Literature DB >> 21582805

1-(3-Phenyl-isoxazol-5-yl)cyclo-hexane-1,2-diol.

Luis Astudillo, Iván Brito, Gabriel Vallejos, Margarita Gutíerrez, Matías López-Rodríguez.   

Abstract

In the title compound, C(15)H(17)NO(3), there are two mol-ecules in the asymmetric unit wherein the isoxazole rings make dihedral angles of 16.16 (15) and 16.79 (13)° with the benzene rings, and the cyclo-hexane rings adopt chair conformations. In both mol-ecules, the hydroxyl groups of the diol fragments are cis oriented, the O-C-C-O torsion angles being 60.76 (12) and -55.86 (11)°. The two mol-ecules are linked by a strong O-H⋯N hydrogen bond and the crystal packing is stabilized by one O-H⋯N and two O-H⋯O hydrogen bonds. An intra-molecular O-H⋯O hydrogen bond is observed in one of the mol-ecules.

Entities:  

Year:  2009        PMID: 21582805      PMCID: PMC2969214          DOI: 10.1107/S1600536809020947

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


Related literature

For the uses of potassium permanganate in functional group inter­conversion inorganic chemistry, see: Singh & Lee (2001 ▶). For the use of permanganate in the preparation of natural products, see: Brown et al. (2008 ▶); Morris et al. (2009 ▶). For isoxazoles as versatile building blocks in organic synthesis, see: Melo (2005 ▶). For the synthesis, see: Hansen et al. (2005 ▶). For a related structure, see: Vallejos et al. (2009 ▶). For puckering parameters, see: Cremer & Pople (1975 ▶).

Experimental

Crystal data

C15H17NO3 M = 259.3 Triclinic, a = 9.4894 (17) Å b = 11.5593 (15) Å c = 14.0083 (13) Å α = 73.02 (2)° β = 81.62 (4)° γ = 66.71 (5)° V = 1349.0 (3) Å3 Z = 4 Mo Kα radiation μ = 0.09 mm−1 T = 298 K 0.21 × 0.10 × 0.09 mm

Data collection

Nonius KappaCCD area-detector diffractometer Absorption correction: none 10826 measured reflections 5863 independent reflections 4447 reflections with I > 2σ(I) R int = 0.074

