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    Multiple-step process for the preparation of hexamethylene diisocyanate-1,6 and/or isomeric aliphatic diisocyanates with six carbon atoms in the alkylene residue
    51.
    发明授权
    Multiple-step process for the preparation of hexamethylene diisocyanate-1,6 and/or isomeric aliphatic diisocyanates with six carbon atoms in the alkylene residue 失效
    用于制备在亚烷基残基中具有6个碳原子的六亚甲基二异氰酸酯-1,6-和/或异构脂族二异氰酸酯的多步法

    公开(公告)号：US4596678A

    公开(公告)日：1986-06-24

    申请号：US600143

    申请日：1984-04-13

    申请人： Franz Merger ,  Friedrich Towae ,  Hans Hellbach ,  Gunther Isbarn ,  Waldemar Koehler

    发明人： Franz Merger ,  Friedrich Towae ,  Hans Hellbach ,  Gunther Isbarn ,  Waldemar Koehler

    IPC分类号： C07C265/14 ,  C07C67/00 ,  C07C69/00 ,  C07C241/00 ,  C07C263/04 ,  C07C263/06 ,  C07C265/04

    CPC分类号： C07C263/04

    摘要： Hexamethylene diisocyanate and/or isomeric alkylene diisocyanates having 6 carbon atoms in the alkylene radical, preferably 2-methylpentamethylene 1,5-diisocyanate and/or 2-ethyltetramethylene 1,4-diisocyanate are prepared without the use of phosgene in a multiple-step process by means of(a) reacting hexamethylene 1,6-diamine and/or isomeric alkylene diamines having 6 carbon atoms in the alkylene radical with urea and alcohol in the presence of dialkyl carbonate and/or carbamic acid alkyl ester as well as, in some cases, catalysts to form hexamethylene 1,6-dialkylurethane and/or isomeric alkylene dialkylurethanes having 6 carbon atoms in the alkylene radical,(b) separation and return to reaction step (a) of alcohol, dialkyl carbonate, and/or carbamic acid alkyl ester from the reaction mixture(c) evaporation of the hexamethylene 1,6-dialkylurethane and/or isomeric alkylene dialkylurethanes having 6 carbon atoms in the alkylene radical,(d) cleavage of the vaporized diurethanes into hexamethylene diisocyanate and/or isomeric alkylene diisocyanate having 6 carbon atoms in the alkylene radical and alcohol, and(e) fractional condensation of the cleavage products.

    摘要翻译： 在多步法中不使用光气制备在亚烷基中具有6个碳原子的六亚甲基二异氰酸酯和/或异构亚烷基二异氰酸酯，优选2-甲基五亚甲基-1,5-二异氰酸酯和/或2-乙基四亚甲基1,4-二异氰酸酯 通过（a）在碳酸二烷基酯和/或氨基甲酸烷基酯的存在下，使亚烷基中的六亚甲基1,6-二胺和/或具有6个碳原子的异构亚烷基二胺与脲和醇反应，以及在一些 情况下，在亚烷基中形成具有6个碳原子的六亚甲基1,6-二烷基氨基甲酸酯和/或异构亚烷基二烷基氨基甲酸酯的催化剂，（b）分离并返回到醇，碳酸二烷基酯和/或氨基甲酸烷基酯的反应步骤（a） （c）在亚烷基中蒸发具有6个碳原子的六亚甲基1,6-二烷基氨基甲酸酯和/或异构亚烷基二烷基氨基甲酸酯，（d）将汽化的二氨基甲酸酯裂解成h 亚烷基二异氰酸酯和/或亚烷基和醇中具有6个碳原子的异构亚烷基二异氰酸酯，和（e）裂解产物的分级缩合。

    Preparation of carbamates
    52.
    发明授权
    Preparation of carbamates 失效
    氨基甲酸酯的制备

    公开(公告)号：US4537960A

    公开(公告)日：1985-08-27

    申请号：US529037

    申请日：1983-09-02

    申请人： Franz Merger ,  Gerhard Nestler ,  Friedrich Towae

    发明人： Franz Merger ,  Gerhard Nestler ,  Friedrich Towae

    IPC分类号： C07D295/13 ,  C07C125/065 ,  C07D265/30 ,  C07D295/14

    CPC分类号： C07D295/13

    摘要： N- and O-substituted carbamates are prepared by reacting urea with an aminopropanol at 140.degree. C. or above. The compounds obtained by the novel process are useful starting materials for the preparation of textile finishing agents, stabilizers, plasticizers, dyes and crop protection agents.

