A new 6,6a-offbenzophenanthridine alkaloid from Macleaya cordata / 中国中药杂志

A new alkaloid was isolated from the leaves of Macleaya cordata with 95% ethanol extracted and its isolation was by column chromatography and preparation HPLC. The new structure was elucidated as 6'-hydroxy-2',3'-dimethoxyarnottianamide on the basis of its spectroscopic date.