2,4-Dichloropyrimidine → 2-Chloro-4-(4-nitrophenyl)pyrimidine
Reaktionsgleichung
FC1C=C(C2N=C(SC)N=C(N3CCOC[C@@H]3C)C=2)C=NC=1.CC1(C)C(C)(C)OB([C:31]2[CH:36]=[CH:35][C:34]([N+:37]([O-:39])=[O:38])=[CH:33][CH:32]=2)O1.[Cl:41][C:42]1[N:47]=[C:46](Cl)[CH:45]=[CH:44][N:43]=1>>[Cl:41][C:42]1[N:47]=[C:46]([C:31]2[CH:32]=[CH:33][C:34]([N+:37]([O-:39])=[O:38])=[CH:35][CH:36]=2)[CH:45]=[CH:44][N:43]=1Komponenten
4
Versuchsvorschrift
Method as described for intermediate 5 using 4,4,5,5-tetramethyl-2-(4-nitrophenyl)-1,3,2-dioxaborolane and 2,4-dichloropyrimidine. The mixture was purified using flash chromatography (0-100% EtOAc in petroleum ether 40-60) to afford the title compound (1.45 g, 53%)