rac-[3-Hydroxy-6,9-dimethyl-6-(4-methylpent-3-en-1-yl)-6a, 7,8,9,10,10a-hexahydro-6H-1,9-epoxybenzo[c]]chromen-4-yl](phenyl)methanone

被引：1

作者：

Ee, Gwendoline Cheng Lian ^{[1
]}

Teh, Soek Sin ^{[1
]}

Kwong, Huey Chong ^{[1
]}

Tahir, Mohamed Ibrahim Mohamed ^{[1
]}

Mah, Siau Hui ^{[2
]}

机构：

[1] Univ Putra Malaysia, Fac Sci, Dept Chem, Upm Serdang 43400, Selangor, Malaysia

[2] Univ Putra Malaysia, Fac Sci, Dept Chem, Upm Serdang 43400, Selangor, Malaysia

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2012年 / 68卷

关键词：

D O I：

10.1107/S1600536812010756

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The title compound congestiflorone, C28H32O4, which was isolated from the stem bark of Mesua congestiflora, consists of a benzophenone skeleton with two attached pyran rings to which a cyclohexane ring and a C-6 side chain are bonded. The benzene ring is significantly distorted from planarity (r.m.s. deviation = 0.0007 angstrom) due to the constraints imposed by junctions with the two pyran rings. The cyclohexane ring is in a chair conformation, one pyran ring is in a boat conformation, while the other is a distorted chair. The phenyl and benzene rings make a dihedral angle of 55.85 (9)degrees. An intramolecular O-H center dot center dot center dot O hydrogen bond is observed. In the crystal, molecules are linked via C-H center dot center dot center dot O interactions.

引用

页码：O1091 / +

页数：10

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