[O-:1][N+:2]1[O:6][N:5]=[C:4]([O:7][CH2:8][CH2:9][C:10]([O:12]C(C)(C)C)=[O:11])[C:3]=1[S:17]([C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)(=[O:19])=[O:18].C(O)(C(F)(F)F)=O>ClCCl>[O-:1][N+:2]1[O:6][N:5]=[C:4]([O:7][CH2:8][CH2:9][C:10]([OH:12])=[O:11])[C:3]=1[S:17]([C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)(=[O:18])=[O:19]14 g of the compound obtained in Step A dissolved in 100 ml of dichloromethane are placed under argon, 10 ml of TFA are added, and then stirring is carried out for 6 hours at ambient temperature.
Wird geladen…