 0.4188 (3) | 0.20982 (9) | 0.0356 (9) | |
C11 | 0.5003 (5) | 0.3781 (3) | 0.15648 (9) | 0.0469 (11) | |
H11A | 0.4318 | 0.4440 | 0.1433 | 0.056* | |
H11B | 0.6024 | 0.4209 | 0.1689 | 0.056* | |
C12 | 0.5814 (4) | 0.2796 (3) | 0.12976 (8) | 0.0354 (9) | |
H12A | 0.6555 | 0.3251 | 0.1119 | 0.042* | |
H12B | 0.6631 | 0.2199 | 0.1424 | 0.042* | |
C13 | 0.4273 (4) | 0.2027 (3) | 0.11091 (8) | 0.0262 (8) | |
C14 | 0.3146 (4) | 0.1319 (3) | 0.14012 (8) | 0.0235 (8) | |
C15 | 0.1874 (4) | 0.0414 (3) | 0.11942 (8) | 0.0367 (9) | |
H15A | 0.0759 | 0.0863 | 0.1113 | 0.044* | |
H15B | 0.1510 | −0.0327 | 0.1339 | 0.044* | |
C16 | 0.3109 (4) | −0.0009 (3) | 0.08733 (9) | 0.0389 (10) | |
H16A | 0.3434 | −0.0921 | 0.0895 | 0.047* | |
H16B | 0.2443 | 0.0117 | 0.0649 | 0.047* | |
C17 | 0.4890 (4) | 0.0836 (3) | 0.08815 (8) | 0.0252 (8) | |
H17 | 0.5779 | 0.0361 | 0.1033 | 0.030* | |
C18 | 0.2960 (5) | 0.2947 (3) | 0.09004 (8) | 0.0415 (10) | |
H18A | 0.2183 | 0.3412 | 0.1067 | 0.050* | |
H18B | 0.2188 | 0.2447 | 0.0741 | 0.050* | |
H18C | 0.3691 | 0.3553 | 0.0764 | 0.050* | |
C19 | 0.1888 (6) | 0.5303 (3) | 0.18797 (10) | 0.0705 (14) | |
H19A | 0.1230 | 0.5877 | 0.2039 | 0.085* | |
H19B | 0.1030 | 0.4950 | 0.1707 | 0.085* | |
H19C | 0.2853 | 0.5776 | 0.1757 | 0.085* | |
C20 | 0.5876 (5) | 0.1006 (3) | 0.05161 (8) | 0.0272 (8) | |
C21 | 0.7649 (4) | 0.1815 (3) | 0.05492 (8) | 0.0338 (9) | |
H21A | 0.8318 | 0.1795 | 0.0326 | 0.041* | |
H21B | 0.8423 | 0.1464 | 0.0736 | 0.041* | |
H21C | 0.7325 | 0.2696 | 0.0607 | 0.041* | |
C22 | 0.6310 (5) | −0.0355 (3) | 0.03529 (8) | 0.0337 (9) | |
H22 | 0.5125 | −0.0812 | 0.0315 | 0.040* | |
C23 | 0.7574 (5) | −0.1216 (3) | 0.05791 (9) | 0.0394 (10) | |
H23A | 0.7036 | −0.1308 | 0.0817 | 0.047* | |
H23B | 0.8782 | −0.0799 | 0.0605 | 0.047* | |
C24 | 0.7853 (5) | −0.2576 (3) | 0.04143 (9) | 0.0421 (10) | |
H24A | 0.6642 | −0.2909 | 0.0342 | 0.051* | |
H24B | 0.8609 | −0.2489 | 0.0199 | 0.051* | |
C25 | 0.8771 (5) | −0.3566 (3) | 0.06596 (10) | 0.0392 (10) | |
C26 | 1.0694 (5) | −0.3148 (3) | 0.07772 (10) | 0.0686 (14) | |
H26A | 1.1289 | −0.3847 | 0.0904 | 0.082* | |
H26B | 1.0593 | −0.2406 | 0.0932 | 0.082* | |
H26C | 1.1426 | −0.2923 | 0.0570 | 0.082* | |
