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New Limonoids from the Seeds of a Krishna Mangrove, Xylocarpus granatum
Author(s) -
Chen Hongliang,
Zhang Jing,
Li MinYi,
Satyanandamurty Tirumani,
Wu Jun
Publication year - 2013
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.201200021
Subject(s) - mangrove , chemistry , stereochemistry , conjugated system , botany , traditional medicine , ecology , organic chemistry , biology , medicine , polymer
Two new mexicanolides, named granatumins H and I ( 1 and 2 , resp.), and two phragmalins, named granatumins J and K ( 3 and 4 , resp.), were isolated from the seeds of an Indian mangrove, Xylocarpus moluccensis , collected from the swamps of Krishna estuary, Andhra Pradesh. The structures of these limonoids were established on the basis of spectroscopic data. Granatumin J ( 3 ) is a highly oxidized phragmalin with five AcO groups, whereas granatumin K ( 4 ) is the first phragmalin found in nature with conjugated C(8)C(30) and C(14)C(15) bonds.
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