6-(4-oxocyclohexyl)-1,3-benzoxazol-2(3H)-one → HCID 178518616, compound

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Reaction Steps

Coupling of ketone 5 and 3-(2,4-difluorophenyl)-1-propylamine, using the method given in Example 1, gave (a) 6-{trans-4-[3-(2,4-difluorophenyl)-propylamino]-cyclohexyl}-3H-benzoxazol-2-one and (0.75 g, 37%), isolated as the HCl salt: 1H NMR (500 MHz, DMSO-d6): δ 11.49 (s, 1H), 8.84 (br s, 2H), 7.40 (ddd, J=9, 9, 7 Hz, 1H), 7.22-7.18 (m, 2H), 7.05 (ddd, J=8, 8, 2 Hz, 1H), 7.01 (dd, J=8, 1 Hz, 1H), 6.99 (d, J=8 Hz, 1H), 3.11-3.02 (m, 1H), 2.98-2.92 (m, 2H), 2.70 (t, J=8 Hz, 2H), 2.56-2.49 (m, 1H), 2.18-2.11 (m, 2H), 1.96-1.86 (m, 4H), 1.51 (m, 4H), and

Provenance & Evidence