7-bromo-1-cyclopropyl-6-fluoro-8-methyl-1H-quinazolinedione 、
tert-butyl(5,5-difluoro-2-tributylstannyl-4,5,6,7-tetrahydrobenzo[b]thiophen-4-yloxy)dimethylsilane 、
三苯胂 在
tris-(dibenzylideneacetone)dipalladium(0) 作用下,
以
乙酸乙酯 、
甲苯 为溶剂,
生成 7-[4-(tert-butyldimethylsilanyloxy)-5,5-difluoro-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl]-1-cyclopropyl-6-fluoro-8-methyl-1H-quinazolinedione