Trifluoroacetic acid → 2-Amino-2-[3-(trifluoromethyl)phenyl]ethanol trifluoroacetate
反応式
[OH:1][CH2:2][CH:3]([NH:14]C(=O)OC(C)(C)C)[C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([C:10]([F:13])([F:12])[F:11])[CH:5]=1.[F:22][C:23]([F:28])([F:27])[C:24]([OH:26])=[O:25]>ClCCl>[F:22][C:23]([F:28])([F:27])[C:24]([OH:26])=[O:25].[NH2:14][CH:3]([C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([C:10]([F:11])([F:12])[F:13])[CH:5]=1)[CH2:2][OH:1]参加物
4
実験手順
Of the compound from Example 59A, 277 mg (0.91 mmol) were dissolved in 10 ml of dichloromethane and admixed at 0° C. with 0.7 ml (0.91 mmol) of trifluoroacetic acid, then stirred at room temperature for 1 hour. The mixture was concentrated on a rotary evaporator. The crude product was taken up in 20 ml of toluene and again concentrated on a rotary evaporator under reduced pressure. The crude product was purified by preparative HPLC [Method 19]. This gave 124 mg (43% of theory) of the target compound.