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Three New Sesquiterpenoids from the Aerial Parts of Homalomena occulta
Author(s) -
Wang YiFen,
Wang XianYou,
Lai GuoFang,
Lu ChunHua,
Luo ShiDe
Publication year - 2007
Publication title -
chemistry and biodiversity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.427
H-Index - 70
eISSN - 1612-1880
pISSN - 1612-1872
DOI - 10.1002/cbdv.200790081
Subject(s) - chemistry , antimicrobial , antibacterial activity , stereochemistry , botany , chromatography , bacteria , organic chemistry , biology , genetics
Three new eudesmane‐type sesquiterpenoids, compounds 1 – 3 , and eight known constituents, including mucrolidin ( 4 ), 1 β ,4 β ,7 α ‐trihydroxyeudesmane ( 5 ), 1 β ,4 β ,6 β ,11‐tetrahydroxyeudesmane ( 6 ), oplodiol ( 7 ), bullatantriol ( 8 ), acetylbullatantriol ( 9 ), homalomenol ( 10 ), and maristeminol ( 11 ), were isolated from the aerial parts of Homalomena occulta. Their structures were determined by interpretation of spectroscopic and mass‐spectrometric data, and their antimicrobial activities toward six different bacterial strains were tested. Most of the compounds showed weak antibacterial activities in an agar‐diffusion assay.