7-carbomethoxy-5-(2-chlorophenyl)-7,8-dihydro-3H,6H-cyclopenta[4,5]thieno[2,3-e][1,4]diazepin-2-thione 以
1,4-二氧六环 为溶剂,
以45%的产率得到7-carbomethoxy-5-(2-chlorophenyl)2-(2-methyl-1,3-dioxolan-2-yl-methylamino)-7,8-dihydro-3H,6H-cyclopenta[4,5]thieno[3,2-f][1,4]diazepine