tert-butyl 3-({[4-(aminomethyl)pyridin-3-yl]oxy}methyl)pyrrolidine-1-carboxylate 、 tert-butyl 3-(3,3-dimethoxypropyl)-5-[(3-fluoro-2-methoxyphenyl)carbamothioyl]-4-hydroxy-6-oxo-2,3-dihydropyridine-1-carboxylate 在
N-甲基-N-三甲基硅烷基七氟丁酰胺 作用下,
以
乙腈 为溶剂,
以43 %的产率得到tert-butyl 4-{[(3-{[1-(tert-butoxycarbonyl)pyrrolidin-3-yl]methoxy}pyridin-4-yl)methyl]amino}-3-(3,3-dimethoxypropyl)-5-{[(3-fluoro-2-methoxyphenyl)amino]carbonothioyl}-6-oxo-3,6-dihydropyridine-1(2H)-carboxylate