反应详情

1-[1-(4-Bromo-phenyl)-ethyl]-2-methyl-piperazine (0.104 g) from preparation A step 4 was treated with 0.075 g 1-tert-butoxycarbonyl-2-methyl-4-oxo-piperidine from the previous step as described in preparation A step 5 to afford 1-tert-butoxycarbonyl-2-methyl-4-{4-[1 (S)-(4-Bromophenyl)-ethyl]-3(R)-methylpiperazin-1-yl}-piperidine.

1. customas described in preparation A step 5