Cl[C:2]1[C:11]2[C:6](=[C:7]([NH:12][C:13](=[O:22])[C:14]3[C:19]([Cl:20])=[CH:18][CH:17]=[CH:16][C:15]=3[Cl:21])[CH:8]=[CH:9][CH:10]=2)[N:5]=[CH:4][CH:3]=1.O.[NH2:24][NH2:25]>C(O)C.CN1CCCC1=O>[Cl:21][C:15]1[CH:16]=[CH:17][CH:18]=[C:19]([Cl:20])[C:14]=1[C:13]([NH:12][C:7]1[CH:8]=[CH:9][CH:10]=[C:11]2[C:6]=1[N:5]=[CH:4][CH:3]=[C:2]2[NH:24][NH2:25])=[O:22]A mixture of 4-chloro-8-(2,6-dichlorobenzoylamino)quinoline (200 mg) and hydrazine monohydrate (285 mg) in ethanol (4 ml) and N-methylpyrrolidone (1 ml) was heated at 100° C. overnight. After cooling, the resulting precipitates were collected by filtration, and the residue was recrystallized from ethanol to give 8-(2,6-dichlorobenzoylamino)-4-hydrazinoquinoline (173 mg).
Wird geladen…