Dimethyl Sulfate → HCID 20130694, compound

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using isopropyl 2-chloro-4-fluoro-5-[3,6-dihydro-4-propyl-2,6-dioxo-1(2H)-pyrimidinyl]-benzoate and dimethyl sulphate with sodium isopropylate in isopropanol there is obtained isopropyl 2-chloro-4-fluoro-5-[3,6-dihydro-3-methyl-4-propyl-2,6-dioxo-1(2H)-pyrimidinyl]-benzoate, 1H-NMR (CDCl3, 400 MHz) 7.83 ppm (d, 1H), 7.34 ppm (d, 1H), 5.73 ppm (s, 1H), 5.23 ppm (m, 1H), 3.45 ppm (s, 3H), 2.53 ppm (t, 2H), 1.72 ppm (m, 2H), 1.36 ppm (d, 6H), 1.10 ppm (t, 3H),

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