C27 | 0.7571 (6) | −0.3909 (3) | 0.09787 (10) | 0.0730 (15) | |
H27A | 0.6340 | −0.4140 | 0.0898 | 0.088* | |
H27B | 0.7491 | −0.3175 | 0.1137 | 0.088* | |
H27C | 0.8116 | −0.4630 | 0.1104 | 0.088* | |
H9OA | −0.003 (3) | 0.034 (3) | −0.0047 (10) | 0.077 (17)* | |
H9OB | 0.062 (6) | 0.144 (2) | −0.0129 (12) | 0.11 (2)* | |
Atomic displacement parameters (Å2) top | U11 | U22 | U33 | U12 | U13 | U23 |
O1 | 0.0255 (14) | 0.137 (3) | 0.064 (2) | −0.013 (2) | 0.0101 (14) | −0.068 (2) |
O2 | 0.0316 (14) | 0.081 (2) | 0.0485 (17) | −0.0093 (17) | 0.0125 (14) | −0.0367 (16) |
O3 | 0.0382 (15) | 0.0564 (18) | 0.0532 (17) | 0.0123 (15) | 0.0097 (12) | −0.0194 (16) |
O4 | 0.0195 (15) | 0.161 (3) | 0.074 (2) | −0.003 (2) | 0.0062 (15) | −0.058 (2) |
O5 | 0.0313 (13) | 0.0401 (16) | 0.0290 (14) | 0.0089 (14) | 0.0084 (11) | 0.0108 (12) |
O6 | 0.0368 (16) | 0.0341 (15) | 0.0341 (13) | 0.0000 (13) | −0.0031 (13) | 0.0042 (13) |
O7 | 0.0425 (14) | 0.0437 (15) | 0.0271 (13) | −0.0007 (15) | 0.0063 (12) | −0.0027 (14) |
O8 | 0.0460 (16) | 0.0291 (14) | 0.0647 (18) | −0.0003 (14) | −0.0043 (16) | −0.0114 (14) |
O9 | 0.0434 (19) | 0.046 (2) | 0.069 (2) | 0.0059 (18) | 0.0216 (17) | 0.0117 (18) |
C1 | 0.043 (2) | 0.038 (2) | 0.056 (3) | −0.015 (2) | 0.027 (2) | −0.020 (2) |
C2 | 0.0180 (19) | 0.067 (3) | 0.053 (3) | −0.009 (2) | 0.004 (2) | −0.037 (2) |
C3 | 0.034 (2) | 0.058 (3) | 0.040 (2) | 0.000 (2) | 0.004 (2) | −0.009 (2) |
C4 | 0.032 (2) | 0.046 (2) | 0.036 (2) | −0.005 (2) | 0.0106 (19) | −0.008 (2) |
C5 | 0.0224 (19) | 0.045 (2) | 0.037 (2) | 0.006 (2) | 0.0051 (18) | −0.014 (2) |
C6 | 0.023 (2) | 0.066 (3) | 0.048 (2) | 0.002 (2) | 0.0022 (19) | −0.008 (2) |
C7 | 0.025 (2) | 0.050 (2) | 0.033 (2) | −0.003 (2) | 0.0016 (17) | −0.013 (2) |
C8 | 0.0197 (18) | 0.032 (2) | 0.0266 (19) | 0.0029 (19) | −0.0011 (16) | 0.0025 (17) |
C9 | 0.023 (2) | 0.037 (2) | 0.0288 (19) | −0.0011 (19) | 0.0023 (16) | −0.0043 (19) |
C10 | 0.034 (2) | 0.032 (2) | 0.041 (2) | 0.006 (2) | 0.0053 (19) | −0.0004 (19) |
C11 | 0.051 (3) | 0.048 (2) | 0.041 (2) | −0.022 (2) | 0.020 (2) | −0.013 (2) |
C12 | 0.036 (2) | 0.039 (2) | 0.032 (2) | −0.008 (2) | 0.0119 (18) | −0.0015 (19) |
C13 | 0.0230 (18) | 0.0270 (19) | 0.0285 (19) | −0.0025 (18) | −0.0040 (17) | 0.0013 (17) |
