Ammonia → 2-(difluoromethyl)-4-methoxy-1-[4-(4-morpholinyl)-6-(1-piperazinyl)-1,3,5-triazin-2-yl]-1H-benzimidazole

HRID 1619754Notes

Reaction equation

HRID 1619754 reaction equation
[F:1][CH:2]([F:39])[C:3]1[N:7]([C:8]2[N:13]=[C:12]([N:14]3[CH2:19][CH2:18][O:17][CH2:16][CH2:15]3)[N:11]=[C:10]([N:20]3[CH2:25][CH2:24][N:23](C(OC(C)(C)C)=O)[CH2:22][CH2:21]3)[N:9]=2)[C:6]2[CH:33]=[CH:34][CH:35]=[C:36]([O:37][CH3:38])[C:5]=2[N:4]=1.C(O)(C(F)(F)F)=O.N>C(Cl)Cl>[F:39][CH:2]([F:1])[C:3]1[N:7]([C:8]2[N:13]=[C:12]([N:14]3[CH2:15][CH2:16][O:17][CH2:18][CH2:19]3)[N:11]=[C:10]([N:20]3[CH2:25][CH2:24][NH:23][CH2:22][CH2:21]3)[N:9]=2)[C:6]2[CH:33]=[CH:34][CH:35]=[C:36]([O:37][CH3:38])[C:5]=2[N:4]=1

Participants

5

Reactant 3

HCID 222AmmoniaHCID 6422Trifluoroacetic acidHCID 66698039tert-butyl 4-[4-[2-(difluoromethyl)-4-methoxy-1H-benzimidazol-1-yl]-6-(4-morpholinyl)-1,3,5-triazin-2-yl]-1-piperazinecarboxylate

Product 1

HCID 666980472-(difluoromethyl)-4-methoxy-1-[4-(4-morpholinyl)-6-(1-piperazinyl)-1,3,5-triazin-2-yl]-1H-benzimidazoleYield 100%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Reaction of tert-butyl 4-[4-[2-(difluoromethyl)-4-methoxy-1H-benzimidazol-1-yl]-6-(4-morpholinyl)-1,3,5-triazin-2-yl]-1-piperazinecarboxylate from the previous step with an excess of TFA (10 mL) in CH2Cl2 (50 mL) at room temperature for 2 hrs, followed by treatment with aq. NH3 gave 2-(difluoromethyl)-4-methoxy-1-[4-(4-morpholinyl)-6-(1-piperazinyl)-1,3,5-triazin-2-yl]-1H-benzimidazole in 100% yield: mp (EtOH) 228-231° C.: 1H NMR (CDCl3) δ 7.90 (d, J=7.9 Hz, 1H), 7.50 (t, JHF=53.5 Hz, 1H), 7.34 (t, J=8.3 Hz, 1H), 6.81 (d, J=7.8 Hz, 1H), 4.05 (s, 3H), 3.87 (m, 8H), 3.78 (m, 4H), 2.95 (m, 4H); Anal. Calcd. for C20H24F2N8O2: C, 53.8; H, 5.4; N, 25.1. Found: C, 53.8; H, 5.6; N, 25.3%.

Sources & evidence

ORD record
ord-0ba1ee3b82f4477c85ec109dcec109c2
Source dataset
uspto-grants-2014_07
Patent number
US08772287B2

Reaction notes

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