Literature DB >> 21754206

3α-Hy-droxy-tirucalla-8,24-dien-21-oic acid.

S Yousuf, R S T Kamdem, B T Ngadjui, P Wafo, Hoong-Kun Fun.   

Abstract

The title compound, C(30)H(48)O(3), a triterpene isolated from the resin of canarium schweinfurthiiand, is an isomer of the previously reported triterpene-hy-droxy-tirucalla-7,24-dien-21-oic acid [Mora et al. (2001 ▶). Acta Cryst. C57, 638-640], which crystallizes in the same trigonal space group. The title mol-ecule consists of four fused rings having chair, half-chair, half-chair and envelope conformations for rings A, B, C and D, respectively (steroid labelling). An intra-molecular C-H⋯O hydrogen bond generates an S(7) ring. In the crystal, mol-ecules are linked by O-H⋯O and C-H⋯O inter-actions, forming (001) sheets.

Entities:  

Year:  2011        PMID: 21754206      PMCID: PMC3099970          DOI: 10.1107/S1600536811008956

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For the crystal structure of 3α-hy­droxy­tirucalla-7,24-diene-21-oic acid, see: Mora et al. (2001 ▶). For the biological activity of canarium schweinfurthiiand, see: Atawodi (2010 ▶); Dongmo et al. (2010 ▶) and for its botany, see: Tchiégang et al. (2001 ▶). For the stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986 ▶).

Experimental

Crystal data

C30H48O3 M = 456.68 Trigonal, a = 11.2794 (2) Å c = 36.6986 (6) Å V = 4043.45 (12) Å3 Z = 6 Cu Kα radiation μ = 0.54 mm−1 T = 100 K 0.29 × 0.24 × 0.13 mm

Data collection

Bruker SMART APEXII DUO CCD diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2009) ▶ T min = 0.859, T max = 0.935 29022 measured reflections 5154 independent reflections 5062 reflections with I > 2σ(I) R int = 0.040

