反应详情

The title compound was prepared from 5-(2-bromophenyl)-2-(2,4-difluorophenoxy)-6H-pyrido[1,2-b]pyridazin-6-one as described in Example-7 using tri-N-butyl(1-propenyl)tin in place of tri-N-butyl (vinyl)tin. 50/50 mixture of cis and trans.

1. addition50/50 mixture of cis and trans