Carboxylate Protection for the Synthesis of 4,5-Disubstituted 1-Methylimidazoles
摘要:
Using the carboxylate function as a readily removed blocking group for the a-position, a regioselective synthesis of diverse 4,5-disubstituted 1-methylimidazoles has been developed starting from 1-methyltribromoimidazole, 5.