Refinement

R[F 2 > 2σ(F 2)] = 0.038 wR(F 2) = 0.104 S = 0.97 5154 reflections 305 parameters H-atom parameters constrained Δρmax = 0.34 e Å−3 Δρmin = −0.15 e Å−3 Absolute structure: Flack (1983 ▶), 2099 Friedel pairs Flack parameter: −0.35 (19) Data collection: APEX2 (Bruker, 2009 ▶); cell refinement: SAINT (Bruker, 2009 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: SHELXTL (Sheldrick, 2008 ▶); software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009 ▶). Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536811008956/hb5815sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536811008956/hb5815Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C30H48O3Dx = 1.125 Mg m3
Mr = 456.68Cu Kα radiation, λ = 1.54178 Å
Trigonal, P3121Cell parameters from 16991 reflections
a = 11.2794 (2) Åθ = 3.6–71.8°
c = 36.6986 (6) ŵ = 0.54 mm1
V = 4043.45 (12) Å3T = 100 K
Z = 6Block, colorless
F(000) = 15120.29 × 0.24 × 0.13 mm
Bruker SMART APEXII DUO CCD diffractometer5154 independent reflections
Radiation source: fine-focus sealed tube5062 reflections with I > 2σ(I)
graphiteRint = 0.040
φ and ω scansθmax = 71.8°, θmin = 3.6°
Absorption correction: multi-scan (SADABS; Bruker, 2009)h = −12→10
Tmin = 0.859, Tmax = 0.935k = −13→13
29022 measured reflectionsl = −45→43
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.038H-atom parameters constrained
wR(F2) = 0.104w = 1/[σ2(Fo2) + (0.0607P)2 + 1.1875P] where P = (Fo2 + 2Fc2)/3
S = 0.97(Δ/σ)max < 0.001
5154 reflectionsΔρmax = 0.34 e Å3
305 parametersΔρmin = −0.14 e Å3
0 restraintsAbsolute structure: Flack (1983), 2099 Friedel pairs
Primary atom site location: structure-invariant direct methodsFlack parameter: −0.35 (19)
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 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.
xyzUiso*/Ueq
O10.12186 (11)0.02017 (12)0.12824 (3)0.0298 (2)
H1O10.11650.01040.15430.045*
O2−0.10300 (11)−0.06580 (12)0.13280 (3)0.0294 (2)
O30.65407 (12)0.90621 (15)0.10227 (3)0.0431 (3)
H1O30.72070.90890.11290.065*
C10.41649 (17)0.72932 (17)0.14749 (4)0.0300 (3)
H1A0.37760.68040.17070.036*
H1B0.46530.68700.13570.036*
C20.51897 (18)0.87967 (18)0.15572 (4)0.0330 (3)
H2A0.47190.92070.16910.040*
H2B0.59260.88520.17160.040*
C30.58166 (15)0.96055 (17)0.12096 (4)0.0300 (3)
H3A0.64661.05830.12740.036*
C40.47387 (16)0.95453 (17)0.09408 (4)0.0314 (3)
C50.36344 (15)0.80196 (16)0.08805 (4)0.0276 (3)
H5A0.41180.76040.07510.033*
C60.24806 (18)0.78286 (18)0.06230 (5)0.0368 (4)
H6A0.18390.80380.07530.044*
H6B0.28690.84650.04140.044*
C70.17160 (16)0.63491 (17)0.04855 (4)0.0305 (3)
H7A0.08030.61410.03960.037*
H7B0.22240.62690.02760.037*
C80.15280 (15)0.52984 (16)0.07647 (4)0.0273 (3)
C90.21172 (16)0.56210 (16)0.10983 (4)0.0293 (3)
C100.29897 (15)0.71123 (16)0.12250 (4)0.0266 (3)
C110.18977 (18)0.45252 (16)0.13711 (4)0.0305 (3)
H11A0.15570.47170.16000.037*
H11B0.28010.46220.14260.037*
C120.09172 (17)0.30243 (16)0.12677 (4)0.0289 (3)
