Process for producing amine-boranes
    21.
    发明授权
    Process for producing amine-boranes 失效
    胺 - 硼烷的制备方法

    公开(公告)号:US5516909A

    公开(公告)日:1996-05-14

    申请号:US196254

    申请日:1994-02-15

    CPC classification number: C07D333/58 C07F5/022

    Abstract: A method for producing amine-boranes, specifically pyridine-borane which is highly stable and of good color is described.

    Abstract translation: PCT No.PCT / US92 / 05141 Sec。 371日期1994年2月15日 102(e)日期1994年2月15日PCT申请日1992年6月18日。描述了高度稳定且色泽良好的胺 - 硼烷,特别是吡啶 - 硼烷的方法。

    Asymmetric synthesis of chiral secondary alcohols
    22.
    发明授权
    Asymmetric synthesis of chiral secondary alcohols 失效
    手性仲醇的不对称合成

    公开(公告)号:US5292929A

    公开(公告)日:1994-03-08

    申请号:US51994

    申请日:1993-04-26

    CPC classification number: C07C45/30 C07C29/40 C07C67/08

    Abstract: A process for producing (R)-2-hydroxy-6-haloalkane is disclosed. In the first step, a cyclic alkanol is photohalogenated. In the second step, the photohalogenation product is reacted with a chiral catalyst and dialkyl zinc to produce (R)-2-hydroxy-6-haloalkane.

    Abstract translation: 公开了制备(R)-2-羟基-6-卤代烷烃的方法。 在第一步中,环烷醇被光卤化。 在第二步中,使光卤化产物与手性催化剂和二烷基锌反应生成(R)-2-羟基-6-卤代烷烃。

    Use of hydroxytriphenylborates to purify waste streams
    27.
    发明授权
    Use of hydroxytriphenylborates to purify waste streams 失效
    使用羟基三苯基硼酸盐净化废物流

    公开(公告)号:US5144063A

    公开(公告)日:1992-09-01

    申请号:US729143

    申请日:1991-07-12

    CPC classification number: C07F5/025

    Abstract: Novel cesium hydroxytriphenylborates are described. The addition of hydroxytriarylborate ions to aqueous media containing cesium ions to form such compounds as a precipitate is useful, for example, in the removal of radioactive cesium from nuclear fission plant waste streams and from cesium ion containing solutions resulting from the digestion of cesium ores.

    Abstract translation: 描述了新的铯羟基三苯基硼酸盐。 将羟基三芳基硼酸根离子加入到含有铯离子的含水介质中以形成沉淀物的化合物是有用的,例如从核裂变植物废物流中除去放射性铯和从铯矿石消解产生的含铯离子溶液。

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