ORIENTALOLS A, B, AND C, SESQUITERPENE CONSTITUENTS FROM CHINESE ALISMATIS RHIZOMA, AND REVISED STRUCTURES OF ALISMOL AND ALISMOXIDE

Masayuki YOSHIKAWA; Shoko HATAKEYAMA; Nobumitsu TANAKA; Youichi FUKUDA; Nobutoshi MURAKAMI; Johji YAMAHARA

doi:10.1248/cpb.40.2582

Masayuki YOSHIKAWA, Shoko HATAKEYAMA, Nobumitsu TANAKA, Youichi FUKUDA, Nobutoshi MURAKAMI, Johji YAMAHARA

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Keywords: Alismatis Rhizoma, Alisma orientale, Alismataceae, orientalol A, orientalol B, orientalol C, alismol, alismoxide, aquatic plant

JOURNAL FREE ACCESS

1992 Volume 40 Issue 9 Pages 2582-2584

DOI https://doi.org/10.1248/cpb.40.2582

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Abstract

Three new sesquiterpenes named orientalols A, B, and C were isolated from Chinese Alismatis Rhizoma, the dried rhizome of Alisma orientale JUZEPCZUK, together with two known sesquiterpenes, alismol and alismoxide. On the basis of the chemical and physiconhemical evidence, the structures of orientalols A (3), B (4), and C(5) were determined and those of alismol and alismoxide were revised from 1' and 2' to 1 and 2, respectively.

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