H12A0.12000.24280.13930.035*
H12B−0.00220.27550.13480.035*
C130.09242 (15)0.28248 (15)0.08549 (4)0.0248 (3)
C140.05170 (15)0.38169 (16)0.06713 (4)0.0261 (3)
C150.03784 (19)0.33660 (18)0.02702 (4)0.0343 (4)
H15A0.12840.37960.01490.041*
H15B−0.02270.36130.01350.041*
C16−0.02608 (18)0.17853 (17)0.02912 (4)0.0328 (3)
H16A0.02540.14860.01340.039*
H16B−0.12260.13220.02090.039*
C17−0.01783 (15)0.14260 (16)0.06977 (4)0.0256 (3)
H17A−0.10700.11870.08150.031*
C180.23593 (16)0.31412 (18)0.07350 (4)0.0328 (3)
H18A0.26550.26210.08860.049*
H18B0.30050.41230.07630.049*
H18C0.23320.28820.04790.049*
C190.20263 (18)0.7441 (2)0.14522 (5)0.0401 (4)
H19A0.15930.67570.16460.060*
H19B0.13190.74220.12930.060*
H19C0.25600.83530.15610.060*
C200.00323 (16)0.01791 (16)0.07414 (4)0.0263 (3)
H20A0.09430.04140.06370.032*
C210.00184 (15)−0.01382 (16)0.11427 (4)0.0253 (3)
C22−0.10897 (16)−0.10907 (16)0.05432 (4)0.0273 (3)
H22A−0.1985−0.13610.06570.033*
H22B−0.1133−0.08480.02860.033*
C23−0.08548 (18)−0.23138 (18)0.05517 (5)0.0339 (3)
H23A0.0057−0.20340.04470.041*
H23B−0.0852−0.25830.08080.041*
C24−0.19244 (19)−0.35336 (18)0.03441 (4)0.0331 (3)
H24A−0.1793−0.35240.00880.040*
C25−0.30231 (19)−0.46146 (18)0.04752 (4)0.0353 (4)
C26−0.3398 (2)−0.4808 (3)0.08726 (5)0.0611 (6)
H26A−0.2694−0.40350.10120.092*
H26B−0.3461−0.56600.09590.092*
H26C−0.4283−0.48560.09060.092*
C27−0.4008 (2)−0.5768 (2)0.02355 (6)0.0502 (5)
H27A−0.3706−0.5563−0.00190.075*
H27B−0.4923−0.58770.02590.075*
H27C−0.4039−0.66180.03100.075*
C280.54466 (19)1.0165 (2)0.05767 (5)0.0461 (5)
H28A0.62841.10390.06210.069*
H28B0.48281.03160.04210.069*
H28C0.56800.95340.04550.069*
C290.4192 (2)1.04643 (19)0.10886 (6)0.0443 (4)
H29A0.49311.14210.10880.066*
H29B0.38581.01870.13380.066*
H29C0.34411.03670.09330.066*
C30−0.08957 (17)0.35873 (17)0.07938 (5)0.0346 (4)
H30A−0.10930.42320.06660.052*
H30B−0.08840.37370.10570.052*
H30C−0.16050.26480.07360.052*
U11U22U33U12U13U23
O10.0283 (5)0.0419 (6)0.0230 (5)0.0203 (5)−0.0021 (4)−0.0007 (4)
O20.0250 (5)0.0409 (6)0.0199 (4)0.0146 (5)−0.0005 (4)0.0017 (4)
O30.0251 (6)0.0665 (9)0.0380 (6)0.0232 (6)−0.0050 (5)−0.0111 (6)
C10.0328 (8)0.0353 (8)0.0182 (6)0.0144 (7)−0.0059 (6)−0.0014 (6)
C20.0327 (8)0.0378 (9)0.0218 (7)0.0127 (7)−0.0062 (6)−0.0057 (6)
C30.0222 (7)0.0365 (8)0.0251 (7)0.0099 (6)−0.0041 (6)−0.0042 (6)
C40.0229 (7)0.0325 (8)0.0305 (7)0.0076 (7)−0.0057 (6)0.0028 (6)
C50.0218 (7)0.0295 (8)0.0242 (6)0.0072 (6)−0.0042 (5)0.0037 (6)
C60.0283 (8)0.0328 (9)0.0374 (8)0.0064 (7)−0.0098 (7)0.0096 (7)
C70.0249 (7)0.0347 (8)0.0230 (6)0.0084 (6)−0.0053 (6)0.0061 (6)
C80.0209 (7)0.0302 (8)0.0254 (7)0.0087 (6)−0.0014 (5)0.0055 (6)
C90.0287 (8)0.0312 (8)0.0220 (6)0.0105 (6)−0.0021 (6)0.0042 (6)
C100.0225 (7)0.0302 (8)0.0239 (6)0.0109 (6)−0.0013 (6)0.0032 (6)
C110.0377 (9)0.0310 (8)0.0190 (6)0.0143 (7)−0.0015 (6)0.0013 (6)
C120.0347 (8)0.0301 (8)0.0183 (7)0.0134 (7)−0.0020 (6)0.0029 (5)
C130.0220 (7)0.0303 (7)0.0195 (6)0.0111 (6)0.0004 (5)0.0038 (5)