Refinement

R[F 2 > 2σ(F 2)] = 0.063 wR(F 2) = 0.168 S = 1.14 5863 reflections 347 parameters H-atom parameters constrained Δρmax = 0.24 e Å−3 Δρmin = −0.19 e Å−3 Data collection: COLLECT (Nonius, 2000 ▶); cell refinement: DENZO-SMN (Otwinowski & Minor, 1997 ▶); data reduction: DENZO-SMN; program(s) used to solve structure: SIR97 (Altomare et al., 1999 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997 ▶) and PLATON (Spek, 2009 ▶); software used to prepare material for publication: WinGX (Farrugia, 1999 ▶). Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536809020947/pv2162sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536809020947/pv2162Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C15H17NO3Z = 4
Mr = 259.3F(000) = 552
Triclinic, P1Dx = 1.277 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71069 Å
a = 9.4894 (17) ÅCell parameters from 5863 reflections
b = 11.5593 (15) Åθ = 1.9–27.1°
c = 14.0083 (13) ŵ = 0.09 mm1
α = 73.02 (2)°T = 298 K
β = 81.62 (4)°Block, yellow
γ = 66.71 (5)°0.21 × 0.10 × 0.09 mm
V = 1349.0 (3) Å3
Nonius KappaCCD area-detector diffractometer4447 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.074
graphiteθmax = 27.1°, θmin = 2.0°
φ scans, and ω scans with κ offsetsh = 0→12
10826 measured reflectionsk = −13→14
5863 independent reflectionsl = −17→17
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.063Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.168H-atom parameters constrained
S = 1.14w = 1/[σ2(Fo2) + (0.0709P)2 + 0.2904P] where P = (Fo2 + 2Fc2)/3
5863 reflections(Δ/σ)max < 0.001
347 parametersΔρmax = 0.24 e Å3
0 restraintsΔρmin = −0.19 e Å3
Experimental. Melting points were recorded on an Electrothermal 9100 instrument and are uncorrected; IR spectra were obtained on a Nicolet Nexus 470-FTIR spectrometer as potassium bromide pellets and are reported in wavenumbers (cm-1). 1H and 13CNMR spectra were measured on a Bruker AM-400 spectrometer (400 MHz), using CDCl3 as solvent. TMS was used as an internal standard. Chemical shifts (d) and J values are reported in p.p.m. and Hz, respectively. Reaction progress was monitored by means of thin-layer chromatography using Merck Kieselgel 60 (230–240 mesh). All reagents were purchased from Merck, Sigma and Aldrich Chemical Co. and used without further purification. Solvents were dried and distilled prior to use.5-Cyclohex-1-enyl-3-phenylisoxazole1: mp 361 (2) K. RMN-1H (CDCl3, 400 MHz, δ): 7,82 (2H, dd, J: 8,0 and 4,0); 7,45 (1H, m); 7,45 (2H, m); 6,67 (1H, br.s); 6,39 (1H, s); 2,40 (2H, m); 2,28 (2H, m); 1,80 (2H, m); 1,70 (2H, m). RMN-13C (CDCl3, 100 MHz, δ): 171.65, 162.44, 130.22, 129.79, 129.49, 128.85, 128.85, 126.77, 126.77, 125.41, 96.18, 25.44, 25.24, 22.12, 21.74.The title compound (II): mp 418 (2) K. RMN-1H (CDCl3, 400 MHz, δ): 7,93 (2H, m); 7,59 (3H, m); 6,82 (1H, s); 4,13 (1H, dd, J = 12 and 4); 1,97 (8H, m). RMN-13C (CDCl3,100 MHz, δ): 177.83, 161.86, 129.48, 128.42, 128.35, 128.35, 126.17, 126.17, 99.13, 73.28, 71.94, 35.11, 28.96, 23.26, 19.60. FT–IR (KBr pellet, cm-1): ν 3395, 2940, 2863, 1598, 1468, 1404.
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'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 > 2σ(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
O10.62628 (16)0.34815 (14)−0.02283 (11)0.0506 (4)
O20.93980 (15)0.08165 (12)0.11711 (11)0.0402 (4)
H21.00990.1090.10250.06*
O30.91802 (15)0.33990 (12)0.08949 (10)0.0389 (4)
H30.92140.40030.10720.058*
O40.26135 (18)0.12795 (13)−0.00370 (11)0.0484 (4)
O5−0.00749 (16)0.44685 (13)−0.11911 (10)0.0426 (4)
H5−0.03040.4079−0.0640.064*
O60.29277 (15)0.42716 (11)−0.16284 (10)0.0360 (3)
H60.38370.4082−0.15430.054*
N10.6074 (2)0.38177 (19)−0.12650 (14)0.0529 (5)
N20.2639 (2)0.08580 (17)0.10155 (13)0.0482 (5)
C10.7962 (2)0.18899 (17)0.10844 (14)0.0323 (4)
C20.6772 (3)0.1367 (2)0.17032 (16)0.0455 (5)
H2A0.5760.20480.15960.055*
H2B0.67810.06480.14760.055*
C30.7075 (3)0.0904 (2)0.28125 (18)0.0549 (6)
H3A0.62560.06390.31770.066*
H3B0.8030.01520.29330.066*
C40.7175 (3)0.1971 (3)0.31908 (18)0.0616 (7)
H4A0.74440.16310.38870.074*
H4B0.61820.26810.31450.074*
C50.8374 (3)0.2482 (2)0.25845 (16)0.0486 (6)
H5A0.83850.31890.28190.058*
H5B0.93820.17910.2680.058*
C60.8032 (2)0.29647 (17)0.14842 (14)0.0334 (4)
H6A0.70370.36940.13920.04*
C70.7557 (2)0.24037 (17)0.00041 (15)0.0331 (4)
C80.8209 (2)0.20197 (17)−0.08249 (14)0.0346 (4)
H80.90950.1303−0.08750.042*
C90.7250 (2)0.29443 (19)−0.16047 (15)0.0378 (5)
C100.7449 (2)0.3044 (2)−0.26858 (16)0.0437 (5)
C110.8477 (3)0.2006 (3)−0.30373 (18)0.0608 (7)
H110.90120.1227−0.25880.073*
C120.8715 (4)0.2119 (4)−0.4055 (2)0.0849 (9)
H120.94090.1421−0.4290.102*
C130.7913 (5)0.3277 (4)−0.4720 (2)0.0929 (11)
H130.80730.3359−0.54030.111*
C140.6878 (4)0.4311 (4)−0.4375 (2)0.0854 (10)
H140.63360.5085−0.48260.102*
C150.6643 (3)0.4202 (3)−0.3370 (2)0.0629 (7)
H150.59420.4904−0.31420.075*
C160.2624 (2)0.31090 (16)−0.14292 (14)0.0303 (4)
C170.0942 (2)0.35473 (18)−0.17172 (14)0.0343 (4)
H170.06570.2781−0.15370.041*
C180.0737 (2)0.4167 (2)−0.28265 (15)0.0412 (5)
H18A0.09240.4972−0.30020.049*
H18B−0.03140.438−0.29840.049*
C190.1827 (3)0.3262 (2)−0.34394 (17)0.0520 (6)
