Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Notes
Two New Megastigmanes from the Leaves of Cucumis sativus
Hisahiro Kai, Masaki Baba, Toru Okuyama
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Keywords: Cucumis sativus, cucumegastigmane I, cucumegastigmane II, megastigmane, modified Mosher's method
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2007 Volume 55 Issue 1 Pages 133-136

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Abstract

Two new megastigmane, cucumegastigmanes I (1) and II (2), together with a known megastigmane, (+)-dehydrovomifoliol (3), and five other known compounds were isolated from the leaves of Cucumis sativus. The structures of the new compounds were elucidated from spectroscopic analysis and their absolute stereochemistries were determined in detail using the chemical conversion and a modified Mosher's method.

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© 2007 The Pharmaceutical Society of Japan
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