PRODUCTION METHOD OF OPTICALLY ACTIVE PIPERAZINE COMPOUND
申请人:Maeda Hiroshi
公开号:US20090275749A1
公开(公告)日:2009-11-05
Provided is a method of producing optically active 1-methyl-3-phenylpiperazine of the formula (11) or salt thereof, comprising the following steps 1 to 4, or steps 5 to 7 and step 4, and a method of producing optically active mirtazapine via this method.
Step 1,
Step 2,
Step 3,
Step 4,
Step 5,
Step 6,
Step
7
PROCESS FOR PRODUCING OPTICALLY ACTIVE PIPERAZINE COMPOUND
申请人:Sumitomo Chemical Company, Limited
公开号:EP1930325A1
公开(公告)日:2008-06-11
Provided is a method of producing optically active 1-methyl-3-phenylpiperazine of the formula (11) or salt thereof, comprising the following steps 1 to 4, or steps 5 to 7 and step 4, and a method of producing optically active mirtazapine via this method.