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    Process for the oxidation of di-, tri-, oligo- and polysaccharides into polyhydroxycarboxylic acids
    2.
    发明授权
    Process for the oxidation of di-, tri-, oligo- and polysaccharides into polyhydroxycarboxylic acids 失效
    将二，三，寡聚和多糖氧化成多羟基羧酸的方法

    公开(公告)号：US5977350A

    公开(公告)日：1999-11-02

    申请号：US149743

    申请日：1998-09-08

    申请人： Manfred Bergfeld ,  Ludwig Eisenhuth

    发明人： Manfred Bergfeld ,  Ludwig Eisenhuth

    IPC分类号： C07H1/00 ,  C07C51/235 ,  C07C51/31 ,  C07C59/105 ,  C07C59/265 ,  C07C59/285 ,  C07H3/02 ,  C07C17/00 ,  C13K13/00

    CPC分类号： C07C51/313

    摘要： A process is provided for preparing polyhydroxycarboxylic acids by the selective oxidation of di-, tri-, oligo- and polysaccharides in an alkaline medium using an oxygenous gas in the presence of palladium on a carrier as catalyst and bismuth as promoter at a palladium concentration in the reaction mixture of at least about 40 mg/l and a molar ratio of bismuth to palladium in the range of from about 1:5 to about 1:40, in which process towards the end of the reaction, as soon as a strong increase is observed in the oxygen concentration in the liquid phase, the oxygen supply is reduced until it is not more than about 20 ppm. In this manner, virtually all of the polysaccharide added beforehand is converted into the desired end product without an unacceptably high concentration of bismuth in the end product.

    摘要翻译： 提供了一种制备多羟基羧酸的方法，其通过在载体作为催化剂的钯存在下使用含氧气体在碱性介质中选择性氧化二羟基，三 - ，寡 - 和多糖，并以钯浓度将铋作为助催化剂 反应混合物至少约40mg / l，铋与钯的摩尔比在约1:5至约1:40的范围内，其中在反应结束的过程中，一旦强烈增加 在液相中的氧浓度中观察到，供氧减少直到不超过约20p​​pm。 以这种方式，预先添加的几乎所有的多糖都转化成所需的最终产物，而在最终产物中不会有不可接受的高浓度的铋。

    Process for synthesizing alkylene bisdithiocarbamates or the ammonia adducts thereof as well as mixtures that can be synthesized thereby
    3.
    发明授权
    Process for synthesizing alkylene bisdithiocarbamates or the ammonia adducts thereof as well as mixtures that can be synthesized thereby 失效
    用于合成亚二烷基双二硫代氨基甲酸酯或其氨加合物的方法以及可由其合成的混合物

    公开(公告)号：US4853475A

    公开(公告)日：1989-08-01

    申请号：US911364

    申请日：1986-09-25

    申请人： Manfred Bergfeld ,  Ludwig Eisenhuth

    发明人： Manfred Bergfeld ,  Ludwig Eisenhuth

    IPC分类号： C07C333/16 ,  C07C67/00 ,  C07C325/00 ,  C07F11/00 ,  C07F13/00

    CPC分类号： C07C333/16

    摘要： The invention relates to a process for synthesizing alkylene bisdithiocarbamates or the ammonia adducts thereof as well as mixtures that can be synthesized thereby. The starting materials are carbon disulfide, ammonia, a diamine and a metal oxide, which may be manganese(II) oxide, or the hydrate or hydroxide thereof. The metal oxide, its hydrate or hydroxide thereof is allowed to react either with a mixture syntheiszed from an alkylenediamine, carbon disulfide and ammonia in water, or with an aqueous solution of the ammonium alkylene bisdithiocarbamate. The concentration of the individual starting materials both relative to each other and to water is of prime importances as to which compounds in particular are ultimately obtained.

    摘要翻译： 本发明涉及一种合成亚二烷基双二硫代氨基甲酸酯或其氨加成物的方法以及可由其合成的混合物。 原料是二硫化碳，氨，二胺和金属氧化物，其可以是氧化锰（II）或其水合物或氢氧化物。 使金属氧化物，其水合物或氢氧化物与由亚烷基二胺，二硫化碳和氨在水中合成的混合物或与二亚硫代氨基甲酸亚烷基亚铵的水溶液反应。 各个起始材料相对于彼此和水的浓度对于最终获得哪些化合物是重要的。

    Process for the preparation of benzothiazolyl-2-sulphenamides
    4.
    发明授权
    Process for the preparation of benzothiazolyl-2-sulphenamides 失效
    苯并噻唑基-2-磺基苯胺的制备方法

