The Alkaloids of Fumariaceous Plants. XXXIX. The Constitution of Capaurine

RHF Manske, HL Holmes

Index: Manske; Holmes Journal of the American Chemical Society, 1945 , vol. 67, p. 95,97

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Citation Number: 31

Abstract

Capaurine and capauridine have been recorded as constituents of four plants, namely, Corydalis aurea WiUd., $ C. micranthu (Engelm.) Gray,'C. pall& (Thunb.) and C. montanu (Engelm.) Britton.'They are isomeric and the latter is in fact the &-form of the former. The empirical formula, G~ HsO~ N, on the basis of analogy with other Fumariaceous alkaloids, makes it highly probable that capaurine is a derivative of protoberberine. There are four ...