Quinine- and quinicine-derived alkaloids from Guettarda noumeana

Phytochemistry
1997.0

Abstract

A new quinicine-type alkaloid, N-methylquinicinol, has been isolated from the bark of Guettarda noumeana, together with the known alkaloids, cupreine, dihydrocupreine and N-methyldihydroquinicinol. Complete NMR chemical shift assignments based on 2D experiments are reported for all the alkaloids. (C) 1997 Elsevier Science Ltd.

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