C14 | 0.0184 (17) | 0.0257 (19) | 0.0263 (19) | −0.0011 (17) | −0.0018 (16) | −0.0004 (16) |
C15 | 0.031 (2) | 0.038 (2) | 0.041 (2) | −0.006 (2) | 0.0061 (18) | −0.001 (2) |
C16 | 0.043 (2) | 0.034 (2) | 0.039 (2) | −0.013 (2) | 0.0061 (19) | −0.0075 (19) |
C17 | 0.0250 (18) | 0.0199 (19) | 0.0306 (19) | −0.0032 (18) | 0.0021 (16) | 0.0005 (17) |
C18 | 0.051 (2) | 0.038 (2) | 0.035 (2) | 0.012 (2) | 0.008 (2) | 0.0102 (19) |
C19 | 0.084 (3) | 0.052 (3) | 0.076 (3) | 0.030 (3) | 0.029 (3) | 0.009 (3) |
C20 | 0.030 (2) | 0.027 (2) | 0.0240 (19) | 0.0004 (18) | −0.0030 (17) | 0.0035 (17) |
C21 | 0.034 (2) | 0.035 (2) | 0.033 (2) | −0.002 (2) | 0.0043 (19) | 0.0004 (19) |
C22 | 0.036 (2) | 0.034 (2) | 0.031 (2) | −0.003 (2) | 0.0070 (18) | −0.0001 (19) |
C23 | 0.055 (3) | 0.030 (2) | 0.033 (2) | 0.005 (2) | 0.003 (2) | −0.0005 (18) |
C24 | 0.054 (3) | 0.035 (2) | 0.038 (2) | 0.005 (2) | 0.000 (2) | −0.0052 (19) |
C25 | 0.047 (3) | 0.023 (2) | 0.047 (2) | −0.003 (2) | 0.001 (2) | −0.006 (2) |
C26 | 0.069 (3) | 0.041 (3) | 0.097 (4) | 0.003 (3) | −0.029 (3) | −0.011 (3) |
C27 | 0.113 (4) | 0.043 (3) | 0.062 (3) | −0.006 (3) | 0.029 (3) | 0.004 (2) |
Geometric parameters (Å, º) top
O1—C2 | 1.427 (3) | C12—C13 | 1.527 (4) |
O1—H1 | 0.820 | C12—H12A | 0.970 |
O2—C3 | 1.434 (4) | C12—H12B | 0.970 |
O2—H2O | 0.820 | C13—C14 | 1.537 (4) |
O3—C5 | 1.432 (4) | C13—C18 | 1.543 (4) |
O3—H3O | 0.820 | C13—C17 | 1.554 (4) |
O4—C6 | 1.217 (4) | C14—C15 | 1.513 (4) |
O5—C14 | 1.446 (3) | C15—C16 | 1.548 (4) |
O5—H5 | 0.820 | C15—H15A | 0.970 |
O6—C20 | 1.439 (3) | C15—H15B | 0.970 |
O6—H6 | 0.820 | C16—C17 | 1.543 (4) |
O7—C22 | 1.440 (3) | C16—H16A | 0.970 |
O7—H7 | 0.820 | C16—H16B | 0.970 |
O8—C25 | 1.446 (4) | C17—C20 | 1.542 (4) |
O8—H8 | 0.820 | C17—H17 | 0.980 |
O9—H9OA | 0.822 (10) | C18—H18A | 0.960 |
O9—H9OB | 0.822 (10) | C18—H18B | 0.960 |
C1—C2 | 1.511 (4) | C18—H18C | 0.960 |
C1—C10 | 1.543 (4) | C19—H19A | 0.960 |
C1—H1A | 0.970 | C19—H19B | 0.960 |
C1—H1B | 0.970 | C19—H19C | 0.960 |
C2—C3 | 1.507 (4) | C20—C21 | 1.522 (4) |
C2—H2 | 0.980 | C20—C22 | 1.558 (4) |
C3—C4 | 1.526 (4) | C21—H21A | 0.960 |
C3—H3 | 0.980 | C21—H21B | 0.960 |
C4—C5 | 1.525 (4) | C21—H21C | 0.960 |
C4—H4A | 0.970 | C22—C23 | 1.520 (4) |
