Pyridine → HCID 53892817, compound

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using 2-ethoxy-1-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-pentafluoroethyl-6(1H)-pyrimidinone and 2-methoxyethyl chloroformate with pyridine in diethyl ether there is obtained {5-[2-ethoxy-6-oxo-4-pentafluoroethyl-1(6H) -pyrimidinyl]-2-chloro-4-fluorophenyl} 2-methoxyethyl carbonate, 1H-NMR (CDCl3, 400 MHz): 7.39 ppm (d,1H), 7.26 ppm (d,1H), 6.64 ppm (s,1H), 4.39°-4.56 ppm (m,4H), 3.70 ppm (m,2H), 3.43 ppm (s,3H), 1.30 ppm (t,3H):

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