(4-Fluoro-2-(1H-1,2,4-triazol-1-yl)phenyl)methanamine hydrochloride → N-(4-fluoro-2-(1H-1,2,4-triazol-1-yl)benzyl)-6-(benzyloxy)-1-isopropyl-5-oxo-1,2,3,5-tetrahydroimidazo[1,2-a]pyrimidine-7-carboxamide
Reaction equation
[CH2:1]([O:8][C:9]1[C:14](=[O:15])[N:13]2[CH2:16][CH2:17][N:18]([CH:19]([CH3:21])[CH3:20])[C:12]2=[N:11][C:10]=1[C:22]([OH:24])=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl.[F:26][C:27]1[CH:32]=[CH:31][C:30]([CH2:33][NH2:34])=[C:29]([N:35]2[CH:39]=[N:38][CH:37]=[N:36]2)[CH:28]=1>>[F:26][C:27]1[CH:32]=[CH:31][C:30]([CH2:33][NH:34][C:22]([C:10]2[N:11]=[C:12]3[N:18]([CH:19]([CH3:20])[CH3:21])[CH2:17][CH2:16][N:13]3[C:14](=[O:15])[C:9]=2[O:8][CH2:1][C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)=[O:24])=[C:29]([N:35]2[CH:39]=[N:38][CH:37]=[N:36]2)[CH:28]=1Participants
Reactant 2
Product 1
Procedure
Coupling of 6-(benzyloxy)-1-isopropyl-5-oxo-1,2,3,5-tetrahydroimidazo[1,2-a]pyrimidine-7-carboxylic acid (0.300 g, 0.91 mmol) and (4-fluoro-2-(1H-1,2,4-triazol-1-yl)phenyl)methanamine hydrochloride (0.210 g, 0.96 mmol) as described for the synthesis of intermediate 3 gave 0.349 g (76% yield) of the title amide as white crystals; mp 171-172° C. (ethyl acetate). 1HNMR 400 MHz (CDCl3) δ (ppm): 1.24 (6H, d, J=6.8 Hz, 2×CH3), 3.66 (2H, t, J=9 Hz, CH2), 4.13 (2H, t, J=9 Hz, CH2), 4.41 (2H, d, J=6.3 Hz, NCH2), 4.43 (1H, m, CH), 5.10 (2H, s, OCH2), 7.06 (1H, dd, J=2.6 Hz and J=8.6 Hz, aromatic), 7.17 (1H, m, aromatic), 7.29-7.31 (3H, m, aromatics), 7.45-7.48 (2H, m, aromatics), 7.71 (1H, dd, J=5.9 Hz and J=8.6 Hz, aromatic), 8.0 (1H, s, CH), 8.36 (1H, broad t, NH), 8.39 (1H, s, CH). Anal. Calcd for C26H26FN7O3: C, 62.01; H, 5.20; N, 19.47. Found: C, 62.00; H, 5.20; N, 19.50.
Sources & evidence
- ORD record
- ord-c0350402ea294b4ab6f66c11291afc87
- Source dataset
- uspto-grants-2009_02
- Patent number
- US07494984B2
Reaction notes
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