N-甲基哌嗪 、
Methanesulfonic acid (2S,3S)-2-(3,4-dimethoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylmethyl ester 反应 3.0h,
以38%的产率得到(2S,3S)-2-(3,4-Dimethoxy-phenyl)-3-(4-methyl-piperazin-1-ylmethyl)-2,3-dihydro-5H-benzo[b][1,4]thiazepin-4-one