New phenolic and quinone-methide triterpenes from Maytenus amazonica

H. Chávez, A. Estévez-Braun, A. G. Ravelo, A. G. González

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The new nortriterpene methylene quinones amazoquinone (1) and (7S,8S)- 7-hydroxy-7,8-dihydro-tingenone (2), and the new norphenolic triterpenes 7,8- dihydro-6-oxo-tingenol (3), 23-nor-6-oxo-tingenol (4), and 23-oxo-iso- tingenone (5) were isolated from Maytenus amazonica. Their structures were elucidated by spectroscopic methods. Compounds 1, 2, 3, and 5 showed low antitumor activity against four cancer cell lines.

Original languageEnglish
Pages (from-to)434-436
Number of pages3
JournalJournal of Natural Products
Volume62
Issue number3
DOIs
StatePublished - Mar 1999
Externally publishedYes

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