Studies on the Constituents of Digitalis purpurea L. XX. New Cardiotonic Glycosides, Acetyl-digitoxin-γ and Acetyl-gitoxin-γ.
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The structure of purlanosides-A and -B, newly isolated from the digitalis seeds, was examined by enzymatic decomposition. By the action of Hemicellulase, purlanoside-A was changed to acetyl-digitoxin-γ, an isomer of the known acetyl-digitoxins. Acetyl-digitoxin-γ was obtained as crystals of m.p. 135〜142°. Purlanoside-B was changed to acetyl-gitoxin-γ by Hemicellulase. Acetyl-gitoxin-γ is an isomer of the known acetyl-gitoxins and was obtained as crystals of m.p. 164〜167°.
- 公益社団法人日本薬学会の論文
- 1961-04-25
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関連論文
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