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New N‐Containing Sesquiterpenes from Hainan Marine Sponge Axinyssa sp.
Author(s) -
Li ZhenYu,
Yu ZhiGuo,
Guo YueWei
Publication year - 2008
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.200890168
Subject(s) - chemistry , sponge , sesquiterpene , formamide , stereochemistry , terpene , terpenoid , organic chemistry , botany , biology
Abstract Three new N‐containing sesquiterpenes, isofarnesyl formamide ( 2 ), 7‐formamido‐7,8‐dihydro‐ α ‐bisabolane ( 3 ), 4,5‐epi‐10‐isothiocyanatoisodauc‐6‐ene ( 4 ), and a known sesquiterpene, farnesyl formamide ( 1 ), were isolated from the Hainan marine sponge Axinyssa sp. The structures of the new compounds were elucidated by detailed analyses of their spectroscopic data and by comparison of their NMR data with those of structurally related compounds.