elimination of oxygen by the reaction of HFA with N=WCl3 may be considered as a new Wittig type reaction. The dimer of hexafluorothioacetone inserts into its SC bond the carbon atom of an isonitrile group to yield five-membered rings. PCl5 adds to (CF3)2CC(CN)2, prepared from HFA and CH2(CN)2, to form a six-membered phosphorus containing ring.
描述了
六氟丙酮(HFA)与主要基团的CN和SCN化合物以及过渡元素的反应。CN部分的环状加成反应由碱,优选
三乙胺催化。特别令人感兴趣的是HFA与(SCN)2和Hg(SCN)2的加合物。它们是含有六元环的各种新化合物的前体。通过HFA与N = WCl 3的反应消除氧可以认为是新的维蒂希型反应。六
氟硫代丙酮的二聚体在其SC键中插入异腈基团的碳原子,生成五元环。的PCl 5增加了(CF 3)2 CC(CN)2,从HFA和CH制备2(CN)2形成六元含
磷环。