C4—H4B | 0.970 | C22—H22 | 0.980 |
C5—C6 | 1.518 (4) | C23—C24 | 1.541 (4) |
C5—C10 | 1.549 (4) | C23—H23A | 0.970 |
C6—C7 | 1.459 (4) | C23—H23B | 0.970 |
C7—C8 | 1.335 (4) | C24—C25 | 1.518 (4) |
C7—H7A | 0.930 | C24—H24A | 0.970 |
C8—C9 | 1.498 (4) | C24—H24B | 0.970 |
C8—C14 | 1.522 (4) | C25—C26 | 1.507 (4) |
C9—C11 | 1.551 (4) | C25—C27 | 1.508 (4) |
C9—C10 | 1.558 (4) | C26—H26A | 0.960 |
C9—H9 | 0.980 | C26—H26B | 0.960 |
C10—C19 | 1.542 (4) | C26—H26C | 0.960 |
C11—C12 | 1.534 (4) | C27—H27A | 0.960 |
C11—H11A | 0.970 | C27—H27B | 0.960 |
C11—H11B | 0.970 | C27—H27C | 0.960 |
| | | |
C2—O1—H1 | 109.5 | C15—C14—C13 | 104.3 (2) |
C3—O2—H2O | 109.5 | C8—C14—C13 | 113.1 (3) |
C5—O3—H3O | 109.5 | C14—C15—C16 | 102.9 (2) |
C14—O5—H5 | 109.5 | C14—C15—H15A | 111.2 |
C20—O6—H6 | 109.5 | C16—C15—H15A | 111.2 |
C22—O7—H7 | 109.5 | C14—C15—H15B | 111.2 |
C25—O8—H8 | 109.5 | C16—C15—H15B | 111.2 |
H9OA—O9—H9OB | 101 (4) | H15A—C15—H15B | 109.1 |
C2—C1—C10 | 112.5 (3) | C17—C16—C15 | 107.3 (2) |
C2—C1—H1A | 109.1 | C17—C16—H16A | 110.3 |
C10—C1—H1A | 109.1 | C15—C16—H16A | 110.3 |
C2—C1—H1B | 109.1 | C17—C16—H16B | 110.3 |
C10—C1—H1B | 109.1 | C15—C16—H16B | 110.3 |
H1A—C1—H1B | 107.8 | H16A—C16—H16B | 108.5 |
O1—C2—C3 | 110.7 (3) | C20—C17—C16 | 115.1 (3) |
O1—C2—C1 | 111.2 (3) | C20—C17—C13 | 121.4 (3) |
C3—C2—C1 | 111.4 (3) | C16—C17—C13 | 102.8 (2) |
O1—C2—H2 | 107.8 | C20—C17—H17 | 105.4 |
C3—C2—H2 | 107.8 | C16—C17—H17 | 105.4 |
C1—C2—H2 | 107.8 | C13—C17—H17 | 105.4 |
O2—C3—C2 | 114.1 (3) | C13—C18—H18A | 109.5 |
O2—C3—C4 | 107.1 (3) | C13—C18—H18B | 109.5 |
C2—C3—C4 | 107.2 (3) | H18A—C18—H18B | 109.5 |
O2—C3—H3 | 109.4 | C13—C18—H18C | 109.5 |
C2—C3—H3 | 109.4 | H18A—C18—H18C | 109.5 |
C4—C3—H3 | 109.4 | H18B—C18—H18C | 109.5 |
C5—C4—C3 | 113.0 (3) | C10—C19—H19A | 109.5 |
C5—C4—H4A | 109.0 | C10—C19—H19B | 109.5 |
C3—C4—H4A | 109.0 | H19A—C19—H19B | 109.5 |
C5—C4—H4B | 109.0 | C10—C19—H19C | 109.5 |
C3—C4—H4B | 109.0 | H19A—C19—H19C | 109.5 |
H4A—C4—H4B | 107.8 | H19B—C19—H19C | 109.5 |
O3—C5—C6 | 106.4 (3) | O6—C20—C21 | 104.4 (2) |
O3—C5—C4 | 108.8 (3) | O6—C20—C17 | 112.7 (3) |
C6—C5—C4 | 108.4 (3) | C21—C20—C17 | 111.8 (3) |
O3—C5—C10 | 110.6 (3) | O6—C20—C22 | 107.3 (2) |
