C(O[C:4](=[O:11])[CH2:5][C:6]([O:8]CC)=O)C.[C:12]1([N:18](C)[C:19]([NH2:21])=[O:20])[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1.[CH3:23][O-].[Na+]>CO>[C:12]1([N:18]2[C:4](=[O:11])[CH2:5][C:6](=[O:8])[N:21]([CH3:23])[C:19]2=[O:20])[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=11-Phenyl-3-methyl-barbituric acid was prepared by condensation of malonic acid diethyl ester with phenyl-methylurea in methanol, with addition of sodium methylate. It melts at about 124°C after recrystallization from toluene.
読み込み中…