[CH3:1][C:2]([N:6]1[CH:10]=[C:9]([NH:11][C:12](=[O:29])[CH:13]([NH:17][C:18](=[O:28])[CH2:19][C:20]2[CH:25]=[C:24]([F:26])[CH:23]=[C:22]([F:27])[CH:21]=2)[CH2:14][CH2:15][CH3:16])[N:8]=[CH:7]1)([CH3:5])[CH:3]=O.[CH:30]([NH2:33])([CH3:32])[CH3:31]>>[CH:30]([NH:33][CH2:3][C:2]([N:6]1[CH:10]=[C:9]([NH:11][C:12](=[O:29])[CH:13]([NH:17][C:18](=[O:28])[CH2:19][C:20]2[CH:25]=[C:24]([F:26])[CH:23]=[C:22]([F:27])[CH:21]=2)[CH2:14][CH2:15][CH3:16])[N:8]=[CH:7]1)([CH3:5])[CH3:1])([CH3:32])[CH3:31]2-[2-(3,5-Difluoro-phenyl)-acetylamino]-pentanoic acid [1-(1,1-dimethyl-2-oxo-ethyl)-1H-imidazol-4-yl]-amide was reacted with isopropylamine to afford the title compound: C13 NMR (100 MHz, CDCl3) 14.0, 18.9, 23.3, 26.5, 35.9, 43.2, 49.3, 53.2, 57.7, 59.0, 102.6, 102.9, 103.1, 105.1, 112.4, 112.4, 112.5, 112.6, 131.7, 137.7, 138.7, 161.9, 162.1, 164.4, 164.5, 169.1; MS m/z 450.2 (M+1).
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