Preparation of amino(phenyl)boranes
    7.
    发明授权
    Preparation of amino(phenyl)boranes 失效
    氨基(苯基)硼烷的制备

    公开(公告)号:US3079432A

    公开(公告)日:1963-02-26

    申请号:US15694461

    申请日:1961-12-04

    Abstract: An amino(phenyl) borane of the formula R1(3-n)B(NR2)n is made by the interaction of an aminohaloborane of the formula (R2N)nBX(3-n), an aromatic halide of the formula R1X and, in a state capable of providing a continuously available active surface, a metal consisting of sodium, lithium, potassium, a sodium-potassium alloy or sodium amalgam, X being chlorine or bromine, R1 being phenyl, m- or p-tolyl, R being an alkyl group of from 1 to 6 carbon atoms, cyclohexyl, benzyl, unsubstituted phenyl or an alkyl-substituted phenyl in which the alkyl substitutent contains from 1 to 4 carbon atoms, and n being 1 or 2. The metal is either dispersed in a very small particle size or in a liquid or molten condition and the reaction is conducted with agitation. Examples of reactants are given and detailed examples describe the preparation of bis(dimethylamino)phenylborane, dimethylamino(diphenyl)borane, bis(diphenylamino) phenylborane and bis(dimethylamino)-p-tolylborane.

    Abstract translation: 式R 1(3-n)B(NR 2)n的氨基(苯基)硼烷是通过式(R2N)nBX(3-n)的氨基卤代硼烷,式R1X的芳族卤化物, 在能够提供连续可用的活性表面的状态下,由钠,锂,钾,钠 - 钾合金或钠汞齐组成的金属,X为氯或溴,R1为苯基,间或对甲苯基,R为 1至6个碳原子的烷基,环己基,苄基,未取代的苯基或烷基取代的苯基,其中烷基取代基含有1至4个碳原子,n为1或2.金属分散在 非常小的粒度或液体或熔融状态,反应在搅拌下进行。 给出了反应物的实例,详细的实施例描述了双(二甲基氨基)苯基硼烷,二甲基氨基(二苯基)硼烷,双(二苯基氨基)苯基硼烷和双(二甲基氨基)对甲苯基硼烷的制备。

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