[NH:1]=[C:2]([NH:4][NH:5][C:6]([C:8]1[CH:9]=[C:10]([CH:15]=[CH:16][CH:17]=1)[C:11]([O:13][CH3:14])=[O:12])=O)[CH3:3]>C(Cl)(Cl)Cl>[CH3:3][C:2]1[NH:4][N:5]=[C:6]([C:8]2[CH:9]=[C:10]([CH:15]=[CH:16][CH:17]=2)[C:11]([O:13][CH3:14])=[O:12])[N:1]=18.10 g (34.4 mmol) methyl 3-[N′-(1-imino-ethyl)-hydrazinocarbonyl]-benzoate are heated to 180° C. for 30 minutes. 80 mL chloroform are added to the solid obtained after cooling. The suspension is filtered and the product is dried. White solid.
読み込み中…