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Oldhamiphylline A: a Novel Hexacyclic Alkaloid from Daphniphyllum oldhami
Author(s) -
Chen Xin,
Zhan ZhaJun,
Yue JianMin
Publication year - 2004
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.200490111
Subject(s) - chemistry , two dimensional nuclear magnetic resonance spectroscopy , stereochemistry , alkaloid
A novel Daphniphyllum alkaloid, oldhamiphylline A ( 1 ), together with five known alkaloids, deoxycalyciphylline B, deoxyisocalyciphylline B, calyciphylline, secodaphniphylline, and calycicine A, was isolated from the leaves of Daphniphyllum oldhami. The structure of 1 was established by spectroscopic methods, especially 2D NMR techniques ( 1 H, 1 H‐COSY, HMQC, HMBC, and NOESY).
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