4-(4-tert-butoxycarbonylamino-phenylsulfanyl)-3-(7-isopropyl-pyrido[2,3-d]pyrimidin-4-ylamino)-benzoic acid 、
tert-butyl 4-(4-amino-2-(7-isopropylpyrido[2,3-d]pyrimidin-4-ylamino)phenylthio)phenylcarbamate 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二甲基亚砜 为溶剂,
生成 4-(4-(tert-butoxycarbonylamino)phenylthio)-N-(4-(4-(tert-butoxycarbonylamino)phenylthio)-3-(7-isopropylpyrido[2,3-d]pyrimidin-4-ylamino)phenyl)-3-(7-isopropylpyrido[2,3-d]pyrimidin-4-ylamino)benzamide