[CH:1]1([CH:4](O)[CH2:5][C:6]2[CH:11]=[CH:10][CH:9]=[CH:8][C:7]=2[N+:12]([O-:14])=[O:13])[CH2:3][CH2:2]1.S(Cl)([Cl:18])=O>C1(C)C=CC=CC=1>[Cl:18][CH:4]([CH:1]1[CH2:3][CH2:2]1)[CH2:5][C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][C:7]=1[N+:12]([O-:14])=[O:13]To 4 g (18.5 mmol; purity 96%) of 1-cyclopropyl-2-(2-nitrophenyl)ethanol in 50 ml of toluene are added, at room temperature, 2.3 g (19.5 mmol) of thionyl chloride, and then the mixture is stirred at 80° C. for 0.5 h. Then another 460 mg of thionyl chloride are added and the mixture is stirred at room temperature for a further 45 minutes.
Wird geladen…