(S)-tert-butyl 1-{5-[6-chloro-3-(cyclopropanecarbonyl)-1,5-naphthyridin-4-ylnmino]pyridin-2-yl}piperidin-3-ylcarbamate 、
2-chloro-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol 以to afford the desired product (100 mg, 63%) as an orange red solid的产率得到(S)-tert-butyl [1-(5-{[3-(cyclopropylcarbonyl)-6-(3-chloro-5-fluoro-4-hydroxyphenyl)-1,5-naphthyridin-4-yl]amino}pyridin-2-yl)piperidin-3-yl]carbamate