[CH2:1]([O:3][C:4]([C:6]1[N:7]=[C:8](I)[C:9]2[C:14]([C:15]=1[OH:16])=[CH:13][CH:12]=[C:11]([O:17][C:18]1[CH:23]=[C:22]([F:24])[CH:21]=[CH:20][C:19]=1[Cl:25])[CH:10]=2)=[O:5])[CH3:2].[C:27]([Cu])#[N:28]>CN1C(=O)CCC1.C(Cl)Cl>[CH2:1]([O:3][C:4]([C:6]1[N:7]=[C:8]([C:27]#[N:28])[C:9]2[C:14]([C:15]=1[OH:16])=[CH:13][CH:12]=[C:11]([O:17][C:18]1[CH:23]=[C:22]([F:24])[CH:21]=[CH:20][C:19]=1[Cl:25])[CH:10]=2)=[O:5])[CH3:2]A mixture of 7-(2-chloro-5-fluoro-phenoxy)-4-hydroxy-1-iodo-isoquinoline-3-carboxylic acid ethyl ester (180 mg) and CuCN (66 mg) in NMP (2 mL) was stirred at 130° C. for 1 h; then cooled, diluted with DCM, filtered, then washed with water, dil. NaCl solution, dried over sodium sulphate, filtered, concentrated, the residue was column purified to give the desired product (120 mg). LC MS ESI: 387 (M+1)+.
Loading…