Carzenide → 4-{3-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-yl]-[1,2,4]oxadiazol-5-yl}-benzenesulfonamide
Reaction equation
[OH:1][NH:2][C:3]([C:5]1[CH:6]=[N:7][N:8]2[C:13]([C:14]([F:17])([F:16])[F:15])=[CH:12][C:11]([C:18]3[CH:23]=[CH:22][C:21]([C:24]([F:27])([F:26])[F:25])=[CH:20][CH:19]=3)=[N:10][C:9]=12)=[NH:4].[S:28]([C:32]1[CH:40]=[CH:39][C:35]([C:36](O)=O)=[CH:34][CH:33]=1)(=[O:31])(=[O:30])[NH2:29]>>[F:17][C:14]([F:15])([F:16])[C:13]1[N:8]2[N:7]=[CH:6][C:5]([C:3]3[N:4]=[C:36]([C:35]4[CH:34]=[CH:33][C:32]([S:28]([NH2:29])(=[O:31])=[O:30])=[CH:40][CH:39]=4)[O:1][N:2]=3)=[C:9]2[N:10]=[C:11]([C:18]2[CH:19]=[CH:20][C:21]([C:24]([F:27])([F:26])[F:25])=[CH:22][CH:23]=2)[CH:12]=1Participants
3
Procedure
The title compound was prepared from N-hydroxy-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxamidine (example B.1) (195 mg, 0.5 mmol) and commercially available 4-sulfamoyl-benzoic acid (101 mg, 0.5 mmol) according to general procedure II. Obtained after purification by flash chromatography (ethyl acetate/heptane) and crystallization (dichloromethane) as a yellow solid (155 mg, 56%). MS (ISN) 553.3 [(M−H)−]; mp 292° C.
Workup
- customObtained