C140.0235 (7)0.0306 (8)0.0192 (6)0.0099 (6)−0.0025 (5)0.0038 (6)
C150.0419 (9)0.0345 (9)0.0199 (7)0.0141 (7)−0.0068 (6)0.0016 (6)
C160.0407 (9)0.0358 (9)0.0194 (7)0.0172 (7)−0.0057 (6)−0.0002 (6)
C170.0243 (7)0.0324 (8)0.0184 (6)0.0129 (6)−0.0006 (5)0.0004 (5)
C180.0236 (7)0.0394 (9)0.0321 (8)0.0133 (7)0.0016 (6)0.0028 (7)
C190.0320 (8)0.0386 (9)0.0454 (9)0.0143 (7)0.0094 (7)0.0034 (8)
C200.0256 (7)0.0335 (8)0.0195 (6)0.0145 (6)0.0005 (5)0.0003 (6)
C210.0256 (7)0.0292 (8)0.0224 (6)0.0148 (6)−0.0021 (5)−0.0018 (6)
C220.0313 (8)0.0343 (8)0.0179 (6)0.0177 (7)−0.0018 (5)−0.0019 (6)
C230.0355 (8)0.0376 (9)0.0331 (8)0.0216 (7)−0.0006 (7)0.0003 (7)
C240.0449 (9)0.0356 (8)0.0255 (7)0.0251 (8)0.0015 (7)−0.0013 (6)
C250.0400 (9)0.0388 (9)0.0309 (8)0.0224 (8)−0.0010 (7)0.0012 (7)
C260.0495 (12)0.0782 (16)0.0365 (10)0.0176 (12)0.0085 (9)0.0057 (10)
C270.0547 (12)0.0410 (10)0.0492 (10)0.0196 (10)−0.0079 (9)−0.0037 (8)
C280.0343 (9)0.0401 (10)0.0347 (8)−0.0033 (8)−0.0102 (7)0.0079 (7)
C290.0350 (9)0.0337 (9)0.0607 (11)0.0145 (7)−0.0089 (8)−0.0001 (8)
C300.0245 (7)0.0285 (8)0.0465 (9)0.0101 (6)−0.0018 (7)0.0053 (7)
O1—C211.3128 (18)C15—C161.555 (2)
O1—H1O10.9626C15—H15A0.9900
O2—C211.2293 (18)C15—H15B0.9900
O3—C31.419 (2)C16—C171.5606 (19)
O3—H1O30.8340C16—H16A0.9900
C1—C21.531 (2)C16—H16B0.9900
C1—C101.539 (2)C17—C201.547 (2)
C1—H1A0.9900C17—H17A1.0000
C1—H1B0.9900C18—H18A0.9800
C2—C31.521 (2)C18—H18B0.9800
C2—H2A0.9900C18—H18C0.9800
C2—H2B0.9900C19—H19A0.9800
C3—C41.541 (2)C19—H19B0.9800
C3—H3A1.0000C19—H19C0.9800
C4—C281.534 (2)C20—C211.5139 (18)
C4—C291.545 (3)C20—C221.539 (2)
C4—C51.555 (2)C20—H20A1.0000
C5—C61.534 (2)C22—C231.530 (2)
C5—C101.5591 (19)C22—H22A0.9900
C5—H5A1.0000C22—H22B0.9900
C6—C71.531 (2)C23—C241.506 (2)
C6—H6A0.9900C23—H23A0.9900
C6—H6B0.9900C23—H23B0.9900
C7—C81.499 (2)C24—C251.320 (3)
C7—H7A0.9900C24—H24A0.9500
C7—H7B0.9900C25—C271.502 (3)
C8—C91.353 (2)C25—C261.504 (2)
C8—C141.518 (2)C26—H26A0.9800
C9—C111.512 (2)C26—H26B0.9800
C9—C101.536 (2)C26—H26C0.9800
C10—C191.555 (2)C27—H27A0.9800
C11—C121.537 (2)C27—H27B0.9800
C11—H11A0.9900C27—H27C0.9800
C11—H11B0.9900C28—H28A0.9800
C12—C131.5319 (18)C28—H28B0.9800
C12—H12A0.9900C28—H28C0.9800
C12—H12B0.9900C29—H29A0.9800
C13—C181.537 (2)C29—H29B0.9800
C13—C171.551 (2)C29—H29C0.9800
C13—C141.559 (2)C30—H30A0.9800
C14—C151.539 (2)C30—H30B0.9800
C14—C301.548 (2)C30—H30C0.9800
C21—O1—H1O1111.0C16—C15—H15B110.9
C3—O3—H1O3117.4H15A—C15—H15B109.0
C2—C1—C10112.80 (14)C15—C16—C17106.94 (12)
C2—C1—H1A109.0C15—C16—H16A110.3
C10—C1—H1A109.0C17—C16—H16A110.3
C2—C1—H1B109.0C15—C16—H16B110.3
C10—C1—H1B109.0C17—C16—H16B110.3
H1A—C1—H1B107.8H16A—C16—H16B108.6
C3—C2—C1111.47 (12)C20—C17—C13118.46 (12)
C3—C2—H2A109.3C20—C17—C16113.03 (12)
C1—C2—H2A109.3C13—C17—C16102.30 (12)
C3—C2—H2B109.3C20—C17—H17A107.5
C1—C2—H2B109.3C13—C17—H17A107.5
H2A—C2—H2B108.0C16—C17—H17A107.5
O3—C3—C2109.98 (14)C13—C18—H18A109.5
