3,5-Dimethoxyaniline → 4,6-Dichloro-N-(3,5-dimethoxyphenyl)-5-pyrimidinecarboxamide
Reaktionsgleichung
[Cl:1][C:2]1[C:7]([C:8](Cl)=[O:9])=[C:6]([Cl:11])[N:5]=[CH:4][N:3]=1.[CH3:12][O:13][C:14]1[CH:15]=[C:16]([CH:18]=[C:19]([O:21][CH3:22])[CH:20]=1)[NH2:17]>ClCCl>[Cl:1][C:2]1[C:7]([C:8]([NH:17][C:16]2[CH:18]=[C:19]([O:21][CH3:22])[CH:20]=[C:14]([O:13][CH3:12])[CH:15]=2)=[O:9])=[C:6]([Cl:11])[N:5]=[CH:4][N:3]=1Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
4,6-Dichloropyrimidine-5-carbonyl chloride (590 mg, 2.79 mmol, prepared according to E. V. Tarasov et al. Synlett 2000, 5, 625-626) was dissolved in dichloromethane (3 ml) and TEA (283 μl, 2.03 mmol) was added. To this solution, 3,5-dimethoxyaniline (312 mg, 2.04 mmol) dissolved in 3 ml dichloromethane was added dropwise and the mixture was stirred for 60 min. The reaction mixture was then diluted with dichloromethane, washed with 4% sodium bicarbonate solution, dried over magnesium sulphate, filtered and evaporated. The crude (684 mg, 62% purity, 64% yield) was used in the next synthetic step without further purification.