1,3-dimethyl-4-phenyl-7-methylsulfanyl-1,6-dihydro-pyrazolo[3,4-e][1,4]diazepine 、 4-(2-fluoro-phenyl)-1,3-dimethyl-7-methylsulfanyl-1,6-dihydro-pyrazolo[3,4-
e][1,4]diazepine 以
(1,3-dimethyl-4-phenyl-1,6-dihydro-pyrazolo[3,4-e][1,4]diazepin-7-yl)-(1-methyl-prop-2-ynyl)-amine 为溶剂,
生成 4-(2-chlorophenyl)-1,6-dihydro-1,3-dimethyl-7-(1-methyl-2-propynylamino)pyrazolo-[3,4-e][1,4]diazepine