Trifluoroacetic anhydride → Methyl 11-phenylsulfonyl-6,11-dihydrodibenz[b,e]oxepin-2-carboxylate
Reaktionsgleichung
O[CH:2]1[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[CH2:6][O:5][C:4]2[CH:13]=[CH:14][C:15]([C:17]([O:19][CH3:20])=[O:18])=[CH:16][C:3]1=2.O.O.[C:23]1([S:29]([O-:31])=[O:30])[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1.[Na+].FC(F)(F)C(OC(=O)C(F)(F)F)=O>>[C:23]1([S:29]([CH:2]2[C:8]3[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=3[CH2:6][O:5][C:4]3[CH:13]=[CH:14][C:15]([C:17]([O:19][CH3:20])=[O:18])=[CH:16][C:3]2=3)(=[O:31])=[O:30])[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1Komponenten
4
Versuchsvorschrift
Compound b, 10 g, 15 g of sodium benzenesulfinate dihydrate and 25 ml of trifluoroacetic anhydride were treated in a manner similar to Example 109 to give 14.3 g of the objective compound.