Reactivity of Phosphaboradibenzofulvene toward Hydrogen, Acetonitrile, Benzophenone, and 2,3-Dimethylbutadiene
作者:Jens Michael Breunig、Alexander Hübner、Michael Bolte、Matthias Wagner、Hans-Wolfram Lerner
DOI:10.1021/om400553j
日期:2013.11.25
of 9-bromo-9-borafluorene (1) with Li[PtBu2] in toluene gave quantitatively the corresponding di-tert-butyl-phosphaboradibenzofulvene (9-di-tert-butylphosphanyl-9-borafluorene, 2). Degradation of thf occurred by treatment of 2 with thf in toluene at roomtemperature. In this paper the reaction of 2 with gaseous H2 in toluene solution at roomtemperature is described, by which the corresponding H2 addition
9-溴-9-硼芴(1)与Li [P t Bu 2 ]在甲苯中的反应定量地给出了相应的二叔丁基-磷杂硼苯并富勒烯(9-二叔丁基膦基-9-硼芴,2)。在室温下,在甲苯中用thf处理2对thf进行降解。本文描述了室温下2与气态H 2在甲苯溶液中的反应,由此形成了相应的H 2加成产物4。加氢产物4从单斜空间群中的苯中结晶P 2 1 / n。还研究了2与乙腈,二苯甲酮和2,3-二甲基丁二烯的加成反应。用20倍过量的乙腈处理2得到相应的加合物,其本身二聚为相应环亚氨基硼烷6的顺式和反式异构体的混合物。的共结晶的顺式- 6和反式- 6从甲苯中20当量乙腈的存在下,在6℃(单斜晶空间群,得到:(1比2)P 2 1 / ç)。纯的分离的反式- 6从甲苯中2当量的乙腈中的在-30℃下(三斜晶系空间群的存在下实现的P 1)。二苯甲酮与磷酰硼苯并富烯2反应,形成相应的加成产物7(斜方空间群Pbca)。2与6倍过量的2