PROCESS FOR PRODUCING OPTICALLY ACTIVE PIPERAZINE COMPOUND

摘要

PROBLEM TO BE SOLVED: To provide a novel optically active 1-methyl-3-phenylpiperazine, and a salt thereof which are useful for producing pharmaceutical products such as optically active mirtazapine, and a production process therefor, as well as an intermediate product thereof. SOLUTION: The optically active 1-methyl-3-phenylpiperazine, and a salt thereof are produced through a process shown by following process drawing (A). COPYRIGHT: (C)2008,JPO&INPIT