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Two new aspidosperma indole alkaloids from Yunnan Kopsia arborea
Yuqiu Wu1, Mariko Kitajima, Noriyuki Kogure
1Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan.
Chemical & Pharmaceutical Bulletin
|July 8, 2010
Abstract:
Two new indole alkaloids, kopsiyunnanines G (1) and H (2), possessing the Aspidosperma skeleton were isolated from the aerial part of Yunnan Kopsia arborea BLUME (Apocynaceae). Their structures and stereochemistry were elucidated by means of MS and 2D NMR analyses.
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