1-Boc-4-(aminomethyl)piperidine → tert-butyl 4-({[4-[2-(difluoromethyl)-4-methoxy-1H-benzimidazol-1-yl]-6-(4-morpholinyl)-1,3,5-triazin-2-yl]amino}methyl)-1-piperidinecarboxylate

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Reaction of 1-[4-chloro-6-(4-morpholinyl)-1,3,5-triazin-2-yl]-2-(difluoromethyl)-4-methoxy-1H-benzimidazole (Example 2) with tert-butyl 4-(aminomethyl)-1-piperidinecarboxylate as in previous examples gave tert-butyl 4-({[4-[2-(difluoromethyl)-4-methoxy-1H-benzimidazol-1-yl]-6-(4-morpholinyl)-1,3,5-triazin-2-yl]amino}methyl)-1-piperidinecarboxylate in 91% yield: mp (CH2Cl2/MeOH) 203-205° C.; 1H NMR (DMSO-d6) δ 8.10-7.60 (m, 3H), 7.41-7.36 (m, 1H), 6.94 (dd, J=7.8, 3.8 Hz, 1H), 3.974 and 3.970 (2s, 3H), 3.95-3.92 (m, 2H), 3.78-3.77 (m, 4H), 3.69 (m, 4H), 3.34-3.24 (m, 2H), 2.69 (m, 2H), 1.77-1.67 (m, 3H), 1.389 and 1.381 (2s, 9H), 1.12-1.00 (m, 2H); Anal. Calcd. for C27H36F2N8O4: C, 56.4; H, 6.3; N, 19.5. Found: C, 56.1; H, 6.3; N, 19.6%

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