Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
Usnic Acid. XVII. Alkaline Degradation of Tetrahydrodesoxyusnic Acid
MASAKO TAKANIKOTARO TAKAHASHI
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Keywords: MS
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Volume 30 (1982) Issue 3 Pages 903-908

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Abstract

The structures of three new alkaline degradation products of tetrahydrodesoxyusnic acid (isotype) (Ib) were established to be IIb, III and IV, by chemical and spectral studies. The mechanisms of formations of IIb, III and IV from Ib are discussed.

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