(1S,2S,3R,4R)-3-(2,3-diamino-5-chloropyridin-4-ylamino)bicyclo[2.2.1]hept-5-ene-2-carboxylic acid amide 、
4-(2-(4-methylpiperazin-1-yl)-2-oxoethoxy)benzaldehyde 以to yield the desired product (26%) as an off white solid的产率得到(1S,2S,3R,4R)-3-(6-chloro-2-(4-(2-(4-methylpiperazin-1-yl)-2-oxoethoxy)phenyl)-3H-imidazo[4,5-b]pyridin-7-ylamino)bicyclo[2.2.1]hept-5-ene-2-carboxamide