Conversion of oxepane to hexamethylenimine
    1.
    发明授权
    Conversion of oxepane to hexamethylenimine 失效
    过氧化氢转化为十六烷基胺

    公开(公告)号:US3635952A

    公开(公告)日:1972-01-18

    申请号:US3635952D

    申请日:1969-09-18

    申请人: MONSANTO CO

    CPC分类号: C07D295/023

    摘要: HEXAMETHYLENIMINE IS PRODUCED BY BRINGING EXEANE AND AMMOMONIA IN THE VAPOR PHASE INTO CONTACT WITH AN ACTIVATED ALUMINA CATALYST AT A TEMPERATURE BETWEEN ABOUT 150* AND 550*C. HEXAMETHYLENIMINE IS A USEFUL CHEMICAL INTERMEDIATE, E.G., IT MAY BE CONVERTED TO HEXAMETHYLENEDIAMINE WHICH IS A MONOMER IN THE MANUFACTURE OF NYLON 66. ALSO, IT IS USEFUL IN HERBICIDE AND INSECTICIDE COMPOSITIONS.

    Low temperature catalytic reduction
    4.
    发明授权
    Low temperature catalytic reduction 失效
    低温催化还原

    公开(公告)号:US4295986A

    公开(公告)日:1981-10-20

    申请号:US038898

    申请日:1979-05-14

    申请人: Roy G. Gordon

    发明人: Roy G. Gordon

    摘要: This invention relates to a method of utilizing alkali metal hydrides, such as sodium hydride and lithium hydride, under mild and safe conditions. The method may be used to produce bonds between hydrogen and elements such as carbon, silicon, germanium, tin, phosphorous, arsenic, antimony and tellurium. Many organic compounds, such as chlorides, bromides, ketones, aldehydes and acid chlorides, may also be reduced. The elements from the above list are bonded, before the reduction, to electronegative elements such as fluorine, chlorine, bromine, iodine, oxygen, sulfur, selenium and nitrogen.According to the invention, the alkali metal hydride is catalytically activated by a solution of an alkali borohydride in a suitable ether solvent, so that it rapidly replaces the halogens or other electronegative groups by hydrogen atoms.

    摘要翻译: 本发明涉及在温和和安全条件下使用氢化钠和氢化锂的碱金属氢化物的方法。 该方法可用于在氢和诸如碳,硅,锗,锡,磷,砷,锑和碲的元素之间产生键。 还可以减少许多有机化合物,例如氯化物,溴化物,酮,醛和酰氯。 来自上述列表的元素在还原之前被结合到诸如氟,氯,溴,碘,氧,硫,硒和氮的电负性元素。 根据本发明,碱金属氢化物通过碱金属硼氢化物在合适的醚溶剂中的溶液进行催化活化,使得其通过氢原子快速替代卤素或其它电负性基团。

    Method of reduction employing resin adsorbents
    5.
    发明授权
    Method of reduction employing resin adsorbents 失效
    使用树脂吸附剂的还原方法

    公开(公告)号:US4110378A

    公开(公告)日:1978-08-29

    申请号:US691273

    申请日:1976-06-01

    申请人: Wolfgang G. Geyer

    发明人: Wolfgang G. Geyer

    IPC分类号: G01N31/22 C07B1/00 C07C103/22

    摘要: This invention relates to a quantitative analytical method for the isolation and determination of 3-isothiazolones in aqueous or nonaqueous media.The method involves isolating the isothiazolone by adsorbing it on a support; treating the isothiazolone with a reducing agent thereby cleaving the ring; reacting the resulting sulfhydryl group with a color forming reagent whose color development is directly proportional to the concentration of the isothiazolone and measuring the isothiazolone concentration via a calibrated color comparator or colorimeter.