H19A0.17080.3705−0.41440.062*
H19B0.15670.2498−0.33180.062*
C200.3488 (3)0.2838 (2)−0.31744 (16)0.0493 (6)
H20A0.3780.3592−0.3360.059*
H20B0.4150.2227−0.3550.059*
C210.3705 (2)0.22007 (19)−0.20610 (15)0.0407 (5)
H21A0.47610.1977−0.19080.049*
H21B0.35080.1401−0.18890.049*
C220.2762 (2)0.24539 (17)−0.03319 (14)0.0329 (4)
C230.2892 (2)0.28088 (18)0.04736 (14)0.0347 (4)
H230.3010.35660.04850.042*
C240.2811 (2)0.17773 (18)0.13034 (15)0.0353 (4)
C250.2852 (2)0.16502 (19)0.23812 (15)0.0379 (5)
C260.2603 (3)0.2727 (2)0.27237 (17)0.0526 (6)
H260.24190.35370.22730.063*
C270.2626 (3)0.2598 (3)0.37386 (18)0.0667 (7)
H270.24580.33240.39650.08*
C280.2896 (3)0.1406 (3)0.44105 (18)0.0661 (7)
H280.29120.13250.5090.079*
C290.3143 (3)0.0333 (3)0.40761 (18)0.0659 (7)
H290.3331−0.04760.4530.079*
C300.3113 (3)0.0452 (2)0.30692 (17)0.0509 (6)
H300.327−0.02770.2850.061*
U11U22U33U12U13U23
O10.0387 (8)0.0564 (9)0.0423 (10)0.0013 (7)−0.0070 (7)−0.0159 (7)
O20.0374 (8)0.0297 (7)0.0493 (9)−0.0067 (6)−0.0041 (7)−0.0111 (6)
O30.0488 (8)0.0377 (7)0.0382 (8)−0.0244 (7)0.0061 (6)−0.0136 (6)
O40.0746 (11)0.0373 (8)0.0361 (9)−0.0270 (7)−0.0048 (7)−0.0037 (6)
O50.0376 (8)0.0449 (8)0.0347 (9)−0.0076 (6)0.0039 (6)−0.0083 (6)
O60.0363 (7)0.0292 (7)0.0428 (9)−0.0127 (6)−0.0061 (6)−0.0066 (6)
N10.0414 (11)0.0634 (12)0.0424 (12)−0.0062 (9)−0.0125 (9)−0.0105 (9)
N20.0678 (13)0.0428 (10)0.0324 (10)−0.0244 (9)−0.0056 (9)−0.0002 (8)
C10.0316 (10)0.0282 (9)0.0366 (11)−0.0097 (8)−0.0005 (8)−0.0096 (8)
C20.0449 (12)0.0450 (11)0.0502 (14)−0.0237 (10)−0.0007 (10)−0.0080 (10)
C30.0565 (14)0.0565 (13)0.0504 (15)−0.0330 (12)0.0049 (11)0.0019 (11)
C40.0812 (18)0.0710 (16)0.0356 (14)−0.0389 (14)0.0104 (12)−0.0091 (12)
C50.0709 (15)0.0504 (12)0.0323 (12)−0.0313 (12)−0.0010 (10)−0.0102 (10)
C60.0379 (11)0.0331 (9)0.0303 (11)−0.0153 (8)0.0044 (8)−0.0095 (8)
C70.0317 (10)0.0306 (9)0.0384 (12)−0.0113 (8)−0.0046 (8)−0.0099 (8)
C80.0367 (11)0.0319 (9)0.0360 (12)−0.0120 (8)−0.0031 (9)−0.0100 (8)
C90.0345 (11)0.0415 (11)0.0413 (12)−0.0184 (9)−0.0049 (9)−0.0090 (9)
C100.0466 (12)0.0580 (13)0.0354 (12)−0.0322 (11)−0.0065 (10)−0.0048 (10)
C110.0778 (18)0.0710 (16)0.0418 (15)−0.0347 (14)−0.0020 (12)−0.0168 (12)
C120.116 (3)0.112 (3)0.0461 (18)−0.058 (2)0.0105 (17)−0.0336 (18)
C130.138 (3)0.140 (3)0.0335 (17)−0.094 (3)−0.0026 (19)−0.012 (2)
C140.111 (3)0.106 (2)0.0452 (18)−0.064 (2)−0.0234 (17)0.0146 (17)
C150.0673 (17)0.0697 (16)0.0512 (16)−0.0345 (14)−0.0148 (13)0.0040 (13)
C160.0343 (10)0.0267 (9)0.0299 (11)−0.0122 (8)−0.0009 (8)−0.0060 (8)
C170.0353 (10)0.0364 (10)0.0326 (11)−0.0153 (8)0.0002 (8)−0.0086 (8)
