✦ LIBER ✦

Euphorbia Factor L2: an ester of 7-hydroxylathyrol

✍ Scribed by Jiao, Wei ;Mao, Zhi-hua ;Lu, Run-hua

Book ID: 104492386
Publisher: International Union of Crystallography
Year: 2007
Tongue: English
Weight: 905 KB
Volume: 63
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536807055900

No coin nor oath required. For personal study only.

✦ Synopsis

In the crystal structure of the title macrocyclic diterpenoid [systematic name: (2S*,3S*,4R*,5R*,7R*,9S*,11S*,15R*)-5,15-diacetoxy-14-oxolathyra-6(17),12(E)-diene-3,7-diyl dibenzoate], C 38 H 42 O 9 , the molecule exhibits the tricyclic terpenoid skeleton of lathyrane, consisting of fused five-, 11and three-membered rings. The five-membered ring adopts an envelope conformation. Intra-and intermolecular weak C-HÁ Á ÁO hydrogen bonding helps to stabilize the crystal structure. Related literature For general background, see: Bicchi, et al. (2001); For a related structure, see: Appendino et al. (1999).

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