    摘要翻译: 本发明涉及在水或非水介质中分离和测定3-异噻唑啉酮的定量分析方法。

    Manufacture of isomer-free 3-methylbutylamine
    6.
    发明授权
    Manufacture of isomer-free 3-methylbutylamine 失效
    无异构体3-甲基丁胺的制造

    公开(公告)号:US4036883A

    公开(公告)日:1977-07-19

    申请号:US634232

    申请日:1975-11-21

    IPC分类号: C07C85/06 C07B1/00

    CPC分类号: C07C209/16

    摘要: Manufacture of 3-methylbutylamine by reacting 2-methylbuten-1-ol-4 with hydrogen and a molar excess of ammonia simultaneously at about 140.degree. to 240.degree. C. at superatmospheric pressure in the presence of a hydrogenation catalyst metal or metals, i.e., the transition metals of Group VIII or copper.

    摘要翻译: 在氢气催化剂金属或金属的存在下,在大气压力下,在约140-240℃下,同时2-羟基丁-1-醇-4与氢和摩尔过量的氨反应制备3-甲基丁胺, VIII族或铜族的过渡金属。

    Process for continuous catalytic hydrogenation
    7.
    发明授权
    Process for continuous catalytic hydrogenation 失效
    连续催化氢化方法

    公开(公告)号:US3988329A

    公开(公告)日:1976-10-26

    申请号:US533886

    申请日:1974-12-18

    摘要: A process for the continuous catalytic hydrogenation of materials in a flowable form are described. In the process the material to be hydrogenated and a hydrogenating agent in the presence of a hydrogenation catalyst are subjected to shearing forces and a rapid succession of compressions and expansions. Preferably, the shearing forces and rapid succession of compressions and expansions are provided by means of a row of teeth in the reaction zone which move at a small spacing from one another. The process provides a higher reaction rate for a select catalyst and, additionally, permits the continuous use of the catalyst without detrimental affects.

    摘要翻译: 描述了可流动形式的材料的连续催化氢化的方法。 在该过程中,在氢化催化剂存在下待氢化的物质和氢化剂经受剪切力和快速连续的压缩和膨胀。 优选地,压缩和膨胀的剪切力和快速连续性通过反应区中的一排齿提供,其以相互间隔的小间隔移动。 该方法为选择催化剂提供较高的反应速率,并且另外允许连续使用催化剂而没有不利影响。

    Catalyst suspension foaming inhibition
    8.
    发明授权
    Catalyst suspension foaming inhibition 失效
    催化剂悬浮液发泡抑制

    公开(公告)号:US3972940A

    公开(公告)日:1976-08-03

    申请号:US534386

    申请日:1974-12-19

    IPC分类号: B01J25/00 C07C209/48 C07B1/00

    CPC分类号: C07C209/48 B01J25/00

    摘要: A process in which a Raney nickel or Raney cobalt hydrogenation catalyst is suspended in an aqueous liquid for feeding of the catalyst into a reaction medium in which an amine is prepared by continuous catalytic hydrogenation of a nitrile reactant is improved by including in the aqueous liquid a portion of the reaction medium containing an amount of the amine sufficient to substantially inhibit foaming of the catalyst suspension.

    摘要翻译: 将阮内镍或阮内钴氢化催化剂悬浮在用于将催化剂进料到其中通过腈反应物的连续催化氢化制备胺的反应介质的水性液体中的方法通过在水性液体中包含a 反应介质的一部分含有足以基本上抑制催化剂悬浮液发泡的一定量的胺。

    Exothermic catalytic hydrogenation of organic compounds in a liquid reaction medium
    9.
    发明授权
    Exothermic catalytic hydrogenation of organic compounds in a liquid reaction medium 失效
    有机化合物在液体反应介质中的超热催化加氢

