Method of synthesis of alkali metal trisubstituted borohydride reagents
    1.
    发明授权
    Method of synthesis of alkali metal trisubstituted borohydride reagents 失效
    碱金属三取代硼氢化物试剂的合成方法

    公开(公告)号:US5886229A

    公开(公告)日:1999-03-23

    申请号:US87580

    申请日:1998-05-29

    IPC分类号: C07F5/02

    CPC分类号: C07F5/027

    摘要: Synthetic routes for forming alkali metal substituted borohydride compounds include the step of reacting an alkali metal reagent, a hydrogen donor, and a substituted borane. The reactions proceed without the requirement of specialized handling of alkali metal hydrides associated with prior synthetic processes for the production of alkali metal trisubstituted borohydride compounds. A chemical composition comprises solid potassium tri-sec-butyl borohydride.

    摘要翻译: 用于形成碱金属取代的硼氢化合物的合成路线包括使碱金属试剂,氢供体和取代的硼烷反应的步骤。 反应进行而不需要专门处理与用于制备碱金属三取代硼氢化合物的先前合成方法相关的碱金属氢化物。 化学组成包括固体三仲丁基硼氢化钾。

    Preparation of alkali-metal hexamethydisilazanes
    2.
    发明授权
    Preparation of alkali-metal hexamethydisilazanes 失效
    碱金属六水合二氮烷的制备

    公开(公告)号:US5420322A

    公开(公告)日:1995-05-30

    申请号:US298831

    申请日:1994-08-31

    IPC分类号: C07F7/10

    CPC分类号: C07F7/10

    摘要: A one-step synthesis of an alkali-metal hexamethyldisilazane is provided in which an alkali metal selected from the group consisting of lithium, sodium and potassium is reacted with 1,1,1,3,3,3,-hexamethyldisilazane at a reaction temperature above the melting point of the alkali metal without the use of an electron carrier, alkali-metal derivatized reagents, such as alkyl-aryl organometals, alkali-metal amides and alkali-metal hydrides, or a catalyst.

    摘要翻译: 提供碱金属六甲基二硅氮烷的一步合成法,其中选自锂,钠和钾的碱金属与1,1,1,3,3,3-六甲基二硅氮烷在反应温度 高于碱金属的熔点而不使用电子载体,碱金属衍生化试剂如烷基 - 芳基有机金属盐,碱金属氨化物和碱金属氢化物,或催化剂。

    Synthesis and isolation of metal alkoxides
    4.
    发明授权
    Synthesis and isolation of metal alkoxides 失效
    合成和分离金属醇盐

    公开(公告)号:US06444862B1

    公开(公告)日:2002-09-03

    申请号:US09580107

    申请日:2000-05-30

    IPC分类号: C07C3130

    CPC分类号: C07C29/70 C07C31/28

    摘要: A method for synthesizing highly soluble metal alkoxides includes the step of reacting a tertiary alcohol having the formula: wherein R1, R2, and R3 are, independently, the same or different, an alkyl group, an alkenyl, an alkynyl group or an aryl group, and at least one of R1, R2, and R3 is a group of at least 3 carbon atoms, with at least a stoichiometric amount of a metal reagent. The metal reagent is generally a group I metal, a group II metal, zinc, a metal alloy of a group I metal, a metal alloy of a group II metal, a metal alloy of zinc, a compound of a group I metal, a compound of a group II metal or a compound of zinc.

    摘要翻译: 合成高度可溶性金属醇盐的方法包括使具有下式的叔醇反应的步骤:其中R1,R2和R3独立地相同或不同,为烷基,烯基,炔基或芳基 ,R 1,R 2和R 3中的至少一个为至少3个碳原子的基团,至少具有化学计量量的金属试剂。 金属试剂通常为I族金属,II族金属,锌,I族金属的金属合金,II族金属的金属合金,锌的金属合金,I族金属的化合物, II族金属或锌化合物的化合物。

    Strong base reagent
    5.
    发明授权
    Strong base reagent 失效
    强碱试剂

    公开(公告)号:US5078906A

    公开(公告)日:1992-01-07

    申请号:US454455

    申请日:1989-12-21

    IPC分类号: C07C51/00

    CPC分类号: C07C51/00

    摘要: .alpha.-Arylalkanoic acids are prepared by a method comprising the step of reacting an alkylaromatic compound corresponding to the desired .alpha.-arylalkanoic acid with a new metallation reagent solution. The reagent comprises the reaction product of alkyllithium or aryllithium and about two to five molar equivalents of potassium tert-alkoxide in a trialkylamine solvent.

    摘要翻译: α-芳基链烷酸通过包括使对应于所需α-芳基链烷酸的烷基芳族化合物与新的金属化试剂溶液反应的方法制备。 试剂包括烷基锂或芳基锂的反应产物和约2-5摩尔当量的三烷基胺溶剂中的叔 - 醇钾。