HCID 69062677, compound → HCID 11283332, compound

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Through a mixture of 1-(2-{1-methyl-2-[4-(2-nitro-propenyl)-phenyl]-ethylamino}-pyrimidin-4-yl)-8-phenyl-1,2,3,6-tetrahydro-pyrimido[1,2-a]pyrimidin-4-one (10 mg, 0.02 mmol) and palladium on carbon (cat) in methanol was bubbled hydrogen through a balloon for 17 h. The mixure was filtered through celite, concentrated and chromatographed on silica gel using 0-4% MeOH/CH2Cl2 to afford an off-white solid. M+1=496. 1NMR (CDCl3) d (3H, 1.28 ppm), d (3H, 1.79 ppm), m (1H, 1.86 ppm), m (2H, 2.22 ppm), m (1H, 2.80 ppm), m (1H, 2.94 ppm), m (3H, 3.75 ppm), m (4H, 4.15 ppm), m (1H, 4.30 ppm), s (1H, 6.60 ppm), d (3H, 7.15 ppm), d (2H, 7.22 ppm), m (3H, 7.44 ppm), dd (2H, 7.91 ppm), d (1H, 8.17 ppm).

Provenance & Evidence