C180.0408 (12)0.0500 (12)0.0346 (12)−0.0195 (10)−0.0085 (9)−0.0066 (9)
C190.0661 (16)0.0640 (14)0.0348 (13)−0.0294 (12)−0.0014 (11)−0.0185 (11)
C200.0551 (14)0.0544 (13)0.0376 (13)−0.0178 (11)0.0100 (10)−0.0198 (11)
C210.0422 (12)0.0364 (10)0.0413 (13)−0.0113 (9)0.0041 (9)−0.0142 (9)
C220.0319 (10)0.0275 (9)0.0352 (11)−0.0086 (8)−0.0029 (8)−0.0047 (8)
C230.0356 (11)0.0332 (10)0.0335 (11)−0.0119 (8)−0.0040 (8)−0.0056 (8)
C240.0278 (10)0.0364 (10)0.0352 (12)−0.0080 (8)−0.0015 (8)−0.0052 (8)
C250.0303 (10)0.0426 (11)0.0320 (12)−0.0088 (9)−0.0005 (8)−0.0038 (9)
C260.0677 (16)0.0437 (12)0.0361 (13)−0.0136 (11)−0.0033 (11)−0.0046 (10)
C270.095 (2)0.0624 (15)0.0375 (15)−0.0225 (15)−0.0020 (13)−0.0152 (12)
C280.0800 (19)0.0768 (18)0.0289 (13)−0.0212 (15)−0.0005 (12)−0.0077 (12)
C290.0844 (19)0.0591 (15)0.0358 (14)−0.0216 (14)0.0008 (13)0.0058 (11)
C300.0589 (15)0.0455 (12)0.0404 (14)−0.0171 (11)−0.0002 (11)−0.0037 (10)
O1—C71.355 (2)C12—C131.382 (5)
O1—N11.408 (2)C12—H120.93
O2—C11.426 (2)C13—C141.377 (5)
O2—H20.82C13—H130.93
O3—C61.432 (2)C14—C151.369 (4)
O3—H30.82C14—H140.93
O4—C221.356 (2)C15—H150.93
O4—N21.412 (2)C16—C221.501 (3)
O5—C171.431 (2)C16—C211.538 (3)
O5—H50.82C16—C171.547 (3)
O6—C161.425 (2)C17—C181.515 (3)
O6—H60.82C17—H170.98
N1—C91.314 (3)C18—C191.521 (3)
N2—C241.314 (3)C18—H18A0.97
C1—C71.501 (3)C18—H18B0.97
C1—C21.530 (3)C19—C201.522 (3)
C1—C61.531 (2)C19—H19A0.97
C2—C31.519 (3)C19—H19B0.97
C2—H2A0.97C20—C211.523 (3)
C2—H2B0.97C20—H20A0.97
C3—C41.517 (3)C20—H20B0.97
C3—H3A0.97C21—H21A0.97
C3—H3B0.97C21—H21B0.97
C4—C51.524 (3)C22—C231.345 (3)
C4—H4A0.97C23—C241.420 (3)
C4—H4B0.97C23—H230.93
C5—C61.514 (3)C24—C251.478 (3)
C5—H5A0.97C25—C261.385 (3)
C5—H5B0.97C25—C301.388 (3)
C6—H6A0.98C26—C271.388 (3)
C7—C81.343 (3)C26—H260.93
C8—C91.415 (3)C27—C281.372 (4)
C8—H80.93C27—H270.93
C9—C101.475 (3)C28—C291.376 (4)
C10—C111.383 (3)C28—H280.93
C10—C151.397 (3)C29—C301.380 (3)
C11—C121.386 (4)C29—H290.93
C11—H110.93C30—H300.93
C7—O1—N1108.43 (15)C13—C14—H14119.9
C1—O2—H2109.5C14—C15—C10120.4 (3)
C6—O3—H3109.5C14—C15—H15119.8
C22—O4—N2108.55 (14)C10—C15—H15119.8
C17—O5—H5109.5O6—C16—C22109.15 (14)
C16—O6—H6109.5O6—C16—C21110.93 (15)
C9—N1—O1105.42 (17)C22—C16—C21111.75 (15)
C24—N2—O4105.51 (15)O6—C16—C17106.02 (14)
O2—C1—C7108.33 (15)C22—C16—C17109.02 (15)
O2—C1—C2107.01 (15)C21—C16—C17109.80 (15)
C7—C1—C2110.19 (16)O5—C17—C18108.31 (16)
O2—C1—C6111.29 (15)O5—C17—C16110.79 (15)
C7—C1—C6110.53 (15)C18—C17—C16111.75 (16)
C2—C1—C6109.43 (16)O5—C17—H17108.6
C3—C2—C1112.45 (17)C18—C17—H17108.6
C3—C2—H2A109.1C16—C17—H17108.6
