Pyridine → HCID 86621576, Verbindung

Reaktionsgleichung

[O:1](S(C(F)(F)F)(=O)=O)[S:2]([C:5]([F:8])([F:7])[F:6])(=[O:4])=[O:3].O[C:17]1[C:27]([N+:28]([O-:30])=[O:29])=[CH:26][C:20]([C:21]([O:23][CH2:24][CH3:25])=[O:22])=[CH:19][C:18]=1[O:31][CH3:32].N1C=CC=CC=1>C(Cl)(Cl)Cl>[CH3:32][O:31][C:18]1[CH:19]=[C:20]([CH:26]=[C:27]([N+:28]([O-:30])=[O:29])[C:17]=1[O:1][S:2]([C:5]([F:8])([F:7])[F:6])(=[O:4])=[O:3])[C:21]([O:23][CH2:24][CH3:25])=[O:22]

Komponenten

Versuchsvorschrift

17.7 ml of Tf2O was added to a solution of 16.8 g of ethyl 4-hydroxy-3-(methyloxy)-5-nitrobenzoate and 11.3 ml of pyridine in 500 ml of CHCl3 at 0° C. The mixture was stirred for 30 min, then washed successively with water, HClaq, and saturated NaHCO3aq, dried over Na2SO4, and concentrated. The residual solid was washed with a mixed solvent of CHCl3 and n-hexane to give a 22.0 g of the intended compound as a pale orange solid.