[Cl:1][C:2]1[CH:3]=[C:4]([CH2:9][S:10][C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][N+:12]=2[O-:17])[CH:5]=[CH:6][C:7]=1[Cl:8].C1C=C(Cl)C=C(C(OO)=[O:26])C=1>C(Cl)(Cl)Cl>[Cl:1][C:2]1[CH:3]=[C:4]([CH2:9][S:10]([C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][N+:12]=2[O-:17])=[O:26])[CH:5]=[CH:6][C:7]=1[Cl:8]The procedure employed is identical to that of Example 68 using 8 gm (0.028 mol) B 2-(3,4-dichlorophenylmethylthio)pyridine N-oxide in 50 ml of chloroform and 5.6 gm (0.028 mol) MCPBA in 100 ml chloroform.
Wird geladen…