1-(difluoromethyl)-5-(4-fluoro-3-iodo-1H-pyrazol-1-yl)pyridin-2(1H)-one 、
(R)-tert-butyl 2-hydroxy-2-((R)-3-oxomorpholin-2-yl)propanoate 、
5-溴-1-(二氟甲基)吡啶-2(1H)-酮 、
3-氨基吡唑 以to obtain (R)-tert-butyl 2-((R)-4-(1-(1-(difluoromethyl)-6-oxo-1,6-dihydropyridin-3-yl)-4-fluoro-1H-pyrazol-3-yl)-2-methyl-3-oxomorpholin-2-yl)-2-hydroxyacetate的产率得到(R)-tert-butyl 2-((R)-4-(1-(1-(difluoromethyl)-6-oxo-1,6-dihydropyridin-3-yl)-4-fluoro-1H-pyrazol-3-yl)-2-methyl-3-oxomorpholin-2-yl)-2-hydroxyacetate