C1—C2—H2A109.1C17—C18—C19111.44 (18)
C3—C2—H2B109.1C17—C18—H18A109.3
C1—C2—H2B109.1C19—C18—H18A109.3
H2A—C2—H2B107.8C17—C18—H18B109.3
C4—C3—C2111.14 (18)C19—C18—H18B109.3
C4—C3—H3A109.4H18A—C18—H18B108
C2—C3—H3A109.4C18—C19—C20111.25 (17)
C4—C3—H3B109.4C18—C19—H19A109.4
C2—C3—H3B109.4C20—C19—H19A109.4
H3A—C3—H3B108C18—C19—H19B109.4
C3—C4—C5110.92 (19)C20—C19—H19B109.4
C3—C4—H4A109.5H19A—C19—H19B108
C5—C4—H4A109.5C19—C20—C21111.04 (18)
C3—C4—H4B109.5C19—C20—H20A109.4
C5—C4—H4B109.5C21—C20—H20A109.4
H4A—C4—H4B108C19—C20—H20B109.4
C6—C5—C4110.94 (19)C21—C20—H20B109.4
C6—C5—H5A109.5H20A—C20—H20B108
C4—C5—H5A109.5C20—C21—C16111.55 (16)
C6—C5—H5B109.5C20—C21—H21A109.3
C4—C5—H5B109.5C16—C21—H21A109.3
H5A—C5—H5B108C20—C21—H21B109.3
O3—C6—C5111.89 (16)C16—C21—H21B109.3
O3—C6—C1107.13 (14)H21A—C21—H21B108
C5—C6—C1111.39 (15)C23—C22—O4109.57 (17)
O3—C6—H6A108.8C23—C22—C16134.23 (16)
C5—C6—H6A108.8O4—C22—C16115.99 (15)
C1—C6—H6A108.8C22—C23—C24105.08 (16)
C8—C7—O1109.78 (17)C22—C23—H23127.5
C8—C7—C1133.69 (17)C24—C23—H23127.5
O1—C7—C1116.53 (16)N2—C24—C23111.28 (17)
C7—C8—C9104.88 (17)N2—C24—C25119.46 (17)
C7—C8—H8127.6C23—C24—C25129.24 (17)
C9—C8—H8127.6C26—C25—C30118.9 (2)
N1—C9—C8111.47 (19)C26—C25—C24120.66 (18)
N1—C9—C10119.76 (19)C30—C25—C24120.47 (18)
C8—C9—C10128.74 (19)C25—C26—C27120.1 (2)
C11—C10—C15119.1 (2)C25—C26—H26119.9
C11—C10—C9120.4 (2)C27—C26—H26119.9
C15—C10—C9120.5 (2)C28—C27—C26120.4 (2)
C10—C11—C12120.4 (3)C28—C27—H27119.8
C10—C11—H11119.8C26—C27—H27119.8
C12—C11—H11119.8C27—C28—C29119.8 (2)
C13—C12—C11119.6 (3)C27—C28—H28120.1
C13—C12—H12120.2C29—C28—H28120.1
C11—C12—H12120.2C28—C29—C30120.2 (2)
C14—C13—C12120.4 (3)C28—C29—H29119.9
C14—C13—H13119.8C30—C29—H29119.9
C12—C13—H13119.8C29—C30—C25120.6 (2)
C15—C14—C13120.2 (3)C29—C30—H30119.7
C15—C14—H14119.9C25—C30—H30119.7
C7—O1—N1—C9−0.3 (2)C9—C10—C15—C14177.2 (2)
C22—O4—N2—C24−0.5 (2)O6—C16—C17—O5−55.87 (18)
O2—C1—C2—C365.7 (2)C22—C16—C17—O561.51 (18)
C7—C1—C2—C3−176.76 (16)C21—C16—C17—O5−175.77 (14)
C6—C1—C2—C3−55.0 (2)O6—C16—C17—C1865.02 (18)
C1—C2—C3—C455.1 (3)C22—C16—C17—C18−177.60 (14)
C2—C3—C4—C5−55.0 (3)C21—C16—C17—C18−54.87 (19)
C3—C4—C5—C656.5 (3)O5—C17—C18—C19177.89 (16)
C4—C5—C6—O3−177.55 (17)C16—C17—C18—C1955.6 (2)
C4—C5—C6—C1−57.7 (2)C17—C18—C19—C20−55.8 (2)
O2—C1—C6—O360.75 (19)C18—C19—C20—C2156.1 (2)
C7—C1—C6—O3−59.67 (19)C19—C20—C21—C16−56.4 (2)
C2—C1—C6—O3178.80 (16)O6—C16—C21—C20−61.6 (2)
O2—C1—C6—C5−61.9 (2)C22—C16—C21—C20176.34 (15)
C7—C1—C6—C5177.67 (16)C17—C16—C21—C2055.2 (2)
C2—C1—C6—C556.1 (2)N2—O4—C22—C230.4 (2)
N1—O1—C7—C8−0.5 (2)N2—O4—C22—C16−174.98 (15)
