利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

93 条记录 (耗时 0.018 秒)

    Method for preparing aromatic secondary amino compound
    1.
    发明授权
    Method for preparing aromatic secondary amino compound 失效
    芳香族仲氨基化合物的制备方法

    公开(公告)号：US5382690A

    公开(公告)日：1995-01-17

    申请号：US100149

    申请日：1993-08-02

    申请人： Teruyuki Nagata ,  Chiyuki Kusuda ,  Masaru Wada ,  Kenichi Satou

    发明人： Teruyuki Nagata ,  Chiyuki Kusuda ,  Masaru Wada ,  Kenichi Satou

    IPC分类号： C07C209/00 ,  C07C209/28 ,  C07C209/52 ,  C07C209/68 ,  C07C213/02

    CPC分类号： C07C209/00 ,  C07C209/28 ,  C07C209/52 ,  C07C209/68

    摘要： Disclosed are(1) a method for preparing an aromatic secondary amino compound which comprises reacting an N-cyclohexylideneamino compound in the presence of a hydrogen moving catalyst and a hydrogen acceptor by the use of a sulfur-free polar solvent and/or a cocatalyst, and(2) a method for preparing an aromatic secondary amino compound which comprises reacting cyclohexanone or a nucleus-substituted cyclohexanone, an amine and a nitro compound corresponding to the amine in a sulfur-free polar solvent in the presence of a hydrogen moving catalyst, a cocatalyst being added or not added.

    摘要翻译： 公开的是（1）一种制备芳香族仲氨基化合物的方法，其包括在氢移动催化剂和氢受体存在下，通过使用无硫极性溶剂和/或助催化剂使N-亚环己基氨基化合物反应， 和（2）一种制备芳族仲氨基化合物的方法，其包括在氢移动催化剂存在下，在无硫极性溶剂中使环己酮或核取代的环己酮，对应于胺的胺和硝基化合物反应， 添加或不添加助催化剂。

    Method for preparing aromatic secondary amino compound
    3.
    发明授权
    Method for preparing aromatic secondary amino compound 失效
    芳香族仲氨基化合物的制备方法

    公开(公告)号：US5536878A

    公开(公告)日：1996-07-16

    申请号：US353379

    申请日：1994-12-02

    申请人： Teruyuki Nagata ,  Chiyuki Kusuda ,  Masaru Wada ,  Kenichi Satou ,  Masae Uchida

    发明人： Teruyuki Nagata ,  Chiyuki Kusuda ,  Masaru Wada ,  Kenichi Satou ,  Masae Uchida

    IPC分类号： C07C209/00 ,  C07C209/28 ,  C07C209/52 ,  C07C209/68 ,  C07C209/24

    CPC分类号： C07C209/00 ,  C07C209/28 ,  C07C209/52 ,  C07C209/68

    摘要： Disclosed are (1) a method for preparing an aromatic secondary amino compound which comprises reacting an N-cyclohexylideneamino compound in the presence of a hydrogen moving catalyst and a hydrogen acceptor by the use of a sulfur-free polar solvent and/or a cocatalyst, and (2) a method for preparing an aromatic secondary amino compound which comprises reacting cyclohexanone or a nucleus-substituted cyclohexanone, an amine and a nitro compound corresponding to the amine in a sulfur-free polar solvent in the presence of a hydrogen moving catalyst, a cocatalyst being added or not added. In a further aspect, a method is provided for the preparation of aminodiphenylamine by reacting phenylenediamine and cyclohexanone in the presence of a hydrogen transfer catalyst in a sulfur-free polar solvent while using nitroaniline as a hydrogen acceptor.

    摘要翻译： 公开的是（1）一种制备芳香族仲氨基化合物的方法，其包括在氢移动催化剂和氢受体存在下，通过使用无硫极性溶剂和/或助催化剂使N-亚环己基氨基化合物反应， 和（2）一种制备芳族仲氨基化合物的方法，其包括在氢移动催化剂存在下，在无硫极性溶剂中使环己酮或核取代的环己酮，对应于胺的胺和硝基化合物反应， 添加或不添加助催化剂。 在另一方面，提供了一种通过在氢转移催化剂存在下，在无硫极性溶剂中使苯二胺和环己酮反应制备氨基二苯胺的方法，同时使用硝基苯胺作为氢受体。

    Method for preparing aromatic secondary amino compound
    4.
    发明授权
    Method for preparing aromatic secondary amino compound 失效
    芳香族仲氨基化合物的制备方法

    公开(公告)号：US5618980A

    公开(公告)日：1997-04-08

    申请号：US640022

    申请日：1996-04-30

    申请人： Teruyuki Nagata ,  Chiyuki Kusuda ,  Masaru Wada ,  Kenichi Satou ,  Masae Uchida

