[Cl:1][C:2]1[N:7]=[C:6](Cl)[C:5]([I:9])=[CH:4][N:3]=1.[NH2:10][CH2:11][CH2:12][NH:13][C:14](=[O:16])[CH3:15]>>[Cl:1][C:2]1[N:7]=[C:6]([NH:10][CH2:11][CH2:12][NH:13][C:14](=[O:16])[CH3:15])[C:5]([I:9])=[CH:4][N:3]=1In analogy to GP 2 reaction of 2,4-dichloro-5-iodopyrimidine (1.0 g, 3.6 mmol) with N-(2-aminoethyl)acetamide (e.g. ABCR, Aldrich) (0.42 mL, 3.9 mmol) provided the desired product in 71% yield (878 mg) after trituration of the crystals obtained with diethyl ether.
Wird geladen…