    公开(公告)号：US5436346A

    公开(公告)日：1995-07-25

    申请号：US240780

    申请日：1994-06-21

    申请人： Ludwig Eisenhuth ,  Manfred Bergfeld

    发明人： Ludwig Eisenhuth ,  Manfred Bergfeld

    IPC分类号： C07D277/80 ,  A61K31/425 ,  C07D277/72

    CPC分类号： C07D277/80

    摘要： The process for the preparation of benzothiazolyl-2-sulphenamides, by reacting a 2-mercaptobenzothiazole or dibenzothiazolyl 2,2'-disulphide with a primary or secondary aliphatic or cycloaliphatic amine in the presence of hydrogen peroxide as oxidizing agent in an aqueous medium is distinguished in that an aqueous hydrogen peroxide solution is metered at a temperature in the range from 30.degree. to 70.degree. C. into an aqueous suspension of the respective amine and the 2-mercaptobenzothiazole or dibenzothiazolyl 2,2'-disulphide in a ratio in the range between 1.0 and 1.5 mol of amine per mole of 2-mercaptobenzothiazole or per equivalent of dibenzothiazolyl 2,2'-disulphide, preferably in a quantity of below 1.35 mol per mole of 2-mercaptobenzothiazole or per equivalent of dibenzothiazolyl 2,2'-disulphide over a period of at least 60 minutes. The total quantity of water in the reaction mixture should not exceed 1500 g per mole of 2-mercaptobenzothiazole. An environmentally friendly and economic process is provided for the preparation of benzothiazolyl-2-sulphenamides in high yield and with high selectivity.

    摘要翻译： PCT No.PCT / EP92 / 02917 371日期：1994年6月21日 102（e）日期1994年6月21日PCT提交1992年12月16日PCT公布。 公开号WO93 / 13084 日期：1993年7月8日。在过氧化氢作为氧化剂存在下，通过使2-巯基苯并噻唑或二苯并噻唑基2,2'-二硫化物与伯或仲脂族或脂环族胺反应制备苯并噻唑-2-磺酰胺的方法 在水性介质中的试剂的特征在于，将过氧化氢水溶液在30℃至70℃的温度下计量加入到相应的胺和2-巯基苯并噻唑或二苯并噻唑基的水悬浮液中， 以每摩尔2-巯基苯并噻唑或每当量二苯并噻唑基2,2'-二硫化物的1.0至1.5摩尔胺之间的比例的二硫化物，优选以低于1.35摩尔/摩尔2-巯基苯并噻唑或每当量的 二苯并噻唑基2,2'-二硫化物，至少60分钟。 反应混合物中的水的总量不应超过每摩尔2-巯基苯并噻唑1500克。 提供了一种环保经济的方法，以高产率和高选择性制备苯并噻唑-2-磺酰胺。

    Process for synthesizing an ammonia complex of zinc bisdithiocarbamate
    5.
    发明授权
    Process for synthesizing an ammonia complex of zinc bisdithiocarbamate 失效
    合成双二硫代氨基甲酸锌的氨络合物的方法

    公开(公告)号：US4831171A

    公开(公告)日：1989-05-16

    申请号：US911365

    申请日：1986-09-25

    申请人： Manfred Bergfeld ,  Ludwig Eisenhuth

    发明人： Manfred Bergfeld ,  Ludwig Eisenhuth

    IPC分类号： C07F3/06 ,  C07C67/00 ,  C07C325/00 ,  C07C333/16

    CPC分类号： C07C333/16

    摘要： A process for synthesizing ammonia complexes of zinc bisdithiocarbamates, starting from carbon disulfide, ammonia, an alkylenediamine and zinc oxide, in which an aqueous mixture of alkylenediamine, carbon disulfide and ammonia in the molar ratio of 1:2:

    摘要翻译： 从二硫化碳，氨，亚烷基二胺和氧化锌开始合成二硫代氨基甲酸锌的氨络合物的方法，其中亚烷基二胺，二硫化碳和氨的水混合物的摩尔比为1:2:2，即不是 1：2：2，如合成亚烷基双二硫代氨基甲酸铵中间体产物所必需的，与氧化锌反应。

    Process for the production of thiazolyl-2-sulphenamides
    6.
    发明授权
    Process for the production of thiazolyl-2-sulphenamides 失效
    制备噻唑-2-磺酰胺的方法

    公开(公告)号：US4670556A

    公开(公告)日：1987-06-02

    申请号：US628261

    申请日：1984-07-06

    申请人： Hans Zengel ,  Ludwig Eisenhuth ,  Manfred Bergfeld

    发明人： Hans Zengel ,  Ludwig Eisenhuth ,  Manfred Bergfeld

    IPC分类号： B01J23/00 ,  B01J23/72 ,  B01J31/00 ,  B01J31/04 ,  B01J31/16 ,  C07B61/00 ,  C07D277/78 ,  C07D277/80

    CPC分类号： C07D277/78 ,  C07D277/80

    摘要： This invention relates to a process for the production of benzothiazolyl sulphenamides corresponding to the following general formula: ##STR1## in which a corresponding 2-mercaptobenzothiazole or a dibenzothiazolyl-2,2'-disulphide is reacted with a primary or secondary amine at temperatures of from 0 to 100.degree. C. in the presence of ammonia, oxygen, a copper-containing catalyst and a reaction medium containing an excess of the primary or secondary amine or of a mixture of that amine with water and/or a water-miscible organic solvent.Benzothiazolyl sulphenamides are valuable vulcanization accelerators.