    发明人： Teruyuki Nagata ,  Chiyuki Kusuda ,  Masaru Wada ,  Kenichi Satou ,  Masae Uchida

    IPC分类号： C07C209/00 ,  C07C209/28 ,  C07C209/52 ,  C07C209/68

    CPC分类号： C07C209/00 ,  C07C209/28 ,  C07C209/52 ,  C07C209/68

    摘要： Disclosed are (1) a method for preparing an aromatic secondary amino compound which comprises reacting an N-cyclohexylideneamino compound in the presence of a hydrogen moving catalyst and a hydrogen acceptor by the use of a sulfur-free polar solvent and/or a cocatalyst, and(2) a method for preparing an aromatic secondary amino compound which comprises reacting cyclohexanone or a nucleus-substituted cyclohexanone, an amine and a nitro compound corresponding to the amine in a sulfur-free polar solvent in the presence of a hydrogen moving catalyst, a cocatalyst being added or not added. In a further aspect, a method is provided for the preparation of aminodiphenylamine by reacting phenylenediamine and cyclohexanone in the presence of a hydrogen transfer catalyst in a sulfur-free polar solvent while using nitroaniline as a hydrogen acceptor.

    摘要翻译： 公开的是（1）一种制备芳香族仲氨基化合物的方法，其包括在氢移动催化剂和氢受体存在下，通过使用无硫极性溶剂和/或助催化剂使N-亚环己基氨基化合物反应， 和（2）一种制备芳族仲氨基化合物的方法，其包括在氢移动催化剂存在下，在无硫极性溶剂中使环己酮或核取代的环己酮，对应于胺的胺和硝基化合物反应， 添加或不添加助催化剂。 在另一方面，提供了一种通过在氢转移催化剂存在下，在无硫极性溶剂中使苯二胺和环己酮反应制备氨基二苯胺的方法，同时使用硝基苯胺作为氢受体。

    Process for the preparation of diphenylamine or nucleus-substituted derivative thereof
    5.
    发明授权
    Process for the preparation of diphenylamine or nucleus-substituted derivative thereof 失效
    二苯胺或其取代衍生物的制备方法

    公开(公告)号：US5545752A

    公开(公告)日：1996-08-13

    申请号：US458294

    申请日：1995-06-02

    申请人： Teruyuki Nagata ,  Chiyuki Kusuda ,  Masaru Wada

    发明人： Teruyuki Nagata ,  Chiyuki Kusuda ,  Masaru Wada

    IPC分类号： C07C209/18 ,  C07C209/28

    CPC分类号： C07C209/18 ,  C07C209/28

    摘要： A processes for the preparation of diphenylamine or a nucleus-substituted derivative thereof, which comprise, upon feeding into a reaction system a phenol compound and reacting in the reaction system a cyclohexanone compound with an aniline compound in the presence of a hydrogen transfer catalyst and a catalytic amount of the cyclohexanone compound corresponding to the phenol compound while using the phenol compound as a hydrogen acceptor and forming the cyclohexanone compound in the reaction system, (1) conducting reaction while adding dropwise the aniline compound and (2) employing a hydroxide, carbonate or bicarbonate of an alkali metal and/or alkaline earth metal when the hydrogen transfer catalyst is one of noble metals of Group VIII of the periodic table, respectively.

    摘要翻译： 一种二苯胺或其取代衍生物的制备方法，其包括在反应体系中加入酚化合物，并在氢转移催化剂存在下使反应体系中的环己酮化合物与苯胺化合物反应， 催化量的对应于酚化合物的环己酮化合物，同时使用酚化合物作为氢受体并在反应体系中形成环己酮化合物，（1）在滴加苯胺化合物的同时进行反应，和（2）使用氢氧化物，碳酸酯 或氢过渡催化剂分别为周期表第Ⅷ族贵金属之一时，碱金属和/或碱土金属的碳酸氢盐。

    Process for the preparation of diphenylamine
    6.
    发明授权
    Process for the preparation of diphenylamine 失效
    二苯胺制备方法

    公开(公告)号：US5449829A

    公开(公告)日：1995-09-12

    申请号：US260903

    申请日：1994-06-15

    申请人： Chiyuki Kusuda ,  Masaru Wada ,  Teruyuki Nagata

    发明人： Chiyuki Kusuda ,  Masaru Wada ,  Teruyuki Nagata

    IPC分类号： C07C209/26 ,  C07C209/28 ,  C07C209/04

    CPC分类号： C07C209/28 ,  C07C209/26

    摘要： A diphenylamine with both the phenyl groups being substituted is prepared by reacting a phenol with ammonia in the presence of a hydrogen transfer catalyst and a cyclohexanone; or by converting a portion of the phenol to the cyclohexanone in the presence of a hydrogen transfer catalyst and under hydrogen pressure and then reacting the remaining portion of the phenol with ammonia in the presence of the cyclohexanone so converted and the hydrogen transfer catalyst. The diphenylamine can be obtained very efficiently.

