[Cl:1][C:2]1[S:6][N:5]=[C:4]([Cl:7])[C:3]=1[Cl:8].[Cl:9][Sb-:10]([Cl:15])([Cl:14])([Cl:13])([Cl:12])[Cl:11].[CH3:16][O+](C)C>CCOCC>[Cl:9][Sb-:10]([Cl:15])([Cl:14])([Cl:13])([Cl:12])[Cl:11].[CH3:16][N+:5]1[S:6][C:2]([Cl:1])=[C:3]([Cl:8])[C:4]=1[Cl:7]Trichloroisothiazole (10 ml) and trimethyloxonium hexachloroantimonate (7.9 g, 0.02 mol) were heated at 90° for 30 min. After cooling ether (150 ml) was added and the solid collected to yield 7.8 g (73%) of product, mp >240. Spectral data (NMR & IR) were consistent with the assigned structure.
Wird geladen…