3-(4-aminophenyl)-5-{4-[(2R)-1,4-dioxan-2-ylmethoxy]-3-methoxyphenyl}pyridin-2-amine 、 5-(4-methylphenyl)-4-oxo-1-(tetrahydro-2H-pyran-4-ylmethyl)-1,4-dihydropyridine-3-carboxylic acid 在
(1-cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylaminomorpholinocarbenium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 4.5h,
以69.8%的产率得到N-[4-(2-amino-5-{4-[(2R)-1,4-dioxan-2-ylmethoxy]-3-methoxyphenyl}pyridin-3-yl)phenyl]-5-(4-methylphenyl)-4-oxo-1-(tetrahydro-2H-pyran-4-ylmethyl)-1,4-dihydropyridine-3-carboxamide