Bauer-7-en-3beta-yl acetate: a major constituent of unusual samples of Brazilian propolis

[摘要] The pentacyclic triterpenoid bauer-7-en-3b-yl acetate was obtained from the chloroform extract of an unusual sample of propolis from southeast Brazil with the yield of 7%. The compound was identified by comparison of IR, MS and NMR analysis with published data.

[学科分类] 化学（综合）

[关键词] propolis;triterpenoids;bauer-7-en-3b-yl acetate.