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Two Novel ent-Abietane Diterpenoids from Isodon xerophilus

✍ Scribed by Xue-Mei Niu; Sheng-Hong Li; Zhi Na; Zhong-Wen Lin; Han-Dong Sun

Publisher
John Wiley and Sons
Year
2004
Tongue
German
Weight
159 KB
Volume
87
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The tow novel ent‐abietane diterpenoids 1 and 2, named xerophilusins R and S, respectively (=(11__β__)‐6,11‐dihydroxy‐7,20‐dioxo‐ent‐abieta‐5,8(14),15(17)‐trien‐16‐oic acid δ‐lactone and (11__β__,15__S__)‐6,11,17‐trihydroxy‐7,20‐dioxo‐ent‐abieta‐5,8(14)‐dien‐16‐oic acid δ‐lactone, resp.), were isolated from Isodon xerophilus (C. J. Wu et H. W. LI) H. Hara. Their structures were established by spectroscopic means.

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