    摘要翻译： 具有两个苯基取代的二苯胺通过在氢转移催化剂和环己酮的存在下使苯酚与氨反应来制备; 或者通过在氢转移催化剂的存在下和在氢气压力下将一部分酚转化为环己酮，然后在所转化的环己酮和氢转移催化剂的存在下使酚的剩余部分与氨反应。 可以非常有效地获得二苯胺。

    Process for producing alkoxy-substituted triphenylamines
    7.
    发明授权
    Process for producing alkoxy-substituted triphenylamines 失效
    制备烷氧基取代的三苯胺的方法

    公开(公告)号：US5654483A

    公开(公告)日：1997-08-05

    申请号：US575091

    申请日：1995-12-19

    申请人： Chiyuki Kikuchi ,  Hiroshi Naruse ,  Masaru Wada ,  Teruyuki Nagata

    发明人： Chiyuki Kikuchi ,  Hiroshi Naruse ,  Masaru Wada ,  Teruyuki Nagata

    IPC分类号： C07C213/02 ,  C07C213/08 ,  C07C217/84 ,  C07C209/04 ,  C07C209/18

    CPC分类号： C07C213/02 ,  C07C213/08 ,  C07C217/84

    摘要： A process for producing an alkoxy-substituted tri-phenylamine comprising reacting an alkoxy-substituted cyclohexanone with a diphenylamine or an aniline, while forming said cyclohexanone in the same system from an alkoxy-substituted phenol by using said phenol as a hydrogen acceptor, in the presence of a hydrogen transfer catalyst and a catalytic amount of the alkoxy-substituted cyclohexanone corresponding to the alkoxy-substituted phenol used for the reaction, or after converting partially the alkoxy-substituted phenol to a catalytic amount of the alkoxy-substituted cyclohexanone under a hydrogen pressure in the presence of a hydrogen transfer catalyst, wherein a surface-supported catalyst is used as the hydrogen transfer catalyst.

    摘要翻译： 一种制备烷氧基取代的三苯胺的方法，包括使烷氧基取代的环己酮与二苯胺或苯胺反应，同时通过使用所述苯酚作为氢受体，从烷氧基取代的苯酚形成所述环己酮，同时在 存在氢转移催化剂和催化量的对应于用于反应的烷氧基取代的苯酚的烷氧基取代的环己酮，或在氢气下部分将烷氧基取代的苯酚转化为催化量的烷氧基取代的环己酮之后 在氢转移催化剂存在下的压力，其中使用表面负载的催化剂作为氢转移催化剂。

    Process for producing 1,3-dimethyl-2-imidazolidinone
    10.
    发明授权
    Process for producing 1,3-dimethyl-2-imidazolidinone 失效
    1,3-二甲基-2-咪唑啉酮的制备方法

    公开(公告)号：US4668793A

    公开(公告)日：1987-05-26

    申请号：US794034

    申请日：1985-11-01

    申请人： Teruyuki Nagata ,  Nobuyuki Kajimoto ,  Masaru Wada ,  Hitoshi Nakayama ,  Tadao Yamada

    发明人： Teruyuki Nagata ,  Nobuyuki Kajimoto ,  Masaru Wada ,  Hitoshi Nakayama ,  Tadao Yamada

    IPC分类号： C07D233/32 ,  C07D233/34

    CPC分类号： C07D233/32

    摘要： A process for producing 1,3-dimethyl-2-imidazolidinone with a high yield which comprises reacting N,N'-dimethylethylene diamine and/or its hydrochloride with phosgene in the presence of a substantial amount of water and a dehydrochlorinating agent. Particularly, higher yield is attained by carrying out the reaction in water medium while controlling a pH to the range of 3.0 to 10.0 by adding a dehydrochlorinating agent.

    摘要翻译： 一种以高产率生产1,3-二甲基-2-咪唑烷酮的方法，其包括在大量水和脱氯化氢剂的存在下使N，N'-二甲基乙二胺和/或其盐酸盐与光气反应。 特别地，通过在水介质中进行反应，同时通过加入脱氯化氢剂将pH控制在3.0至10.0的范围内来实现更高的产率。