N1—O1—C7—C1179.87 (14)O6—C16—C22—C2310.7 (3)
O2—C1—C7—C84.2 (3)C21—C16—C22—C23133.8 (2)
C2—C1—C7—C8−112.5 (2)C17—C16—C22—C23−104.7 (2)
C6—C1—C7—C8126.4 (2)O6—C16—C22—O4−175.34 (15)
O2—C1—C7—O1−176.22 (14)C21—C16—C22—O4−52.3 (2)
C2—C1—C7—O167.0 (2)C17—C16—C22—O469.3 (2)
C6—C1—C7—O1−54.0 (2)O4—C22—C23—C24−0.2 (2)
O1—C7—C8—C91.01 (19)C16—C22—C23—C24174.04 (19)
C1—C7—C8—C9−179.40 (18)O4—N2—C24—C230.4 (2)
O1—N1—C9—C81.0 (2)O4—N2—C24—C25178.74 (16)
O1—N1—C9—C10−177.26 (15)C22—C23—C24—N2−0.1 (2)
C7—C8—C9—N1−1.3 (2)C22—C23—C24—C25−178.28 (18)
C7—C8—C9—C10176.78 (17)N2—C24—C25—C26−161.9 (2)
N1—C9—C10—C11−166.5 (2)C23—C24—C25—C2616.1 (3)
C8—C9—C10—C1115.6 (3)N2—C24—C25—C3016.9 (3)
N1—C9—C10—C1515.8 (3)C23—C24—C25—C30−165.0 (2)
C8—C9—C10—C15−162.2 (2)C30—C25—C26—C270.4 (3)
C15—C10—C11—C120.7 (3)C24—C25—C26—C27179.3 (2)
C9—C10—C11—C12−177.1 (2)C25—C26—C27—C280.0 (4)
C10—C11—C12—C13−0.2 (4)C26—C27—C28—C29−0.1 (4)
C11—C12—C13—C14−0.4 (5)C27—C28—C29—C30−0.3 (4)
C12—C13—C14—C150.5 (5)C28—C29—C30—C250.7 (4)
C13—C14—C15—C100.0 (4)C26—C25—C30—C29−0.8 (3)
C11—C10—C15—C14−0.5 (3)C24—C25—C30—C29−179.6 (2)
D—H···AD—HH···AD···AD—H···A
O2—H2···O30.822.422.822 (2)111
O6—H6···N10.822.102.915 (3)173
O2—H2···N2i0.822.323.070 (3)153
O3—H3···O5ii0.822.273.054 (2)159
O5—H5···O3iii0.822.122.923 (3)167
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
O2—H2⋯O30.822.422.822 (2)111
O2—H2⋯N2i0.822.323.070 (3)153
O3—H3⋯O5ii0.822.273.054 (2)159
O5—H5⋯O3iii0.822.122.923 (3)167
O6—H6⋯N10.822.102.915 (3)173

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

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

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Authors:  Trond V Hansen; Peng Wu; Valery V Fokin
Journal:  J Org Chem       Date:  2005-09-16       Impact factor: 4.354

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Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2009-03-28

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Authors:  Lynda J Brown; Ian B Spurr; Stephen C Kemp; Nicholas P Camp; Karl R Gibson; Richard C D Brown
Journal:  Org Lett       Date:  2008-05-20       Impact factor: 6.005

5.  Oxidative cyclization reactions of trienes and dienynes: total synthesis of membrarollin.

Authors:  Claire L Morris; Yulai Hu; Geoff D Head; Lynda J Brown; William G Whittingham; Richard C D Brown
Journal:  J Org Chem       Date:  2009-02-06       Impact factor: 4.354

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Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
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