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Kopsifolines A–F: a New Structural Class of Monoterpenoid Indole Alkaloids from Kopsia
Author(s) -
Kam TohSeok,
Choo YeunMun
Publication year - 2004
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.200490092
Subject(s) - chemistry , indole test , carbon skeleton , stereochemistry , apocynaceae , organic chemistry , botany , biology
Six new indole alkaloids, named kopsifolines A–F ( 1 – 6 ), with an unprecedented hexacyclic carbon skeleton, constituting a new structural group of monoterpenoid indole alkaloids, were obtained from the leaf extract of a Malayan Kopsia species, and their structures were established by spectroscopic analysis.