化学
三萜类
油酸烷
霍帕诺类
萜烯
有机化学
立体化学
三萜
烃源岩
地质学
医学
构造盆地
病理
古生物学
替代医学
作者
George A. Wolff,Jean M. Trendel,Pierre Albrecht
出处
期刊:Tetrahedron
[Elsevier BV]
日期:1989-01-01
卷期号:45 (21): 6721-6728
被引量:108
标识
DOI:10.1016/s0040-4020(01)89142-0
摘要
Three monoaromatic pentacyclic triterpenoids of the lupane, ursane and oleanane series, and a monoaromatic tetracyclic triterpenoid of the lupane series have been synthesised and shown to occur in several geological samples. Such compounds arise by microbial degradation of their respective 3-oxy-precursors.
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