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DOI: 10.1039/A607017E (Paper) Reference Section for: J. Chem. Soc., Perkin Trans. 1, 1997, 187-188

Structures of Us-7 and Us-8: a new type of oxindole alkaloids isolated from Uncaria attenuata Korth

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Norio Aimi, Toshikazu Shimizu, Hiroyuki Sada, Hiromitsu Takayama, Shin-ichiro Sakai, Sumphan Wongseripipatana and Dhavadee Ponglux

Abstract

Novel D-seco corynanthé-type oxindole alkaloids Us-7 1 and Us-8 2 have been isolated from Uncaria attenuata Korth. Their structures have been deduced by detailed analysis of their spectroscopical and chiroptical properties.

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