Aluminum alloys having a high reducing capacity and preparation thereof
    2.
    发明授权
    Aluminum alloys having a high reducing capacity and preparation thereof 失效
    具有高还原能力的铝合金及其制备

    公开(公告)号:US4273679A

    公开(公告)日:1981-06-16

    申请号:US44034

    申请日:1979-05-31

    CPC分类号: C07D231/46

    摘要: This invention relates to a process for the preparation of aluminum alloys having a high reducing capacity for use in reductions in organic chemistry. According to this method a discontinuous heterodisperse superficial alloy is formed by subjecting an aluminum alloy prepared by a metallurgical process to superficial activation and/or treating aluminum with a salt of a metal having a greater normal electrode potential than that of aluminum; whereby the solution of said metal in a protic solvent is reacted with granular aluminum and/or an aluminum alloy. The catalyst prepared according to the invention is especially suitable for the reduction of a nitro or nitroso group into an amino group. The aluminum alloys having a high reducing capacity are also within the scope of the invention.

    摘要翻译: 本发明涉及一种制备具有高还原能力的铝合金的方法,用于有机化学的还原。 根据该方法,通过使用冶金工艺制备的铝合金对具有比铝铝合金的正常电极电位高的金属的盐进行表面活化和/或处理铝来形成不连续的异质分散表面合金; 由此所述金属在质子溶剂中的溶液与颗粒状铝和/或铝合金反应。 根据本发明制备的催化剂特别适用于将硝基或亚硝基还原成氨基。 具有高还原能力的铝合金也在本发明的范围内。

    Anionic surface active agents
    3.
    发明授权
    Anionic surface active agents 失效
    阴离子表面活性剂

    公开(公告)号:US4395568A

    公开(公告)日:1983-07-26

    申请号:US199315

    申请日:1980-10-21

    摘要: Anionic surface active agents of the general formulae I and II ##STR1## where R.sup.1 is C.sub.1-12 alkyl;A is --(CH.sub.2).sub.n -- (wherein n is 0-6), --CH.dbd.CH--, phenylene, or alkylphenylene;x is an integer of 3 to 35;R.sup.2 is C.sub.8-12 alkyl or alkenyl;Z is --(CH.sub.2 CH.sub.2 O).sub.x H or ##STR2## where x is as defined above; and the salts thereof with inorganic or organic bases.These surfactants have excellent surface active properties and hard water tolerance, and may be prepared by conventional esterification techniques.

    摘要翻译: 通式I和II的阴离子表面活性剂(Ⅰ)其中R 1是C 1-12烷基; A是 - (CH 2)n - (其中n是0-6),-CH = CH-,亚苯基或烷基亚苯基; x为3〜35的整数, R2为C8-12烷基或烯基; Z是 - (CH 2 CH 2 O)x H或其中x如上所定义; 和其盐与无机或有机碱。 这些表面活性剂具有优异的表面活性和耐水耐性,并且可以通过常规酯化技术制备。