A Morphinane Alkaloid from Meconopsis quintuplinervia

A new morphinane alkaloid named as mecoquitupline was isolated from Meconopsisquintuplinervia Regel. Its structure was elucidated to be 6-methoxy-17-methyl-2,3-[methylenebis(oxy)]-morphinan-5-en-7-one by spectroscopic techniques.