Chemical and Pharmaceutical Bulletin 2003-Sep
Two new macrocyclic diaryl ether heptanoids from Boswellia ovalifoliolata.
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Keywords
Abstract
The stems of Boswellia ovalifoliolata BAL. & HENRY (Burseraceae) afforded two new macrocyclic diaryl ether heptanoids, ovalifoliolatin A (1) and B (2) together with three known compounds; acerogenin C (3), 3 alpha-hydroxyurs-12-ene (4), and sitost-4-en-3-one (5). The structures were established by means of spectroscopic analysis and compounds 1, 3-5 were evaluated for their antibacterial activity.