C6—C5—C10 | 110.2 (3) | C21—C20—C22 | 110.9 (3) |
C4—C5—C10 | 112.3 (3) | C17—C20—C22 | 109.5 (2) |
O4—C6—C7 | 121.0 (4) | C20—C21—H21A | 109.5 |
O4—C6—C5 | 120.6 (4) | C20—C21—H21B | 109.5 |
C7—C6—C5 | 118.2 (3) | H21A—C21—H21B | 109.5 |
C8—C7—C6 | 121.7 (3) | C20—C21—H21C | 109.5 |
C8—C7—H7A | 119.1 | H21A—C21—H21C | 109.5 |
C6—C7—H7A | 119.1 | H21B—C21—H21C | 109.5 |
C7—C8—C9 | 123.2 (3) | O7—C22—C23 | 106.7 (3) |
C7—C8—C14 | 121.4 (3) | O7—C22—C20 | 109.6 (3) |
C9—C8—C14 | 114.7 (3) | C23—C22—C20 | 115.3 (3) |
C8—C9—C11 | 112.3 (3) | O7—C22—H22 | 108.4 |
C8—C9—C10 | 114.0 (3) | C23—C22—H22 | 108.4 |
C11—C9—C10 | 112.2 (3) | C20—C22—H22 | 108.4 |
C8—C9—H9 | 105.8 | C22—C23—C24 | 112.7 (3) |
C11—C9—H9 | 105.8 | C22—C23—H23A | 109.1 |
C10—C9—H9 | 105.8 | C24—C23—H23A | 109.1 |
C19—C10—C1 | 109.0 (3) | C22—C23—H23B | 109.1 |
C19—C10—C5 | 108.5 (3) | C24—C23—H23B | 109.1 |
C1—C10—C5 | 107.9 (3) | H23A—C23—H23B | 107.8 |
C19—C10—C9 | 111.2 (3) | C25—C24—C23 | 115.2 (3) |
C1—C10—C9 | 109.4 (3) | C25—C24—H24A | 108.5 |
C5—C10—C9 | 110.8 (3) | C23—C24—H24A | 108.5 |
C12—C11—C9 | 113.2 (3) | C25—C24—H24B | 108.5 |
C12—C11—H11A | 108.9 | C23—C24—H24B | 108.5 |
C9—C11—H11A | 108.9 | H24A—C24—H24B | 107.5 |
C12—C11—H11B | 108.9 | O8—C25—C26 | 104.1 (3) |
C9—C11—H11B | 108.9 | O8—C25—C27 | 108.7 (3) |
H11A—C11—H11B | 107.7 | C26—C25—C27 | 111.0 (3) |
C13—C12—C11 | 111.5 (3) | O8—C25—C24 | 107.7 (3) |
C13—C12—H12A | 109.3 | C26—C25—C24 | 112.2 (3) |
C11—C12—H12A | 109.3 | C27—C25—C24 | 112.6 (3) |
C13—C12—H12B | 109.3 | C25—C26—H26A | 109.5 |
C11—C12—H12B | 109.3 | C25—C26—H26B | 109.5 |
H12A—C12—H12B | 108.0 | H26A—C26—H26B | 109.5 |
C12—C13—C14 | 107.4 (2) | C25—C26—H26C | 109.5 |
C12—C13—C18 | 110.7 (3) | H26A—C26—H26C | 109.5 |
C14—C13—C18 | 109.1 (3) | H26B—C26—H26C | 109.5 |
C12—C13—C17 | 117.0 (3) | C25—C27—H27A | 109.5 |
C14—C13—C17 | 99.2 (2) | C25—C27—H27B | 109.5 |
C18—C13—C17 | 112.5 (3) | H27A—C27—H27B | 109.5 |
O5—C14—C15 | 107.9 (3) | C25—C27—H27C | 109.5 |
O5—C14—C8 | 104.7 (2) | H27A—C27—H27C | 109.5 |
C15—C14—C8 | 119.5 (3) | H27B—C27—H27C | 109.5 |
O5—C14—C13 | 106.7 (2) | | |
| | | |
C10—C1—C2—O1 | 174.7 (3) | C11—C12—C13—C18 | 59.7 (4) |
C10—C1—C2—C3 | −61.3 (4) | C11—C12—C13—C17 | −169.7 (3) |
