Triphenylselenonium halides were readily prepared in good yields by the one-step reaction of seleninyl chloride with phenylmagnesium halides, followed by treatment with hydrogen halides. The yields of triphenylselenonium halides are markedly affected by the molar ratio of seleninyl chloride to the phenylmagnesium halides. In order to interpret the above results, some probable intermediates, such as
                                    通过
硒酰
氯与苯基卤化
镁的一步反应,然后用卤化氢处理,可以很容易地以良好的收率制备三苯基卤化
硒。三苯基卤化
硒的产率显着受
硒酰
氯与苯基卤化
镁的摩尔比的影响。为了解释上述结果,通过让它们与卤化苯基
镁反应来研究一些可能的中间体,例如二苯基
硒氧化物、二
溴二苯基
硒和二苯基
硒化物。讨论了由竞争性反应和连续反应组成的途径。