Constituents of Murraya exotica L. Structure elucidation of new coumarins.

Abstract

Eight new coumarins, peroxyauraptenol (1b), cis-dehydroosthol (2), murraol (3), murranganon (4a), isomurranganon senecioate (5), murrangatin acetate (6b), isomurralonginol acetate (7b), and chloticol (8), were isolated from leaves of Murraya exotica L. (Rutaceae), and their structures were elucidated. Seventeen known coumarins were also characterized. However, no alkaloid was detected.