Cl[C:2]1[CH:11]=[C:10]2[C:5]([C:6](=[O:22])[C:7]([C:19]([OH:21])=[O:20])=[CH:8][N:9]2[CH2:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)=[CH:4][CH:3]=1.[CH2:23]([NH2:26])[CH2:24][NH2:25].C(Cl)Cl>CN1CCCC1=O.CO>[NH2:25][CH2:24][CH2:23][NH:26][C:2]1[CH:11]=[C:10]2[C:5]([C:6](=[O:22])[C:7]([C:19]([OH:21])=[O:20])=[CH:8][N:9]2[CH2:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)=[CH:4][CH:3]=1To a solution of 7-chloro-1-benzyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid (1.0 g) in 1-methyl-2-pyrrolidinone (10 mL) was added ethylenediamine (0.95 g). The mixture was heated at 130° C. for 10 h. The reaction mixture was cooled and poured into DCM (20 mL). The precipitate obtained was dispersed in MeOH, filtered to give the title compound (560 mg).
Wird geladen…