O3—C3—C4106.45 (12)C13—C18—H18B109.5
C2—C3—C4112.99 (13)H18A—C18—H18B109.5
O3—C3—H3A109.1C13—C18—H18C109.5
C2—C3—H3A109.1H18A—C18—H18C109.5
C4—C3—H3A109.1H18B—C18—H18C109.5
C28—C4—C3108.55 (13)C10—C19—H19A109.5
C28—C4—C29106.96 (16)C10—C19—H19B109.5
C3—C4—C29108.45 (14)H19A—C19—H19B109.5
C28—C4—C5109.05 (13)C10—C19—H19C109.5
C3—C4—C5108.52 (13)H19A—C19—H19C109.5
C29—C4—C5115.14 (14)H19B—C19—H19C109.5
C6—C5—C4113.39 (13)C21—C20—C22109.46 (12)
C6—C5—C10108.84 (12)C21—C20—C17109.12 (12)
C4—C5—C10117.61 (12)C22—C20—C17111.61 (12)
C6—C5—H5A105.3C21—C20—H20A108.9
C4—C5—H5A105.3C22—C20—H20A108.9
C10—C5—H5A105.3C17—C20—H20A108.9
C7—C6—C5109.39 (14)O2—C21—O1121.94 (12)
C7—C6—H6A109.8O2—C21—C20122.99 (13)
C5—C6—H6A109.8O1—C21—C20115.06 (12)
C7—C6—H6B109.8C23—C22—C20113.39 (13)
C5—C6—H6B109.8C23—C22—H22A108.9
H6A—C6—H6B108.2C20—C22—H22A108.9
C8—C7—C6114.61 (13)C23—C22—H22B108.9
C8—C7—H7A108.6C20—C22—H22B108.9
C6—C7—H7A108.6H22A—C22—H22B107.7
C8—C7—H7B108.6C24—C23—C22113.12 (14)
C6—C7—H7B108.6C24—C23—H23A109.0
H7A—C7—H7B107.6C22—C23—H23A109.0
C9—C8—C7123.32 (14)C24—C23—H23B109.0
C9—C8—C14119.87 (13)C22—C23—H23B109.0
C7—C8—C14116.57 (12)H23A—C23—H23B107.8
C8—C9—C11121.45 (14)C25—C24—C23127.76 (14)
C8—C9—C10121.88 (13)C25—C24—H24A116.1
C11—C9—C10116.62 (12)C23—C24—H24A116.1
C9—C10—C1111.30 (13)C24—C25—C27122.20 (16)
C9—C10—C19106.40 (13)C24—C25—C26123.61 (17)
C1—C10—C19107.89 (13)C27—C25—C26114.19 (17)
C9—C10—C5107.84 (12)C25—C26—H26A109.5
C1—C10—C5107.95 (12)C25—C26—H26B109.5
C19—C10—C5115.50 (13)H26A—C26—H26B109.5
C9—C11—C12118.07 (12)C25—C26—H26C109.5
C9—C11—H11A107.8H26A—C26—H26C109.5
C12—C11—H11A107.8H26B—C26—H26C109.5
C9—C11—H11B107.8C25—C27—H27A109.5
C12—C11—H11B107.8C25—C27—H27B109.5
H11A—C11—H11B107.1H27A—C27—H27B109.5
C13—C12—C11110.63 (12)C25—C27—H27C109.5
C13—C12—H12A109.5H27A—C27—H27C109.5
C11—C12—H12A109.5H27B—C27—H27C109.5
C13—C12—H12B109.5C4—C28—H28A109.5
C11—C12—H12B109.5C4—C28—H28B109.5
H12A—C12—H12B108.1H28A—C28—H28B109.5
C12—C13—C18109.33 (12)C4—C28—H28C109.5
C12—C13—C17117.18 (11)H28A—C28—H28C109.5
C18—C13—C17110.19 (13)H28B—C28—H28C109.5
C12—C13—C14107.28 (12)C4—C29—H29A109.5
C18—C13—C14111.32 (12)C4—C29—H29B109.5
C17—C13—C14101.25 (11)H29A—C29—H29B109.5
C8—C14—C15118.41 (13)C4—C29—H29C109.5
C8—C14—C30105.21 (13)H29A—C29—H29C109.5
C15—C14—C30107.25 (13)H29B—C29—H29C109.5
C8—C14—C13111.32 (12)C14—C30—H30A109.5
C15—C14—C13101.18 (12)C14—C30—H30B109.5
C30—C14—C13113.73 (12)H30A—C30—H30B109.5
C14—C15—C16104.10 (12)C14—C30—H30C109.5
C14—C15—H15A110.9H30A—C30—H30C109.5
C16—C15—H15A110.9H30B—C30—H30C109.5
C14—C15—H15B110.9
C10—C1—C2—C3−58.31 (18)C11—C12—C13—C17−170.39 (13)
C1—C2—C3—O3−61.29 (17)C11—C12—C13—C14−57.48 (16)
C1—C2—C3—C457.51 (19)C9—C8—C14—C15−151.76 (16)
O3—C3—C4—C28−49.08 (18)C7—C8—C14—C1533.7 (2)
C2—C3—C4—C28−169.90 (15)C9—C8—C14—C3088.46 (17)
O3—C3—C4—C29−164.95 (14)C7—C8—C14—C30−86.04 (16)
C2—C3—C4—C2974.23 (17)C9—C8—C14—C13−35.2 (2)
O3—C3—C4—C569.31 (16)C7—C8—C14—C13150.34 (13)
