CO[C:3](OC)([N:5]([CH3:7])[CH3:6])[CH3:4].[NH2:10][C:11]([NH2:13])=[S:12]>C(Cl)Cl>[NH2:10][C:11](/[N:13]=[C:3](/[N:5]([CH3:7])[CH3:6])\[CH3:4])=[S:12]N,N-Dimethyl acetamide dimethyl acetal (75 g, 0.56 mole) was added to a suspension of thiourea (33.0 g, 0.43 mole) in methylene chloride. The mixture was heated under reflux for 4 h. The solvent was removed and the residue was crystallized from 5% MeOH and diethyl ether affording (1E)-N′-(aminocarbonothioyl)-N,N-dimethylethanimidamide (47.8 g, 76% yield).
読み込み中…