| Literature DB >> 19031256 |
Xing-Ye Cheng1, Yue Shi, Shun-Liang Zheng, Wen Jin, Hong Sun.
Abstract
Two new protoberberine quaternary alkaloids, 13-methyl-palmatrubine (1) and 13-methyl-dehydrocorydalmine (2), were isolated from the tubers of Corydalis yanhusuo W.T. Wang. 1 was isolated as a natural product for the first time, and 2 a new compound. Their structures were elucidated on the basis of spectroscopic evidence, especially 1D- and 2D-NMR experiments.Entities:
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Year: 2008 PMID： 19031256 DOI： 10.1080/10286020802410615
Source DB: PubMed Journal: J Asian Nat Prod Res ISSN： 1028-6020 Impact factor: 1.569