addition of t-butyl alcohol (2 equiv.) to a mixture of dissolved metal (3 equiv.) and powdered arsenic. Subsequent reaction with an alkyl halide gave dialkyl arsines in good yields as main products in the cases of LiAsH2 and NaAsH2, and trialkyl arsines in excellent yields in the case of KAsH2.
摘要 通过将
叔丁醇(2 当量)滴加到溶解
金属(3 当量)和粉状
砷的混合物中,制备了碱
金属
砷化物 MAsH2(M˭ Li、Na 或 K)在液
氨中的悬浮液。随后与烷基卤反应以良好收率得到二烷基胂作为主要产物,在 LiAsH2 和 NaAsH2 的情况下,三烷基胂在 KAsH2 的情况下以优异的收率得到。