O1—C2—C3—O2 | 65.6 (4) | C7—C8—C14—O5 | −107.5 (3) |
C1—C2—C3—O2 | −58.7 (4) | C9—C8—C14—O5 | 63.8 (4) |
O1—C2—C3—C4 | −176.1 (3) | C7—C8—C14—C15 | 13.3 (5) |
C1—C2—C3—C4 | 59.7 (4) | C9—C8—C14—C15 | −175.4 (3) |
O2—C3—C4—C5 | 65.2 (4) | C7—C8—C14—C13 | 136.7 (3) |
C2—C3—C4—C5 | −57.7 (4) | C9—C8—C14—C13 | −52.1 (4) |
C3—C4—C5—O3 | −66.9 (3) | C12—C13—C14—O5 | −56.8 (3) |
C3—C4—C5—C6 | 177.8 (3) | C18—C13—C14—O5 | −176.8 (2) |
C3—C4—C5—C10 | 55.8 (4) | C17—C13—C14—O5 | 65.4 (3) |
O3—C5—C6—O4 | −25.7 (5) | C12—C13—C14—C15 | −170.9 (2) |
C4—C5—C6—O4 | 91.1 (5) | C18—C13—C14—C15 | 69.1 (3) |
C10—C5—C6—O4 | −145.6 (4) | C17—C13—C14—C15 | −48.7 (3) |
O3—C5—C6—C7 | 159.5 (3) | C12—C13—C14—C8 | 57.8 (3) |
C4—C5—C6—C7 | −83.7 (4) | C18—C13—C14—C8 | −62.3 (3) |
C10—C5—C6—C7 | 39.6 (5) | C17—C13—C14—C8 | 180.0 (2) |
O4—C6—C7—C8 | 172.4 (4) | O5—C14—C15—C16 | −77.4 (3) |
C5—C6—C7—C8 | −12.8 (6) | C8—C14—C15—C16 | 163.3 (3) |
C6—C7—C8—C9 | −0.1 (6) | C13—C14—C15—C16 | 35.8 (3) |
C6—C7—C8—C14 | 170.4 (3) | C14—C15—C16—C17 | −8.8 (3) |
C7—C8—C9—C11 | −144.5 (3) | C15—C16—C17—C20 | −155.0 (3) |
C14—C8—C9—C11 | 44.4 (4) | C15—C16—C17—C13 | −20.8 (3) |
C7—C8—C9—C10 | −15.4 (5) | C12—C13—C17—C20 | −73.2 (4) |
C14—C8—C9—C10 | 173.5 (3) | C14—C13—C17—C20 | 171.8 (3) |
C2—C1—C10—C19 | 172.3 (3) | C18—C13—C17—C20 | 56.6 (4) |
C2—C1—C10—C5 | 54.7 (4) | C12—C13—C17—C16 | 156.4 (3) |
C2—C1—C10—C9 | −66.0 (4) | C14—C13—C17—C16 | 41.4 (3) |
O3—C5—C10—C19 | −47.8 (4) | C18—C13—C17—C16 | −73.8 (3) |
C6—C5—C10—C19 | 69.5 (4) | C16—C17—C20—O6 | 64.5 (4) |
C4—C5—C10—C19 | −169.5 (3) | C13—C17—C20—O6 | −60.4 (4) |
O3—C5—C10—C1 | 70.1 (3) | C16—C17—C20—C21 | −178.2 (3) |
C6—C5—C10—C1 | −172.5 (3) | C13—C17—C20—C21 | 56.9 (4) |
C4—C5—C10—C1 | −51.6 (4) | C16—C17—C20—C22 | −54.9 (3) |
O3—C5—C10—C9 | −170.1 (3) | C13—C17—C20—C22 | −179.8 (3) |
C6—C5—C10—C9 | −52.8 (4) | O6—C20—C22—O7 | 56.9 (3) |
C4—C5—C10—C9 | 68.2 (4) | C21—C20—C22—O7 | −56.6 (3) |
C8—C9—C10—C19 | −79.0 (4) | C17—C20—C22—O7 | 179.6 (2) |
C11—C9—C10—C19 | 50.2 (4) | O6—C20—C22—C23 | 177.2 (3) |
C8—C9—C10—C1 | 160.6 (3) | C21—C20—C22—C23 | 63.8 (3) |
C11—C9—C10—C1 | −70.2 (4) | C17—C20—C22—C23 | −60.1 (4) |
C8—C9—C10—C5 | 41.8 (4) | O7—C22—C23—C24 | −61.6 (4) |
