5-(chloromethyl)-2,2-dimethyl-2,3-dihydrobenzofuran 、 5-methyl-7-(methylsulfonyl)-3,5,6,7,8,9-hexahydro-4H-pyrido[4’,3’:4,5]pyrrolo[2,3-d]pyridazin-4-one 在
caesium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以30.95 mg的产率得到3-((2,2-dimethyl-2,3-dihydrobenzofuran-5-yl)methyl)-5-methyl-7-(methylsulfonyl)-3,5,6,7,8,9-hexahydro-4H-pyrido[4’,3’:4,5]pyrrolo[2,3-d]pyridazin-4-one