4-Fluoro-2-(n,n-dimethylsulfamoyl)benzylamine hydrochloride → n-(4-Fluoro-2-(n,n-dimethylsulfamoyl)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](O)=[O:23])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl.[F:26][C:27]1[CH:34]=[CH:33][C:30]([CH2:31][NH2:32])=[C:29]([S:35](=[O:40])(=[O:39])[N:36]([CH3:38])[CH3:37])[CH:28]=1>>[F:26][C:27]1[CH:34]=[CH:33][C:30]([CH2:31][NH:32][C:22]([C:10]2[N:11]=[C:12]3[N:18]([CH:19]([CH3:21])[CH3:20])[CH2:17][CH2:16][N:13]3[C:14](=[O:15])[C:9]=2[O:8][CH2:1][C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)=[O:23])=[C:29]([S:35](=[O:39])(=[O:40])[N:36]([CH3:38])[CH3:37])[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 (0.150 g, 0.45 mmol) and 4-fluoro-2-(N,N-dimethylsulfamoyl)benzylamine hydrochloride (0.147 g, 0.55 mmol) as described for the synthesis of intermediate 3 gave 0.190 g (75% yield) of the title amide as white crystals; mp 161-163° C. (ethyl acetate-hexane). 1HNMR 400 MHz (CDCl3) δ (ppm): 1.23 (6H, d, J=6.9 Hz, 2×CH3), 2.85 (6H, s, 2×NCH3), 3.65 (2H, t, J=9 Hz, CH2),4.12 (2H, t, J=9 Hz, CH2),4.40 (1H, m, CH), 4.81 (2H, d, J=6.6 Hz, NCH2), 5.13 (2H, s, OCH2), 7.22 (1H, m, aromatic), 7.28-7.34 (3H, m, aromatics), 7.49-7.52 (2H, m, aromatics), 7.55 (1H, dd, J=2.6 Hz and J=8.6 Hz, aromatic), 7.71 (1H, dd, J=5.6 Hz and J=8.6 Hz, aromatic), 8.26 (1H, broad t, NH). Anal. Calcd for C26H30FN5O5S: C, 57.44; H, 5.56; N, 12.88. Found: C, 57.40; H, 5.46; N, 12.85.
Sources & evidence
- ORD record
- ord-f50a88879a234820bfc50599f9a5230d
- Source dataset
- uspto-grants-2009_02
- Patent number
- US07494984B2
Reaction notes
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