Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Studies on the Constituents of Digitalis purpurea L. XVII. Isolation of Several New Glycosides from Fraction PGB of Digitalis Seeds.
Kazuhiko HojiTosaku MikiAkio SakashitaAtsuji OkanoKazuo Miyatake
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1961 Volume 9 Issue 4 Pages 276-288

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Abstract

Several new glycosides were isolated from digitalis seeds, four substances, B-I", A-III', C-0, and X2, were obtained as crystals, and five substances, PGA, A-II', B-I', PGB, and A-III, were obtained as a colorless powder. In accordance with their coloration, it was assumed that substances B-0, PGA, B-I', and C-0 belong to the digitoxigenin series, and substances A-II', A-II, PGB, A-III, and A-III'to the gitoxigenin series.

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