Crystal structure of (3S,4S,4aS,5R 6R,6aS,7R,11aS,11 bR*)-5,6-bis(benzoyloxy)-3,4a-dihydroxy-4,7,11b- trimethyl-1,2,3,4,4a,5,6,6a,7,11,11a,-11b-dodecahydrophenanthro[3,2-Mfuran-4-carboxylic acid methanol monosolvate

被引：1

作者：

Siddiqui, Sadaf ^{[1
]}

Erharuyi, Osayemwenre ^{[2
]}

Falodun, Abiodun ^{[2
]}

Choudhary, M. Iqbal ^{[1
,3
]}

Yousuf, Sammer ^{[1
]}

机构：

[1] Univ Karachi, HEJ Res Inst Chem, Int Ctr Chem & Biol Sci, Karachi 75270, Pakistan

[2] Univ Benin, Fac Pharm, Dept Pharmaceut Chem, Benin, Nigeria

[3] King Abdulaziz Univ, Fac Sci, Dept Biochem, Jeddah 21412, Saudi Arabia

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2015年 / 71卷

关键词：

crystal structure; diterpenoid; Caesalpinia pulcherrima; Pulcherrimin A; hydrogen bonding;

D O I：

10.1107/S2056989015016461

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The title compound, C34H36O9 center dot CH3OH, is a diterpenoid isolated from the roots of Caesalpinia pulcherrima (L.) Swartz. The three trans-fused six -membered rings are in chair, chair and half-chair conformations. The mean plane of this fused-ring system makes dihedral angles of 67.95 (15) and 83.72 (14)degrees with the two phenyl rings of the benzoyloxy groups. An intramolecular C-H center dot center dot center dot O hydrogen bond is observed. In the crystal, molecules are linked via O-H center dot center dot center dot O hydrogen bonds, forming an infinite chain along the b-axis direction.

引用

页码：O739 / U331

页数：12

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Crystal structure of (3S*,4S*,4aS*,5R* 6R*,6aS*,7R*,11aS*,11 bR*)-5,6-bis(benzoyloxy)-3,4a-dihydroxy-4,7,11b- trimethyl-1,2,3,4,4a,5,6,6a,7,11,11a,-11b-dodecahydrophenanthro[3,2-Mfuran-4-carboxylic acid methanol monosolvate

Crystal structure of (3S,4S,4aS,5R 6R,6aS,7R,11aS,11 bR*)-5,6-bis(benzoyloxy)-3,4a-dihydroxy-4,7,11b- trimethyl-1,2,3,4,4a,5,6,6a,7,11,11a,-11b-dodecahydrophenanthro[3,2-Mfuran-4-carboxylic acid methanol monosolvate