1-[4-(Bromomethyl)Phenyl]-1H-Pyrazole → 2-{6-[3(R)-Amino-piperidin-1-yl]-2,4-dioxo-3-(4-pyrazol-1-yl-benzyl)-3,4-dihydro-2H-pyrimidin-1-ylmethyl}-benzonitrile

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Title compound 21 was prepared by the methods used in the preparation of compound 17, except that 1-(4-bromomethyl-phenyl)-1H-pyrazole was used in the place of m-cyano-benzyl bromide. 1H-NMR (400 MHz, CDCl3-CD3OD 10:1) δ 7.90 (d, J=2.5 Hz, 1H), 7.71 (d, J=1.8 Hz, 1H), 7.65 (d, J=7.6 Hz, 1H), 7.51-7.58 (m, 3H), 7.43-7.37 (m, 3H), 7.22 (d, J=7.8 Hz, 1H), 6.47 (t, J=2.1 Hz, 1H), 5.43 (s, 1H), 5.14-5.30 (ABq, J=41.2, 16.4 Hz, 2H), 5.05 (s, 2H), 3.32-3.40 (m, 2H), 2.96 (m, 1H), 2.89 (m, 1H), 2.70 (m, 1H), 2.10 (m, 1H), 1.88 (m, 1H), 1.66 (s, 2H). MS (ES) [m+H] calc'd for C27H28N7O2, 482.2; found 482.2.

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