N'-(3-cyano-6-isopropyl-pyridin-2-yl)-N,N-dimethyl-formamidine 、
{4-[2-amino-4-(5-chloro-pyridin-2-ylcarbamoyl)-phenylsulfanyl]-phenyl}-carbamic acid 9H-fluoren-9-ylmethyl ester 在
溶剂黄146 作用下,
反应 1.5h,
以54%的产率得到{4-[4-(5-chloro-pyridin-2-ylcarbamoyl)-2-(7-isopropyl-pyrido[2,3-d]pyrimidin-4-ylamino)-phenylsulfanyl]-phenyl}-carbamic acid 9H-fluoren-9-ylmethyl ester