C2—C3—C4—C5−51.51 (18)C12—C13—C14—C860.59 (15)
C28—C4—C5—C6−63.26 (19)C18—C13—C14—C8−58.98 (16)
C3—C4—C5—C6178.67 (14)C17—C13—C14—C8−176.07 (11)
C29—C4—C5—C656.93 (19)C12—C13—C14—C15−172.69 (12)
C28—C4—C5—C10168.18 (15)C18—C13—C14—C1567.73 (15)
C3—C4—C5—C1050.10 (18)C17—C13—C14—C15−49.35 (14)
C29—C4—C5—C10−71.63 (18)C12—C13—C14—C30−58.04 (16)
C4—C5—C6—C7162.20 (13)C18—C13—C14—C30−177.61 (13)
C10—C5—C6—C7−64.86 (17)C17—C13—C14—C3065.30 (15)
C5—C6—C7—C838.2 (2)C8—C14—C15—C16159.15 (14)
C6—C7—C8—C9−7.5 (2)C30—C14—C15—C16−82.13 (15)
C6—C7—C8—C14166.80 (14)C13—C14—C15—C1637.27 (15)
C7—C8—C9—C11179.99 (15)C14—C15—C16—C17−11.73 (17)
C14—C8—C9—C115.9 (2)C12—C13—C17—C20−77.28 (17)
C7—C8—C9—C102.6 (2)C18—C13—C17—C2048.55 (16)
C14—C8—C9—C10−171.46 (14)C14—C13—C17—C20166.46 (12)
C8—C9—C10—C1−146.20 (15)C12—C13—C17—C16157.72 (13)
C11—C9—C10—C136.34 (18)C18—C13—C17—C16−76.45 (14)
C8—C9—C10—C1996.51 (18)C14—C13—C17—C1641.45 (14)
C11—C9—C10—C19−80.96 (17)C15—C16—C17—C20−147.10 (14)
C8—C9—C10—C5−28.0 (2)C15—C16—C17—C13−18.60 (16)
C11—C9—C10—C5154.56 (14)C13—C17—C20—C2163.61 (16)
C2—C1—C10—C9170.77 (12)C16—C17—C20—C21−176.81 (13)
C2—C1—C10—C19−72.85 (16)C13—C17—C20—C22−175.29 (11)
C2—C1—C10—C552.61 (17)C16—C17—C20—C22−55.71 (17)
C6—C5—C10—C958.30 (17)C22—C20—C21—O2−49.73 (19)
C4—C5—C10—C9−171.02 (13)C17—C20—C21—O272.68 (18)
C6—C5—C10—C1178.66 (14)C22—C20—C21—O1131.25 (14)
C4—C5—C10—C1−50.65 (18)C17—C20—C21—O1−106.34 (15)
C6—C5—C10—C19−60.53 (18)C21—C20—C22—C23−64.01 (16)
C4—C5—C10—C1970.16 (18)C17—C20—C22—C23175.09 (13)
C8—C9—C11—C12−3.3 (2)C20—C22—C23—C24−177.61 (12)
C10—C9—C11—C12174.14 (14)C22—C23—C24—C25−97.4 (2)
C9—C11—C12—C1330.5 (2)C23—C24—C25—C27−179.74 (18)
C11—C12—C13—C1863.36 (17)C23—C24—C25—C26−0.1 (3)
D—H···AD—HH···AD···AD—H···A
O1—H1O1···O2i0.961.742.6762 (14)162
O3—H1O3···O2ii0.832.002.828 (2)172
C12—H12A···O10.992.553.367 (2)139
C22—H22A···O3iii0.992.363.276 (2)153
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
O1—H1O1⋯O2i0.961.742.6762 (14)162
O3—H1O3⋯O2ii0.832.002.828 (2)172
C12—H12A⋯O10.992.553.367 (2)139
C22—H22A⋯O3iii0.992.363.276 (2)153

Symmetry codes: (i) ; (ii) ; (iii) .

  3 in total

1.  3alpha-Hydroxytirucalla-7,24-dien-21-oic acid: a triterpene from Protium crenatum Sandwith.

Authors:  A J Mora; G Delgado; G Díaz de Delgado; A Usubillaga; N Khouri; A Bahsas
Journal:  Acta Crystallogr C       Date:  2001-05-15       Impact factor: 1.172

2.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

3.  Structure validation in chemical crystallography.

Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
  3 in total
  1 in total

1.  A cocrystal of 3α-hy-droxy-tirucalla-8,24-dien-21-oic acid and 3β-fluoro-tirucalla-7,24-dien-21-oic acid (0.897:0.103).

Authors:  S Yousuf; R S T Kamdem; P Wafo; B T Ngadjui; Hoong-Kun Fun
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-03-31
  1 in total

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