tert-Butyl 4'-(bromomethyl)biphenyl-2-carboxylate → Diethyl 1-[(2'-t-butoxycarbonylbiphenyl-4-yl)methyl]-2-butylimidazole-4,5-dicarboxylate
Reaktionsgleichung
[CH2:1]([C:5]1[NH:6][C:7]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[C:8]([C:10]([O:12][CH2:13][CH3:14])=[O:11])[N:9]=1)[CH2:2][CH2:3][CH3:4].Br[CH2:21][C:22]1[CH:27]=[CH:26][C:25]([C:28]2[C:29]([C:34]([O:36][C:37]([CH3:40])([CH3:39])[CH3:38])=[O:35])=[CH:30][CH:31]=[CH:32][CH:33]=2)=[CH:24][CH:23]=1>>[C:37]([O:36][C:34]([C:29]1[CH:30]=[CH:31][CH:32]=[CH:33][C:28]=1[C:25]1[CH:26]=[CH:27][C:22]([CH2:21][N:9]2[C:8]([C:10]([O:12][CH2:13][CH3:14])=[O:11])=[C:7]([C:15]([O:17][CH2:18][CH3:19])=[O:16])[N:6]=[C:5]2[CH2:1][CH2:2][CH2:3][CH3:4])=[CH:23][CH:24]=1)=[O:35])([CH3:40])([CH3:39])[CH3:38]Komponenten
3
Versuchsvorschrift
Following a procedure similar to that described in Example 1(a), but using 8.0 g of diethyl 2-butylimidazole-4,5-dicarboxylate (prepared as described in Preparation 3) and 10.41 g of t-butyl 4'-bromomethylbiphenyl-2-carboxylate, 15.4 g of the title compound were obtained as a gum.
Quellen und Nachweise
- ORD-Eintrag