New indole alkaloids from Melodinus henryi

Mariko Kitajima,Satoko Ohara,Noriyuki Kogure,Yuqiu Wu,Rongping Zhang,Hiromitsu Takayama

HETEROCYCLES（2012）

引用 22|浏览6

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摘要

Two new indole alkaloids, melodinoxanine (1) and N-b-methylnortetraphyllicine (2), were isolated from the stems and leaves of Melodinus henryi growing in Yunnan, China. Melodinoxanine (1) is a unique oxindole alkaloid with an extra oxygen atom in the C-ring of a heteroyohimbine skeleton.

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关键词

Alkaloid,Indole,Melodinus,Apocynaceae,Structure Elucidation

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