    摘要翻译： N-和O-取代的氨基甲酸酯通过使脲与氨基丙醇在140℃或更高温度下反应来制备。 通过新方法获得的化合物是用于制备纺织整理剂，稳定剂，增塑剂，染料和作物保护剂的起始材料。

    Preparation of tertiary alcohols
    53.
    发明授权
    Preparation of tertiary alcohols 失效
    叔醇的制备

    公开(公告)号：US4493801A

    公开(公告)日：1985-01-15

    申请号：US317001

    申请日：1981-11-02

    申请人： Franz Merger ,  Gerhard Nestler

    发明人： Franz Merger ,  Gerhard Nestler

    IPC分类号： C07C29/00 ,  C07C29/50 ,  C07C69/28 ,  C07C121/34 ,  C07C67/00

    CPC分类号： C07C255/00 ,  C07C29/00 ,  C07C29/50

    摘要： Tertiary alcohols are prepared by oxidizing tertiary aldehydes with oxygen at elevated temperatures.The tertiary alcohols prepared in this way are valuable and versatile intermediates for dyes, drugs and crop protection agents and are used, for example, in the preparation of agrochemicals.

    摘要翻译： 在高温下用氧气氧化叔醛制备叔醇。 以这种方式制备的叔醇是用于染料，药物和作物保护剂的有价值和通用的中间体，并且用于例如农药的制备。

    Process for the preparation of an aryl mono-, di-, and/or polyurethane
    55.
    发明授权
    Process for the preparation of an aryl mono-, di-, and/or polyurethane 失效
    芳基单 - ，二 - 和/或聚氨酯的制备方法

    公开(公告)号：US4375000A

    公开(公告)日：1983-02-22

    申请号：US135242

    申请日：1980-03-31

    申请人： Franz Merger ,  Friedrich Towae ,  Wolfgang Harder

    发明人： Franz Merger ,  Friedrich Towae ,  Wolfgang Harder

    IPC分类号： C07C271/06 ,  C07C125/07 ,  C07C125/063 ,  C07C125/077

    CPC分类号： C07C271/06

    摘要： A process for the preparation of an aryl mono-, di-, and/or polyurethane comprising the steps of A. reacting a primary aromatic mono-, di-, and/or polyamine with an O-alkyl carbamate in the presence of an alcohol at temperatures greater than 160.degree. C., andB. separating the ammonia and other by-products from the aryl mono-, di-, and/or polyurethane.The reaction is preferably carried out in the presence of urea. The aryl mono-, di-, and/or polyurethanes produced are valuable end and intermediate products. They can be transferred into the corresponding isocyanates which can then be used for the preparation of polyurethanes.

    摘要翻译： 一种制备芳基单 - ，二 - 和/或聚氨酯的方法，包括以下步骤：在醇存在下使主芳族单 - ，二 - 和/或多胺与氨基甲酸O-烷基酯反应 在大于160℃的温度下，和B.将氨和其它副产物与芳基单 - ，二 - 和/或聚氨酯分离。 反应优选在尿素存在下进行。 所生产的芳基单，二和/或聚氨酯是有价值的终端和中间产物。 它们可以转移到相应的异氰酸酯中，然后可以用于制备聚氨酯。

    Preparation of N-aryloxazolidine-2,4-diones
    56.
    发明授权
    Preparation of N-aryloxazolidine-2,4-diones 失效
    N-芳基恶唑烷-2,4-二酮的制备

    公开(公告)号：US4294971A

    公开(公告)日：1981-10-13

    申请号：US127759

    申请日：1980-03-06

    申请人： Franz Merger ,  Friedrich Towae

    发明人： Franz Merger ,  Friedrich Towae

    IPC分类号： B01J23/00 ,  C07B61/00 ,  C07D263/44 ,  C07D263/52 ,  C07D263/04

    CPC分类号： C07D263/44

    摘要： N-Aryloxazolidine-2,4-diones are prepared by reacting a nitrobenzene with a 2-hydroxycarboxylic acid ester and carbon monoxide in the presence of selenium and a basic compound under super-atmospheric pressure and at an elevated temperature.The N-aryloxazolidine-2,4-diones of the formula I, obtainable by the process of the invention are valuable active ingredients and starting materials for the preparation of crop protection agents, dyes and drugs.

    摘要翻译： 通过在超大气压和升高的温度下，在硒和碱性化合物的存在下，使硝基苯与2-羟基羧酸酯和一氧化碳反应来制备N-芳基恶唑烷-2,4-二酮。 通过本发明的方法获得的式I的N-芳基恶唑烷-2,4-二酮是用于制备作物保护剂，染料和药物的有价值的活性成分和起始材料。

    Process for the preparation of an aryl mono-, di-, and/or polyurethane
    57.
    发明授权
    Process for the preparation of an aryl mono-, di-, and/or polyurethane 失效
    芳基单 - ，二 - 和/或聚氨酯的制备方法