    摘要翻译： 本发明涉及一种生产苯并噻唑基苯甲酰胺的方法，其对应于以下通式：其中相应的2-巯基苯并噻唑或二苯并噻唑-2,2'-二硫化物与伯胺或仲胺在 在氨，氧气，含铜催化剂和含有过量的伯胺或仲胺的反应介质或该胺与水和/或水混溶性有机物的混合物存在下，0至100℃ 溶剂。 苯并噻唑磺酰胺是有价值的硫化促进剂。

    Thiuram polysulfide production
    8.
    发明授权
    Thiuram polysulfide production 失效
    秋兰姆多硫化物生产

    公开(公告)号：US5021603A

    公开(公告)日：1991-06-04

    申请号：US732310

    申请日：1985-05-09

    申请人： Manfred Bergfeld ,  Ludwig Eisenhuth ,  Hans-Georg Zengel

    发明人： Manfred Bergfeld ,  Ludwig Eisenhuth ,  Hans-Georg Zengel

    IPC分类号： C07B61/00 ,  B01J23/00 ,  B01J23/10 ,  B01J23/22 ,  B01J23/28 ,  B01J23/34 ,  B01J23/70 ,  B01J23/889 ,  B01J31/04 ,  C07C67/00 ,  C07C325/00 ,  C07C333/32 ,  C07D295/21

    CPC分类号： C07D295/21

    摘要： A process for the production of thiuram polysulfides substituted by aliphatic, araliphatic and/or cycloaliphatic hydrocarbon radicals is disclosed. In this process, correspondingly substituted secondary amines having a pKa value of .gtoreq.8 are reacted with carbon disulfide and sulfur in a solvent at 0.degree. to 150.degree. C. in the presence of a metal-containing catalyst and oxygen or an oxygen-containing gas.By virtue of its high purity, the thiuram polysulfide obtainable in this way may be directly used for its intended purpose, for example as a vulcanization accelerator or sulfur donor.This process is particularly desirable for the substantially quantitative yields and selectivities and also for its high economy arising from the reaction being carried out in a single stage without expensive auxiliaries and from the elimination of an additional purification step.

    摘要翻译： 公开了由脂族，芳脂族和/或脂环族烃基取代的秋兰姆多硫化物的生产方法。 在该方法中，在含金属的催化剂和氧气或氧气的存在下，在0至150℃下，将相应地取代的pKa值> = = 8的仲胺与二硫化碳和硫在溶剂中反应， 含气。 由于其高纯度，以这种方式获得的秋兰姆多硫化物可以直接用于其预期目的，例如作为硫化促进剂或硫供体。 该方法对于基本上定量的产率和选择性以及由于反应在单一阶段中进行而没有昂贵的助剂和从另外的纯化步骤的消除而产生的高经济性是特别希望的。

    Process for the preparation of N,N'-disubstituted guanidines
    10.
    发明授权
    Process for the preparation of N,N'-disubstituted guanidines 失效
    制备N，N'-二取代胍的方法

    公开(公告)号：US4898978A

    公开(公告)日：1990-02-06

    申请号：US819881

    申请日：1986-01-17

    申请人： Manfred Bergfeld ,  Ludwig Eisenhuth ,  Hans Zengel

    发明人： Manfred Bergfeld ,  Ludwig Eisenhuth ,  Hans Zengel

    IPC分类号： C07C277/08

    CPC分类号： C07C277/08

    摘要： A process for the preparation of aromatic N,N'-disubstituted guanidines is described in which the corresponding aromatic N,N'-disubstituted thioureas are reacted with ammonia and oxygen or with an oxygen-containing gas, in the presence of a solvent and elements acting as catalysts having atomic numbers 21 through 30 in the Periodic Table or the lanthanides or the salts, oxides or complexes thereof.

    摘要翻译： 描述了制备芳族N，N'-二取代胍的方法，其中相应的芳族N，N'-二取代的硫脲在溶剂和元素存在下与氨和氧或含氧气体反应 在元素周期表中作为原子序数21至30的催化剂或其镧系元素或其盐，氧化物或络合物。