New carbazolequinones having dimethylpyran ring system, from Murraya euchrestifolia.

Chemical and Pharmaceutical Bulletin
1985.0

Abstract

The structures of pyrayaquinone-A (1) and -B (2), the first naturally occurring carbazolequinone alkaloids having a dimethylpyran ring system from Murraya euchrestifolia Hayata (Rutaceae), have been determined by spectral and synthetic experiments.

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