Alkoxides, alkyl compounds, amides and hydrides of alkali metals (M) and barium, such as MOR, Ba(OR)2, n-BuM, PhM, MN(SiMe3)2 and MAlH4 showed high catalytic activities versus the disproportionation reactions of PhSiH3 to produce SiH4, Ph2SiH2 and Ph3SiH. A good correlation between the catalyst basicities and the catalytic activities was observed, and a reaction mechanism involving the metal hydride
碱
金属(M)和
钡的醇盐,烷基化合物,酰胺和
氢化物,例如MOR,Ba(OR)2,n- BuM,PhM,MN(SiMe 3)2和MAlH 4与歧化反应相比具有较高的催化活性用PhSiH 3制备SiH 4,Ph 2 SiH 2和Ph 3 SiH。观察到催化剂碱性和催化活性之间的良好相关性,并提出了涉及
金属
氢化物和烷基
金属的反应机理。的SiH的相当数量4在PhSiCl的还原产生的3用的LiAlH 4当使用超过三摩尔的LiAlH 4时。