    公开(公告)号:US3847989A

    公开(公告)日:1974-11-12

    申请号:US85880869

    申请日:1969-09-17

    申请人: BASF AG

    发明人: PLATZ R NAGEL O FUCHS W

    摘要: 1. A PROCESS FOR CARRYING OUT AN EXOTHERMIC CATALYTIC HYDROGENATION WITH MOLECULAR HYDROGEN OF A CARBON-CARBON TRIPLE OR DOUBLE BOND, AN AROMATIC RING, A CARBONYL GROUP, A NITRO GROUP, A NITRILE GROUP, AN OXIME GROUP, AN AMINOIXDE GROUP, AN ACID CHLORIDE GROUP, A BENZYL ESTER GROUP, OR A BENZYL EHTER GROUP OF AN ORGANIC COMPOUND IN AN EXOTHERMIC REACTION IN A BODY OF LIQUID HAVING SUSPENDED OR DISSOLVED THEREIN A SOLID, FINELY DIVIDED HYDROGENATION CATALYST OF A CATALYTIC METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM, RHODIUM, RUTHENIUM, NICKEL AND COBALT, WHICH COMPRISES WITHDRAWING A PORTION OF SAID LIQUID FROM SAID BODY, RECYCLING THE WITHDRAWN PORTION BY INTRODUCING THE LATTER THROUGH A FIRST NOZZLE INTO SAID BODY OF LIQUID AT A POINT BELOW THE SURFACE OF SAID BODY AND INTO A SMALL CYLINDRICAL TUBE IMMERSED IN SAID BODY AND HAVING AN INLET, INTRODUCING HYDROGEN THROUGH ANOTHER NOZZLE IN SAID BODY OF LIQUID AND INTO SAID INLET OPENING, THE RECYCLED LIQUID HAVING A VELOCITY OF 5-100 METER PER SECOND AT ITS POINT OF INTRODUCTION INTO SAID BODY, THE RATIO OF THE VOLUME OF THE RECYCLED LIQUID TO THE VOLUME OF HYDROGEN INTRODUCED THROUGH THIER RESEPECTIVE NOZZLES BEING FROM 1:5 TO 1:01, THE EXOTHERMIC HYDROGENATION ACTION OCCURING IN SAID CYLINDRICAL TUBE AS THE HYDROGEN AND LIQUID JET FROM THE INLET OPENING OF SAID TUBE AND THROUGH SAID TUBE, INDUCING BY THE JETTING ACTION OF SAID LIQUID IN SAID BODY OF LIQUID IN SAID CYLINDIRCAL TUBE A CIRCULATION OF ADDITIONAL LIQUID DRAWN THROUGH SAID CYLINDRICAL TUBE IN AN AMOUNT OF ABOUT 10 TO 100 TIMES THE AMOUNT OF THE RECYCLED LIQUID SUPPLIED THROUGH SAID FIRST NOZZLE, SAID ADDITIONAL LIQUID ALSO DRAWN DISSIPATING IMMEDIATELY THE HEAT OF THE EXOTHERMIC HYDROGENATION ACTION IN SAID CYLINDRICAL TUBE, AND THE INLET OPENING OF SAID TUBE HAVING A MEAN DIAMETER OF 2 TO 20 TIMES THE MEAN DIAMETER OF SAID FIRST NOZZLE AND THE CYLINDRICAL TUBE HAVING A LENGTH OF 3 TO 30 TIMES ITS HYDRAULIC DIAMETER.

    Electrolytic hydrodimerization of olefinic compounds
    10.
    发明授权
    Electrolytic hydrodimerization of olefinic compounds 失效
    烯烃化合物的电解加氢

    公开(公告)号:US3616319A

    公开(公告)日:1971-10-26

    申请号:US3616319D

    申请日:1968-02-09

    申请人: MONSANTO CO

    摘要: In the hydrodimerization of olefinic nitriles, esters and/or carboxamides by passage of electric current through an aqueous olefinic nitrile-, ester- and/or carboxamide-containing catholyte separated from an aqueous acidic anolyte by a solid cationpermeable membrane, the rate of membrane deterioration is unexpectedly low and undesirable leakage of anolyte and catholyte constituents through the membrane is consequently inhibited by using as the cation-permeable membrane an electrically conductive polymeric matrix reinforced by at least two substantially parallel sheets of woven glass fabric embedded within the matrix.