C11—C9—C10—C5 | 171.0 (3) | C20—C22—C23—C24 | 176.5 (3) |
C8—C9—C11—C12 | −46.1 (4) | C22—C23—C24—C25 | −168.4 (3) |
C10—C9—C11—C12 | −176.1 (3) | C23—C24—C25—O8 | −174.1 (3) |
C9—C11—C12—C13 | 55.1 (4) | C23—C24—C25—C26 | −60.0 (4) |
C11—C12—C13—C14 | −59.3 (4) | C23—C24—C25—C27 | 66.0 (4) |
Hydrogen-bond geometry (Å, º) top
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O3i | 0.82 | 2.07 | 2.850 (3) | 160 |
O2—H2O···O5ii | 0.82 | 1.99 | 2.807 (3) | 172 |
O3—H3O···O2 | 0.82 | 1.95 | 2.669 (3) | 146 |
O5—H5···O1iii | 0.82 | 1.83 | 2.620 (3) | 162 |
O6—H6···O9 | 0.82 | 2.37 | 3.146 (4) | 158 |
O7—H7···O8iv | 0.82 | 2.02 | 2.817 (3) | 165 |
O8—H8···O9v | 0.82 | 2.01 | 2.819 (4) | 168 |
O9—H9OB···O6vi | 0.82 (1) | 2.07 (1) | 2.892 (4) | 180 (6) |
O9—H9OA···O7vii | 0.82 (1) | 2.05 (1) | 2.862 (4) | 168 (4) |
Symmetry codes: (i) x+1, y, z; (ii) −x+1, y+1/2, −z+1/2; (iii) −x+1, y−1/2, −z+1/2; (iv) x−1/2, −y−1/2, −z; (v) x+1/2, −y−1/2, −z; (vi) x−1/2, −y+1/2, −z; (vii) x−1, y, z. |
Experimental details
Crystal data |
Chemical formula | C27H44O8·H2O |
Mr | 514.64 |
Crystal system, space group | Orthorhombic, P212121 |
Temperature (K) | 291 |
a, b, c (Å) | 7.153 (1), 10.290 (2), 37.220 (8) |
V (Å3) | 2739.6 (9) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.09 |
Crystal size (mm) | 0.36 × 0.30 × 0.24 |
|
Data collection |
Diffractometer | Siemens P4 diffractometer |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 3426, 3185, 1635 |
Rint | 0.019 |
(sin θ/λ)max (Å−1) | 0.622 |
|
Refinement |
R[F2 > 2σ(F2)], wR(F2), S | 0.041, 0.064, 0.80 |
No. of reflections | 3185 |
No. of parameters | 346 |
No. of restraints | 2 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.17, −0.17 |
Selected geometric parameters (Å, º) topO4—C6 | 1.217 (4) | C8—C9 | 1.498 (4) |
C1—C2 | 1.511 (4) | C9—C11 | 1.551 (4) |
C1—C10 | 1.543 (4) | C9—C10 | 1.558 (4) |
C2—C3 | 1.507 (4) | C13—C17 | 1.554 (4) |
C3—C4 | 1.526 (4) | C20—C22 | 1.558 (4) |
C4—C5 | 1.525 (4) | C22—C23 | 1.520 (4) |
C5—C6 | 1.518 (4) | C24—C25 | 1.518 (4) |
C5—C10 | 1.549 (4) | C25—C26 | 1.507 (4) |
C6—C7 | 1.459 (4) | C25—C27 | 1.508 (4) |
C7—C8 | 1.335 (4) | | |
| | | |
O1—C2—C3 | 110.7 (3) | C7—C8—C14 | 121.4 (3) |
C2—C3—C4 | 107.2 (3) | C8—C9—C10 | 114.0 (3) |
