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19 条记录 (耗时 0.013 秒)

    Process for producing triarylphosphites
    11.
    发明授权
    Process for producing triarylphosphites 失效
    亚磷酸三芳基酯的制备方法

    公开(公告)号：US4492661A

    公开(公告)日：1985-01-08

    申请号：US510706

    申请日：1983-07-05

    申请人： Rudolf Maul ,  Eberhard Otto ,  Horst Zinke

    发明人： Rudolf Maul ,  Eberhard Otto ,  Horst Zinke

    IPC分类号： C07F9/145 ,  C07F9/141

    CPC分类号： C07F9/145

    摘要： A process for producing triarylphosphites of the formula (RO).sub.3 P, in which R represents aryl or aryl substituted by one or more straight-chain or branched-chain alkyl, cycloalkyl, aryl or aralkyl groups, by reaction of phosphorus trihalides with hydroxy-substituted aromatic compounds of the formula ROH in the presence of 0.005 to 10 mol %, relative to the hydroxy-substituted aromatic compound, of a catalyst, optionally in the presence of a solvent, in which process the catalyst used is a compound from the group comprising amines or ammonium salts, amides of carboxylic and thiocarboxylic acids and also of oxygen acids of phosphorus, non-aromatic nitrogen-containing heterocycles and salts thereof, guanidines, amidines and azomethines and also salts thereof, sulfones, sulfoxides and sulfonium salts, primary, secondary and tertiary phosphines and salts thereof, phosphine oxides, phosphine sulfides or esters of phosphoric acids.

    摘要翻译： 一种制备式（RO）3P的三芳基亚磷酸酯的方法，其中R代表芳基或被一个或多个直链或支链烷基，环烷基，芳基或芳烷基取代的芳基，通过三卤化磷与羟基取代 任选在溶剂存在下，在相对于羟基取代的芳族化合物0.005至10摩尔％存在下，式ROH的芳族化合物，其中使用的催化剂是包含以下物质的化合物： 胺或铵盐，羧酸和硫代羧酸的酰胺，以及磷的氧酸，非芳族含氮杂环及其盐，胍，脒和偶氮甲碱，以及它们的盐，砜，亚砜和锍盐，初级，次级 和叔膦及其盐，氧化膦，磷化氢硫化物或磷酸的酯。

    Continuous process for producing 1,2-alkanediols
    12.
    发明授权
    Continuous process for producing 1,2-alkanediols 失效
    连续生产1,2-链烷二醇的方法

    公开(公告)号：US4479021A

    公开(公告)日：1984-10-23

    申请号：US527923

    申请日：1983-08-30

    申请人： Heinz Issler ,  Rudolf Maul

    发明人： Heinz Issler ,  Rudolf Maul

    IPC分类号： C07C27/00 ,  C07C27/02 ,  C07C29/03 ,  C07C31/20 ,  C07C67/00 ,  C07C29/86

    CPC分类号： C07C29/03

    摘要： There is described a continuous process for producing 1,2-alkanediols of the formula ##STR1## in which R is an alkyl group having 3-6 carbon atoms, by reaction of a 1-alkene of the formulaR--CH.dbd.CH.sub.2in which R is as defined above, with formic acid and hydrogen peroxide, and subsequent saponification of the formed alkanediol monoformate, which process is performed in several consecutive reaction stages.The 1,2-alkanediols of the above formula obtainable by the process are intermediates for the production of pesticides.

    摘要翻译： 描述了通过式R-CH = CH 2的1-烯烃的反应生产式为“IMAGE”的1,2-链烷二醇的连续方法，其中R是具有3-6个碳原子的烷基，其中 R如上定义，与甲酸和过氧化氢，随后皂化形成的链烷二醇单甲酸酯，该方法在几个连续的反应阶段进行。 通过该方法可得到的上式的1,2-链烷二醇是生产农药的中间体。

    Process for producing triarylphosphites
    13.
    发明授权
    Process for producing triarylphosphites 失效
    亚磷酸三芳基酯的制备方法

