Two New Aspidosperma Indole Alkaloids from Yunnan Kopsia arborea

Yuqiu Wu; Mariko Kitajima; Noriyuki Kogure; Yunsong Wang; Rongping Zhang; Hiromitsu Takayama

doi:10.1248/cpb.58.961

Notes

Two New Aspidosperma Indole Alkaloids from Yunnan Kopsia arborea

Yuqiu Wu, Mariko Kitajima, Noriyuki Kogure, Yunsong Wang, Rongping Zhang, Hiromitsu Takayama

Author information

Keywords: Apocynaceae, Kopsia, indole alkaloid, structure elucidation, NMR

JOURNAL FREE ACCESS

2010 Volume 58 Issue 7 Pages 961-963

DOI https://doi.org/10.1248/cpb.58.961

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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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