6-Amino-2-(2-propoxyphenyl)pyrimidin-4[3H]-one → 6-Butyramido-2-(2-propoxyphenyl)pyrimidin-4[3H1 one
Reaktionsgleichung
[NH2:1][C:2]1[N:7]=[C:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=2[O:14][CH2:15][CH2:16][CH3:17])[NH:5][C:4](=[O:18])[CH:3]=1>C(O)C>[C:9]([NH:1][C:2]1[N:7]=[C:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=2[O:14][CH2:15][CH2:16][CH3:17])[NH:5][C:4](=[O:18])[CH:3]=1)(=[O:14])[CH2:8][CH2:13][CH3:12]Komponenten
3
Edukt 1
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
A stirred solution of 6-amino-2-(2-propoxyphenyl)-pyrimidin-4[3H]-one (0.68 g) and n-butyric anhydri was heated at 140° C. for 5 hours. Ethanol was added to the cooled reaction mixture which was then evaporated under reduced pressure to yield a residue which was azeotroped and washed with water. The residue was eluted from silica with chloroform and the combined fractions containing product were evaporated under reduced pressure to yield a crude product which was recrystallised from isopropanol: diethyl ether to yield the title compound, 0.21 g, m.p. 177°-8° C.