PROCESSES FOR INCREASING THE YIELD OF THE HYDROLYSIS OF THE 3-O-METHYL AND 17-N-NITRILE GROUP IN THE PREPARATION OF OPIATE ALKALOID DERIVATIVES

摘要

The present invention provides processes for the production of opiatealkaloids. In particular, the present inventionprovides processes for recycling impurities into useful intermediates duringthe synthesis of opiate alkaloids.