Potassium Carbonate → 2-(4-Bromo-2-fluorobenzyl)-4-(-)-menthyloxycarbonyl-1,3-dioxo-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-4-acetic acid tert-butyl ester

Reaktionsgleichung

[CH:1]1([CH3:33])[CH2:6][CH2:5][CH:4]([CH:7]([CH3:9])[CH3:8])[CH:3]([O:10][C:11]([CH:13]2[N:18]3[CH:19]=[CH:20][CH:21]=[C:17]3[C:16](=[O:22])[N:15]([CH2:23][C:24]3[CH:29]=[CH:28][C:27]([Br:30])=[CH:26][C:25]=3[F:31])[C:14]2=[O:32])=[O:12])[CH2:2]1.C(=O)([O-])[O-].[K+].[K+].Br[CH2:41][C:42]([O:44][C:45]([CH3:48])([CH3:47])[CH3:46])=[O:43]>CN(C)C=O>[C:45]([O:44][C:42](=[O:43])[CH2:41][C:13]1([C:11]([O:10][CH:3]2[CH:4]([CH:7]([CH3:8])[CH3:9])[CH2:5][CH2:6][CH:1]([CH3:33])[CH2:2]2)=[O:12])[N:18]2[CH:19]=[CH:20][CH:21]=[C:17]2[C:16](=[O:22])[N:15]([CH2:23][C:24]2[CH:29]=[CH:28][C:27]([Br:30])=[CH:26][C:25]=2[F:31])[C:14]1=[O:32])([CH3:48])([CH3:47])[CH3:46]