7-chloro-3-(2,2,2-trifluoroacetyl)-6-trifluoromethylsulfonyloxy-2,3,4,5-tetrahydro-1H-benzo[d]azepine 、
2-aminomethyl-5-cyclohexyloxy-pyridine 在
crude mixture 、 silica gel 、
ethyl acetate n-hexane 作用下,
以to obtain 7-chloro-6-[(5-cyclohexyloxy-pyridin-2-ylmethyl)-amino]-3-(2,2,2-trifluoroacetyl)-2,3,4,5-tetrahydro-1H-benzo[d]azepine (520 mg, 65%)的产率得到7-chloro-6-[(5-cyclohexyloxy-pyridin-2-ylmethyl)-amino]-3-(2,2,2-trifluoroacetyl)-2,3,4,5-tetrahydro-1H-benzo[d]azepine