反应 #3678775
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openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US08895585B2
反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: Ethyl formate (16.1 ml) was added to a hexane (40 ml) suspension containing sodium hydride (60% in oil, 2.4 g) at room temperature, and then fluoroethyl acetate (3.86 ml) was added dropwise under ice cooling, followed by stirring at room temperature for 15 minutes. Ethanol (50 ml) was added to the reaction mixture, and then an ethanol (50 ml) solution containing 2-cyano-N-(quinolin-6-yl)acetamidine (4.20 g) was added dropwise, followed by stirring at 80° C. for 2 hours. The reaction mixture was cooled to room temperature. Then, solid matter was collected by filtration and washed with ethyl acetate, and a yellow solid of 5-fluoro-6-oxo-2-(quinolin-6-ylamino)-1,6-dihydropyridin-3-carbonitrile (3.71 g) was thus obtained. was added dropwise by stirring at 80° C. for 2 hours The reaction mixture was cooled to room temperature Then, solid matter was collected by filtration washed with ethyl acetate
来源 ID: ord-0af78f720882434f8794c4e806fad912