9-fluoro-6-oxa-2-λ6-thiabicyclo[5.4.0]undeca-7,9,11-triene 2,2-dioxide 、
3-hydroxy-5-[(3S)-1-methyl-2-oxo-pyrrolidin-3-yl]oxy-N-(5-methylpyrazin-2-yl)benzamide 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
反应 5.0h,
以76%的产率得到3-[(2,2-dioxo-6-oxa-2-λ6-thiabicyclo[5.4.0]undeca-7,9,11-trien-9-yl)oxy]-5-[(3S)-1-methyl-2-oxo-pyrrolidin-3-yl]oxy-N-(5-methylpyrazin-2-yl)benzamide