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Daphmalenines A and B: Two New Alkaloids with Unusual Skeletons from Daphniphyllum himalense
Author(s) -
Zhang Yu,
Di Yingtong,
He Hongping,
Li Shifei,
Lu Yang,
Gong Ningbo,
Hao Xiaojiang
Publication year - 2011
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.201100414
Subject(s) - chemistry , stereochemistry , absolute configuration
Two new biogenetically related yuzurine‐type Daphniphyllum alkaloids of the rare (14 R ,15 S ) series, daphmalenines A ( 1 ) and B ( 2 ), have been isolated from the leaves of Daphniphyllum himalense . Their structures and absolute configurations were elucidated by a combination of spectroscopic data, X‐ray crystallographic, and computational methods. A plausible biosynthetic pathway of 1 and 2 was also proposed.
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