Enzymatic process for making morphine-6-glucuronide or substituted morphine-6-glucuronide

摘要

A method of making morphine-6-glucuronide comprising the selective enzymatic cleavage of the 3-glucuronide moiety in morphine-3, 6- glucuronide or substituted morphine-6-glucuronide using at least one . beta.-glucuronide.