[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:23]([F:26])([F:25])[F:24])[O:13][N:12]=[C:11]([C:14]3[CH:21]=[CH:20][C:17]([CH:18]=O)=[C:16]([CH3:22])[CH:15]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1.[N:27]1[CH:32]=[CH:31][CH:30]=[CH:29][C:28]=1[CH2:33][NH:34][NH2:35].C[OH:37]>Cl>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:23]([F:25])([F:24])[F:26])[O:13][N:12]=[C:11]([C:14]3[CH:21]=[CH:20][C:17](/[CH:18]=[N:35]/[NH:34][C:33]([C:28]4[CH:29]=[CH:30][CH:31]=[CH:32][N:27]=4)=[O:37])=[C:16]([CH3:22])[CH:15]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1A solution of 4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde (i.e. the product of Step 1, 500 mg), concentrated hydrochloric acid (5 drops) and 2-picolyl hydrazine (188 mg) in methanol (20 mL) were heated at reflux for 5 h. The mixture was concentrated and the residue was triturated with water. Filtration yielded the title compound (289 mg, 45%).
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