Dimethyl Sulfate → HCID 20130621, compound

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using isopropyl 2-chloro-4-fluoro-5-[3,6-dihydro-4-ethyl-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-benzoate and dimethyl sulphate in dimethylformamide there is obtained isopropyl 2-chloro-4-fluoro-5-[3,6-dihydro-4-ethyl-3,5-dimethyl-2,6-dioxo-1(2H)-pyrimidinyl]-benzoate, 1H-NMR (CDCl3, 400 MHz) 7.82 ppm (d, 1H), 7.33 ppm (d, 1H), 5.23 ppm (m, 1H), 3.51 ppm (s, 3H), 2.71 ppm (m, 2H), 2.04 ppm (s, 3H), 1.35 ppm (d, 6H), 1.28 ppm (t, 3H),

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