[F:1][C:2]([F:29])([F:28])[C:3]([CH:15]=[N:16][C:17]1[CH:26]=[CH:25][CH:24]=[C:23]2[C:18]=1[CH:19]=[CH:20][C:21]([CH3:27])=[N:22]2)([OH:14])[CH2:4][C:5]([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)([CH3:7])[CH3:6]>C(Cl)Cl.[Ti](Cl)(Cl)(Cl)Cl.C(Cl)Cl>[CH3:27][C:21]1[CH:20]=[CH:19][C:18]2[C:23](=[CH:24][CH:25]=[CH:26][C:17]=2[NH:16][CH:15]2[C:9]3[C:8](=[CH:13][CH:12]=[CH:11][CH:10]=3)[C:5]([CH3:6])([CH3:7])[CH2:4][C:3]2([C:2]([F:1])([F:28])[F:29])[OH:14])[N:22]=15.1 ml of a 1 M titanium tetrachloride-CH2Cl2 solution is added in drops to a solution of 111 mg of 1,1,1-trifluoro-4-phenyl-2-[(2-methylquinolin-5-yl)iminomethyl]-4-methylpentan-2-ol in 84 ml of CH2Cl2 at −78° C. After 1 hour at −78° C., the batch separated, the aqueous phase is extracted with CH2Cl2, the combined organic phases are dried (Na2SO4) and concentrated by evaporation in a vacuum. Column chromatography on silica gel with cyclohexane-ethyl acetate yields 94 mg of product.
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