Dimethyl Sulfate → HCID 20130648, compound

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using isopropyl 2-chloro-4-fluoro-5-[5-cyano-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinyl]-benzoate and dimethyl sulphate in dimethylformamide there is obtained isopropyl 2-chloro-4-fluoro-5-[5-cyano-3,6-dihydro-3-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-benzoate, 1H--NMR (CDCl3, 400 MHz) 8.00 ppm (s, 1H), 7.83 ppm (d, 1H), 7.38 ppm (d, 1H), 5.25 ppm (m, 1H), 3.55 ppm (s, 3H), 1.37 ppm (2xd, 6H),

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