    公开(公告)号：US4278805A

    公开(公告)日：1981-07-14

    申请号：US135246

    申请日：1980-03-31

    申请人： Franz Merger ,  Friedrich Towae

    发明人： Franz Merger ,  Friedrich Towae

    IPC分类号： C08G18/70 ,  C07C125/07 ,  C07C125/063 ,  C07C125/077

    CPC分类号： C08G18/701

    摘要： A process for the preparation of an aryl-mono and/or polyurethane comprising the steps ofA. reacting a primary aromatic mono, di-, and/or polyamine with an O-alkyl carbamate in the presence of alcohol and catalysts, andB. separating the ammonia and other by-products from the aliphatic and/or cycloaliphatic di- and/or polyurethane.The reaction is preferably carried out in the presence of urea. The aryl mono-, di-, and/or polyurethanes produced are valuable end and intermediate products. They can be transferred into the corresponding isocyanates which can then be used for the preparation of polyurethanes.

    摘要翻译： 一种制备芳基单和/或聚氨酯的方法，包括以下步骤：在醇和催化剂存在下，使伯芳基单，二胺和/或多胺与氨基甲酸O-烷基酯反应。 从脂族和/或脂环族二酯和/或聚氨酯中分离氨和其它副产物。 反应优选在尿素存在下进行。 所生产的芳基单，二和/或聚氨酯是有价值的终端和中间产物。 它们可以转移到相应的异氰酸酯中，然后可以将其用于制备聚氨酯。

    Preparation of 2-substituted but-2-ene-1,4-dial-4-acetals and novel hemiacetals of glyoxal monoacetals
    60.
    发明授权
    Preparation of 2-substituted but-2-ene-1,4-dial-4-acetals and novel hemiacetals of glyoxal monoacetals 失效
    2-取代的丁-2-烯-1,4-表面-4-缩醛的制备和乙二醛单缩醛的新半缩醛

    公开(公告)号：US5576449A

    公开(公告)日：1996-11-19

    申请号：US314955

    申请日：1994-09-29

    申请人： J urgen Frank ,  Johann-Peter Melder ,  Franz Merger ,  Tom Witzel

    发明人： J urgen Frank ,  Johann-Peter Melder ,  Franz Merger ,  Tom Witzel

    IPC分类号： C07D319/06

    CPC分类号： C07D319/06

    摘要： The preparation of 2-substituted but-2-ene-1,4-dial-4-acetals of the formula I ##STR1## in which the substituents R.sup.1 to R.sup.4 stand for hydrogen or C.sub.1 -C.sub.6 aliphatic radicals, and R.sup.2 and R.sup.3 or R.sup.1 and R.sup.2 are in each case common members of an aliphatic 4-membered to 7-membered ring, which can contain a hetero atom, and R.sup.5 denotes an alkyl, alkenyl, or alkynyl radical having from 1 to 12 C atoms, which can be substituted by cycloaliphatic, aromatic or heterocyclic radicals or by hydroxy, ether, thioether, acyl, alkylamino, carboxy, or carbalkoxy groups, an optionally substituted aryl radical or an alkoxy, alkylthio, or acyloxy group, whereina) glyoxal is caused to react with a 1,3-propanediol of the formula II ##STR2## in aqueous solution in the presence of an acid to form a monoacetal of the formula III ##STR3## is neutralized, and if necessary the components more readily volatile than the monoacetal III are distilled off,b) the monoacetal III obtained is caused to react with an aldehyde R.sup.5 CH.sub.2 --CHO in the presence of from 0.01 to 10 mol %, based on glyoxal, of a catalyst mixture of a secondary amine and an acid to form an aldol of the formula IV ##STR4## the components which are more volatile than the aldol IV being distilled off if necessary, andc) the aldol IV is dehydrated in the presence of a water-eliminating agent to form the product I,and novel hemiacetals of glyoxal monoacetals.

    摘要翻译： 制备其中取代基R 1至R 4代表氢或C 1 -C 6脂族基团的式I I 2的2-取代的丁-2-烯-1,4-二甲氧基-4-缩醛，以及R 2和R 3 或者R 1和R 2各自为可以含有杂原子的脂肪族4元〜7元环的共同成员，R 5表示具有1〜12个C原子的烷基，烯基或炔基，其可以 被脂环族，芳族或杂环基取代，或被羟基，醚，硫醚，酰基，烷基氨基，羧基或烷氧基取代，任选取代的芳基或烷氧基，烷硫基或酰氧基，其中a）使乙二醛反应 与式II II的1,3-丙二醇在酸存在下在水溶液中形成式III的单缩醛中和，如果需要，组分比单缩醛更容易挥发 III蒸馏掉，b）使获得的单缩醛III与醛反应 在基于乙二醛的0.01至10mol％的存在下，将仲胺和酸的催化剂混合物形成式IV的醛醇，得到更具挥发性的组分 如果需要，醛醇IV被蒸馏，和c）醛醇IV在除水剂存在下脱水以形成产物I，和乙二醛单缩醛的新型半缩醛。