2-amino-8-(2-fluoropyridin-5-yl)-7-methoxy-6-[2-methyl-5-N-(3-trifluoromethylphenyl)carbamoylphenyl]quinazoline 、
4,4-二氟哌啶盐酸盐 在
N,N-二异丙基乙胺 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 5.0h,
以43%的产率得到2-amino-8-[2-(4,4-difluoropiperidin-1-yl)pyridin-5-yl]-7-hydroxy-6-[2-methyl-5-N-(3-trifluoromethylphenyl)carbamoylphenyl]quinazoline