halogenation regiochemistry are discussed. The ipso -substitution of tert -butyl group on chlorine and the exchange of bromine on chlorine and iodine on hydrogen have been observed, along with formation of benzophosphorines. The interaction of tetrachloro- ortho -benzoquinone with phosphorus trichloride and arylacetylenes is proposed as a new modification of the reaction leading to the formation of benzo[ e ]-1
总结了有关取代的亚芳基二氧基三卤代正膦与单烷基或芳基
乙炔之间反应的新数据。该反应导致形成六元杂环-2-oxo-4-R-benzo[e]-1,2-oxaphosphorin-3-enes。讨论了正膦和
乙炔分子中的取代基对本位取代和卤化区域
化学的影响。已经观察到
氯上叔丁基的同位取代和
氯上
溴和氢上
碘的交换,以及苯并膦的形成。四
氯邻苯醌与
三氯化磷和芳基
乙炔的相互作用被提议作为导致形成苯并[e]-1,2-氧杂
磷的反应的新改进。一些苯并[e]-1的结构,