    公开(公告)号：US4440696A

    公开(公告)日：1984-04-03

    申请号：US307474

    申请日：1981-10-01

    申请人： Rudolf Maul ,  Eberhard Otto ,  Horst Zinke

    发明人： Rudolf Maul ,  Eberhard Otto ,  Horst Zinke

    IPC分类号： C07F9/145 ,  C07F9/141

    CPC分类号： C07F9/145

    摘要： A process for producing triarylphosphites of the formula (RO).sub.3 P, in which R represents aryl or aryl substituted by one or more straight-chain or branched-chain alkyl, cycloalkyl, aryl or aralkyl groups, by reaction of phosphorous trihalides with hydroxy-substituted aromatic compounds of the formula ROH in the presence of 0.005 to 10 mol %, relative to the hydroxy-substituted aromatic compound, of a catalyst, optionally in the presence of a solvent, in which process the catalyst used is a compound from the group comprising amines or ammonium salts, amides of carboxylic and thiocarboxylic acids and also of oxygen acids of phosphorus, non-aromatic nitrogen-containing heterocycles and salts thereof, guanidines, amidines and azomethines and also salts thereof, sulfones, sulfoxides and sulfonium salts, primary, secondary and tertiary phosphines and salts thereof, phosphine oxides, phosphine sulfides or esters of phosphoric acids.

    摘要翻译： 一种制备式（RO）3P的三芳基亚磷酸酯的方法，其中R表示通过一个或多个直链或支链烷基，环烷基，芳基或芳烷基取代的芳基或芳基，通过三卤化磷与羟基取代 任选在溶剂存在下，在相对于羟基取代的芳族化合物0.005至10摩尔％存在下，式ROH的芳族化合物，其中使用的催化剂是包含以下物质的化合物： 胺或铵盐，羧酸和硫代羧酸的酰胺，以及磷的氧酸，非芳族含氮杂环及其盐，胍，脒和偶氮甲碱及其盐，砜，亚砜和锍盐，初级，次级 和叔膦及其盐，氧化膦，磷化氢硫化物或磷酸的酯。

    Process for the preparation of tris(2,4-ditert-butylphenyl)phosphite
    16.
    发明授权
    Process for the preparation of tris(2,4-ditert-butylphenyl)phosphite 失效
    制备三（2,4-二叔丁基苯基）亚磷酸酯的方法

    公开(公告)号：US5235086A

    公开(公告)日：1993-08-10

    申请号：US759987

    申请日：1991-09-16

    申请人： Rudolf Maul ,  Volker Schenk

    发明人： Rudolf Maul ,  Volker Schenk

    IPC分类号： C07F9/145

    CPC分类号： C07F9/145

    摘要： A process for the preparation of tris-(2,4-ditert-butylphenyl) phosphite from 2,4-ditert-butylphenol and phosphorus trichloride in the presence of catalysts, which comprises carrying out the reaction in an at least three-stage process in which the 2,4-ditert-butylphenol and 40-100% of the catalyst are combined in a preliminary stage and are brought together with the phosphorus trichloride in a first stage, these being allowed to react under normal pressure and at temperatures of 55.degree. to 70.degree. C. for a dwell time of 15 to 40 minutes, the reaction mixture is then reacted in a second stage under normal pressure and at temperatures of over 140.degree. C., remaining amounts of catalyst being added to the first and/or second reaction stage, the reaction mixture is then kept under reduced pressure at temperatures of at least 186.degree. C. in a third reaction stage, and the tris-(2,4-ditert-butylphenyl) phosphite is then isolated from the reaction mixture, the process being carried out in the absence of solvents.

    摘要翻译： 一种在催化剂存在下由2,4-二叔丁基苯酚和三氯化磷制备三（2,4-二叔丁基苯基）亚磷酸酯的方法，包括在至少三步法中进行反应 其中2,4-二叔丁基苯酚和40-100％的催化剂在初级阶段合并，并在第一阶段与三氯化磷一起使其在常压下和在55℃的温度下反应 至70℃，停留时间为15至40分钟，然后将反应混合物在常压下和在超过140℃的温度的第二阶段中反应，将催化剂的剩余量加入到第一和/或 在第二反应阶段，然后在第三反应阶段将反应混合物在至少186℃的温度下保持在减压下，然后从反应混合物中分离出三 - （2,4-二叔丁基苯基）亚磷酸酯， 该过程正在进行中 溶剂。

