New steroidal alkaloids from maxim. Pingbeinone and Heilonine

Tetrahedron
1989.0

Abstract

Two novel alkaloids, pingbeinone (1) and heilonine (2) were isolated from Fritillaria ussuriensis and their structures were determined on the basis of spectral data and X-ray crystallographic analysis. Pingbeinone is novel C26 steroidal alkaloid having a skeleton lacking C-18 of C-nor D-homo steroidal alkaloid. © 1989.

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