Ethyl 7,7-Ethylenedioxy-4-trifluoromethylsulfonyloxy-2-methyl-5,6,7,8-tetrahydro-[1]benzothieno[2,3-b]pyridine-3-carboxylate 在
一水合肼 作用下,
以
甲醇 为溶剂,
以60%的产率得到8,8-Ethylenedioxy-2,3,7,8,9,10-hexahydro-4-methyl-1H-[1]benzothieno[2,3-b]pyrazolo[3,4-d]pyridin-3-one