    Process for the preparation of sterically hindered hydroxybenzylphosphonates
    17.
    发明授权
    Process for the preparation of sterically hindered hydroxybenzylphosphonates 失效
    制备异位羟基苯甲酰磷酸酯的方法

    公开(公告)号：US5171873A

    公开(公告)日：1992-12-15

    申请号：US861704

    申请日：1992-04-01

    申请人： Thomas Kainmuller ,  Rudolf Maul

    发明人： Thomas Kainmuller ,  Rudolf Maul

    IPC分类号： B01J31/04 ,  C07B61/00 ,  C07F9/40

    CPC分类号： C07F9/4056

    摘要： A process for the preparation of hydroxybenzylphosphonates of forula ##STR1## by reacting Mannich base of formula ##STR2## with as trialkyl phosphite of formula ##STR3## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.12 alkyl or, when taken together form a piperidinyl or morpholinyl radical, and R.sub.5, R.sub.6 and R.sub.7 are each independently of one another C.sub.1 -C.sub.4 alkyl, which reaction is carried out in the presence of a carboxylic anhydride (IV).The compounds of formula I may suitably be used as processing stabilizers for plastics.

    摘要翻译： 通过使式（I）的曼尼希碱与式（III）的亚磷酸三烷基酯反应制备式（I）的羟基苄基膦酸盐的方法，其中R1和R2各自独立地为C1 -C 12烷基，或者当一起形成哌啶基或吗啉基时，R 5，R 6和R 7各自独立地为C 1 -C 4烷基，该反应在羧酸酐（IV）的存在下进行。 式I化合物可适当地用作塑料的加工稳定剂。

    Process for the preparation of polyesters from aliphatic dicarboxylic acids and polyalkylpiperidyl diols
    18.
    发明授权
    Process for the preparation of polyesters from aliphatic dicarboxylic acids and polyalkylpiperidyl diols 失效
    从脂族二羧酸和聚烷基哌啶二醇制备聚酯的方法

    公开(公告)号：US4535145A

    公开(公告)日：1985-08-13

    申请号：US626507

    申请日：1984-06-29

    申请人： Eduard Troxler ,  Thomas Kainmuller ,  Rudolf Maul

    发明人： Eduard Troxler ,  Thomas Kainmuller ,  Rudolf Maul

    IPC分类号： C08G63/00 ,  C08G63/66 ,  C08G63/68 ,  C08G63/685 ,  C08G63/688 ,  C08G63/82 ,  C08G63/85 ,  C08G73/06 ,  C08G63/44 ,  C08G73/16

    CPC分类号： C08G63/6856 ,  C08G63/85

    摘要： The invention relates to a novel process for the preparation of compounds of the formula I ##STR1## by polycondensation of a diol of the formula II ##STR2## with a dicarboxylic acid ester of the formula III ##STR3## In the above formulae, the substituents and symbols R.sub.1, R.sub.2, R.sub.3 and n are as defined in claim 1.The process comprises stirring the reaction medium which contains an excess of 2 to 50 mol. %, based on the diol of formula II, of the dicarboxylic acid ester of the formula III, in the presence of at least 0.03 mol. % of a suitable catalyst, until the bulk of the alkanol of the formula R.sub.3 OH formed during the reaction is distilled off, under a pressure of 0.7 to 1.3 bar, and thereafter stirring under a pressure of less than 5 mbar, in the temperature range from 100.degree. to 170.degree. C., and subsequently working up the resultant melt in conventional manner.

    摘要翻译： 本发明涉及通过式II（Ⅱ）的二醇与式III的二羧酸酯缩合制备式I化合物（I）的新方法（IMAGE III）在上式中，取代基和符号R1，R2，R3和n如权利要求1中所定义。该方法包括搅拌含有过量2-50mol的反应介质。 ％，基于式II的二元醇，式III的二羧酸酯在至少0.03mol的存在下反应。 ％的合适的催化剂，直到在反应中形成的式R3OH的烷醇的主体在0.7至1.3巴的压力下蒸馏出，然后在小于5毫巴的压力下搅拌，温度范围为 100℃至170℃，然后以常规方式处理所得的熔体。