3-((1R,3R)-1-(4-(azetidin-3-ylamino)-2,6-difluorophenyl)-3-methyl-3,4-dihydro-1H-pyrido[3,4-b]indol-2(9H)-yl)-2,2-difluoropropan-1-ol 、
5-(2-Chloroethoxy)-1,1,1,2,2-pentafluoropentane 在
caesium carbonate 、 sodium iodide 作用下,
以
乙腈 为溶剂,
生成 3-((1R,3R)-1-(2,6-difluoro-4-(1-(2-(4,4,5,5,5-pentafluoropentyloxy)ethyl)azetidin-3-ylamino)phenyl)-3-methyl-3,4-dihydro-1H-pyrido[3,4-b]indol-2(9H)-yl)-2,2-difluoropropan-1-ol