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在四氟硼酸银存在下，分别以硫醚、硫醇、硫酚或过硫醚为原料与碘甲烷反应制备了相应的甲基锍盐。用１ＨＮＭＲ和１３ＣＮＭＲ表征产物的结构并提出了反应的机理。
In the presence of silver tetrafluoroborate, the corresponding methyl sulfonium salts were prepared by the reaction of thioether, thiol, thiophenol or thioether with methyl iodide. The structure of the product was characterized by 1HNMR and 13CNMR and the reaction mechanism was proposed.