The synthesis of pseudoprotopine, an alkaloid from Zanthoxylum conspersipunctatum (Rutaceae)

RM Sotelo, D Giacopello

Index: Sotelo,R.M.; Giacopello,D. Australian Journal of Chemistry, 1972 , vol. 25, p. 385 - 392

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Citation Number: 10

Abstract

Abstract The protopine alkaloid isolated from Zalzthozylurn conspersipunctatum Merr. & Perry, has been synthesized confirming the assigned structure (1). The name of pseudoprotopine is suggested for the natural base. ... The protopine alkaloids constitute a small group of bases which have a ten- membered ring system containing a methylated nitrogen and a carbonyl group. ... Typical members possess oxygen substituents at C 2, C3, C 9, and C 10 of the ...