PROCESS FOR THE PREPARATION OF PYRIDINE HETEROCYCLE CGRP ANTAGONIST INTERMEDIATE

摘要

An efficient syntheses for the preparation of the intermediate 2-oxo-1-(4-piperidinyl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine dihydrochloride, and other salt forms of 2-oxo-1-(4-piperidinyl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine.