Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
STRUCTURES OF SHINJULACTONES D AND E, NEW BITTER PRINCIPLES OF AILANTHUS ALTISSIMA SWINGLE
Masami IshibashiTetsuo FurunoTakahiko TsuyukiTakeyoshi TakahashiKazuhiro Matsushita
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Keywords: ^<13>C-NMR
JOURNAL FREE ACCESS

1983 Volume 31 Issue 6 Pages 2179-2182

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Abstract

Two bitter quassinoids, shinjulactones D and E (1 and 2), were isolated from Ailanthus altissima SWINGLE and their structures were determined to be 11β, 20-epoxy-1β, 2α, 11α, 12α-tetrahydroxypicrasan-16-one and 11β, 20-epoxy-1β, 6α, 11α, 12α-tetrahydroxypicrasa-3, 13 (21)-diene-2, 16-dione, respectively.

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© The Pharmaceutical Society of Japan
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