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Four New Indole Alkaloids from Neolamarckia cadamba
Author(s) -
Liu Lingli,
Li Shifei,
Zhang Qiang,
Zhu Feng,
Yang Wei,
He Hongping,
Hao Xiaojiang
Publication year - 2013
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201201016
Subject(s) - chemistry , indole test , phytochemical , ring (chemistry) , stereochemistry , organic chemistry , biochemistry
Phytochemical investigation on the leaves of Neolamarckia cadamba led to the isolation of four new indole alkaloids, spirocadambine ( 1 ), dehydraisodihydrocadambine ( 2 ), nitrocadambines A and B ( 3 and 4 ). The structures and relative configurations were established by 1D and 2D NMR spectra. Spirocadambine ( 1 ) represents a new type of screw ring containing indole glucoalkaloids.
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