C5—C4—C3 | 113.0 (3) | C1—C10—C5 | 107.9 (3) |
C6—C5—C10 | 110.2 (3) | C5—C10—C9 | 110.8 (3) |
C4—C5—C10 | 112.3 (3) | C14—C13—C17 | 99.2 (2) |
C7—C6—C5 | 118.2 (3) | C15—C14—C8 | 119.5 (3) |
C8—C7—C6 | 121.7 (3) | C20—C17—C13 | 121.4 (3) |
C7—C8—C9 | 123.2 (3) | | |
Hydrogen-bond geometry (Å, º) top
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O3i | 0.82 | 2.07 | 2.850 (3) | 160 |
O2—H2O···O5ii | 0.82 | 1.99 | 2.807 (3) | 172 |
O3—H3O···O2 | 0.82 | 1.95 | 2.669 (3) | 146 |
O5—H5···O1iii | 0.82 | 1.83 | 2.620 (3) | 162 |
O6—H6···O9 | 0.82 | 2.37 | 3.146 (4) | 158 |
O7—H7···O8iv | 0.82 | 2.02 | 2.817 (3) | 165 |
O8—H8···O9v | 0.82 | 2.01 | 2.819 (4) | 168 |
O9—H9OB···O6vi | 0.822 (10) | 2.070 (11) | 2.892 (4) | 180 (6) |
O9—H9OA···O7vii | 0.822 (10) | 2.053 (14) | 2.862 (4) | 168 (4) |
Symmetry codes: (i) x+1, y, z; (ii) −x+1, y+1/2, −z+1/2; (iii) −x+1, y−1/2, −z+1/2; (iv) x−1/2, −y−1/2, −z; (v) x+1/2, −y−1/2, −z; (vi) x−1/2, −y+1/2, −z; (vii) x−1, y, z. |
The title compound,, (I), has been isolated from Solanum nigrum L. (De Souza et al., 1970; Baltaev, 1995; Kissmer & Wichtl, 1987; Nishimoto et al., 1987). It was isolated from Solanaceae for the first time, its structure was established from the spectroscopic and chemical evidence, and confirmed by this X-ray diffraction study.
The title compound is a typical example of a sterone. Its main skeleton is composed of four rings. The A and C rings exist in chair conformations. Because of carbonyl and double-bond planarity, the B ring is in a distorted chair conformation. Ring D has a half-chair conformation. The Csp3—Csp3 bond lengths C1—C2, C2—C3, C5—C10, C9—C10, C9—C11, C13—C17, C20—C22, C22—C23, C24—C25, C25—C26 and C25—C27 show some significant deviations from standard values. The bond angles C7—C6—C5, C8—C7—C6, C7—C8—C9, C7—C8—C14, C14—C13—C17, C15—C14—C8 and C20—C17—C13 show significant deviations from the ideal tetrahedral value of 109.5°. These deviations are common in steroids as a result of the strain induced by ring junctions, side chains and unsaturated bonds. The C7—C8 bond length indicates double-bond nature. The title compound is a hydrate; the water molecule is involved in hydrogen bonding, as both donor and acceptor (Table 2).