Heterocycles p. 2759 - 2764 (1999)
Update date:2022-09-26
Topics:
Tanaka, Hitoshi
Tanaka, Toshihiro
Etoh, Hideo
Goto, Sachiko
Terada, Yukimasa
Two new erythrinan alkaloids, 10,11-dioxoerythraline (1) and 8- oxoerythraline epoxide (5) have been isolated from flowers of Erythrina x bidwillii. Their structures were elucidated by spectroscopic analyses and chemical evidence. 8-Oxoerythraline epoxide is the first erythrinan alkaloid possessing an epoxy ring.
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