[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[CH:9]([C:13]1[C:21]2[C:16](=[C:17]([CH2:23][S:24][CH3:25])[CH:18]=[C:19]([F:22])[CH:20]=2)[NH:15][CH:14]=1)[CH2:10][CH2:11][OH:12].ClC1C=CC=C(C(OO)=[O:34])C=1>ClCCl>[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[CH:9]([C:13]1[C:21]2[C:16](=[C:17]([CH2:23][S:24]([CH3:25])=[O:34])[CH:18]=[C:19]([F:22])[CH:20]=2)[NH:15][CH:14]=1)[CH2:10][CH2:11][OH:12]100 mg (0.25 mmol) of the compound from Example 8 were introduced into 15 ml of dichloromethane at 0° C., 61.9 mg (0.25 mmol) of 70% pure meta-chloroperbenzoic acid were added, and the mixture was stirred at RT overnight. It was concentrated, and the residue was purified by preparative HPLC (RP18 column; mobile phase: acetonitrile/water gradient with addition of 0.1% formic acid) to result in 91 mg (88% of theory) of the title compound as mixture of diasteromers.
Wird geladen…