Coumarins from Two Asterolasia Species

作者: Satyajit D. Sarker , Alexander I. Gray , Peter G. Waterman , James A. Armstrong

DOI: 10.1021/NP50104A024

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摘要: Five pyranocoumarins, avicennol, cis-avicennol, dipetalolactone, avicennol methyl ether, and cis-avicennol ether have been isolated from the aerial parts of Asterolasia Drummondii. Examination squamuligerahad shown it to contain 3- (3-hydroxy-3-methyl-trans-but-1-enyl)-7-methoxycoumarin [6], which is novel. drummondii, in addition containing coumarins, has afforded furoquinoline alkaloids, maculosidine y-fagarine

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