Crystal structure of 3,4a,7,7,10a-penta­methyl-3-vinyl­dodeca­hydro-1H-benzofchromen-9-ol isolated from Sideritis perfoliata

Çelik Í.; Ersanl? C.C.; Köseo?lu R.Ak?it H.Erenler R.Demirta? I.Akkurt M.

首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of 3,4a,7,7,10a-pentamethyl-3-vinyldodecahydro-1H-benzofchromen-9-ol isolated from Sideritis perfoliata

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Crystal structure of 3,4a,7,7,10a-pentamethyl-3-vinyldodecahydro-1H-benzofchromen-9-ol isolated from Sideritis perfoliata

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The asymmetric unit of the title compound, C20H34O2, contains two crystallographically independent molecules (1 and 2) with similar conformations. In both molecules, the cyclohexane rings adopt a chair conformation, while the oxane rings are also puckered. In the crystal, O—H⋯O hydrogen bonds connect adjacent molecules, forming C(6) helical chains located around a 21 screw axis and running along the crystallographic a axis. The packing of these chains is governed only by van der Waals interactions. Semi-empirical PM3 quantum chemical calculations are in a satisfactory agreement with the structural results of the X-ray structure analysis. The absolute structure was indeterminate in the present experiment.

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《Acta Crystallographica Section E: Crystallographic Communications》 |2016年第10期|1380-1382|共3页
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Çelik Í.; Ersanl? C.C.; Köseo?lu R.Ak?it H.Erenler R.Demirta? I.Akkurt M.;
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1. Crystal structure of 3,4a,7,7,10a-penta-methyl-3-vinyl-dodeca-hydro-1H-benzo[f]chromen-9-ol isolated from Sideritis perfoliata [J] . ?elik í., Ersanl? C.C., K?seo?lu R., Acta Crystallographica Section E: Crystallographic Communications . 2016,第10期

机译：分离自厚枝铁皮的3,4a，7,7,10a-五甲基-甲基-3-乙烯基-十二烷基-氢-1H-苯并[f] chromen-9-ol的晶体结构
2. Photo-induced transformations. Part 76. Ring expansion through a 2 + 2 photocycloaddition-beta;-scission sequence; the photorearrangement ofendo-4-cyanotricyclo6.4.0.0dodeca-1(12),6,8,10-tetraen-5-yl hypoiodite to 4-cyanotricyclo6.4.0.0dodeca-1 (12),6,8,10-tetraen-5-one.X-Ray crystal structure of 4-cyanotricyclo6.4.0.0dodeca-1(12),6,8,10-tetraen-5-one [J] . Hiroshi Suginome Journal of the Chemical Society, Perkin Transactions 1 . 1985,第1期

机译：Photo-induced transformations. Part 76. Ring expansion through a 2 + 2 photocycloaddition-beta;-scission sequence; the photorearrangement ofendo-4-cyanotricyclo6.4.0.0dodeca-1(12),6,8,10-tetraen-5-yl hypoiodite to 4-cyanotricyclo6.4.0.0dodeca-1 (12),6,8,10-tetraen-5-one.X-Ray crystal structure of 4-cyanotricyclo6.4.0.0dodeca-1(12),6,8,10-tetraen-5-one
3. ChemInform Abstract: Synthesis and Crystal Structure of 7,7,10‐Trimethyl‐7‐silabenzoaanthrone. [J] . V. M. POLOSIN, A. A. ASTAKHOV, M. A. RYASHENTSEVAV. A. TAFEENKO Chem Inform . 1998,第16期

机译：ChemInform Abstract: Synthesis and Crystal Structure of 7,7,10‐Trimethyl‐7‐silabenzoaanthrone.
4. Crystal structure of 3,4a,7,7,10a-pentamethyl-3-vinyldodecahydro-1H-benzo[f]chromen-9-ol isolated from Sideritis perfoliata [O] . Ísmail Çelik, Cem Cüneyt Ersanlı, Rahmi Köseoğlu, 2016

机译：从sideritis perfoliata分离的3,4a，7,7,10a-五甲基-3-乙烯基十二氢-1H-苯并[f]色烯-9-醇的晶体结构

Crystal structure of 3,4a,7,7,10a-penta­methyl-3-vinyl­dodeca­hydro-1H-benzofchromen-9-ol isolated from Sideritis perfoliata

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Crystal structure of 3,4a,7,7,10a-pentamethyl-3-vinyldodecahydro-1H-benzofchromen-9-ol isolated from Sideritis perfoliata