利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

6 条记录 (耗时 0.019 秒)

    Process for producing dimethylformamide
    3.
    发明授权
    Process for producing dimethylformamide 失效
    二甲基甲酰胺生产方法

    公开(公告)号：US4218398A

    公开(公告)日：1980-08-19

    申请号：US972257

    申请日：1978-12-22

    申请人： Masao Saito ,  Kinichi Mizuno ,  Yuzi Onda ,  Tetsuo Aoyama ,  Kumiko Kato

    发明人： Masao Saito ,  Kinichi Mizuno ,  Yuzi Onda ,  Tetsuo Aoyama ,  Kumiko Kato

    IPC分类号： C07C231/00 ,  C07C233/00 ,  C07C103/36

    CPC分类号： C07C231/00 ,  C07C233/00

    摘要： Dimethylformamide mg.multidot.produced by reaction of monomethylamine and trimethylamine at a molar ratio of trimethylamine to monomethylamine of 0.1-10, with carbon monoxide in the presence of 1-500 mg. atom of at least one of iodine, bromine, iodides and bromides as a catalyst in term of halogen per one mole of raw material methylamines at a temperature of 100.degree.-350.degree. C. under a pressure of at least 50 kg/cm.sup.2 gage. Dimethylformamide is produced in a very high yield with a high selectivity from monomethylamine and trimethylamine having less demand among three species of methylamines formed from methanol and ammonia.

    摘要翻译： 二甲基甲酰胺通过一甲胺和三甲胺以三甲胺与一甲胺的摩尔比为0.1-10与一氧化碳在1-500mg存在下反应生成。 在100-350℃的温度下，在至少50kg / cm2的压力下，每1摩尔原料甲胺中的碘，溴，碘化物和溴化物中的至少一种作为催化剂的原子。 二甲基甲酰胺以非常高的产率以高的选择性从一甲胺和三甲胺生产，在甲醇和氨形成的三种甲胺中的需求较少。

    Process for producing acyloxynaphthoic acids
    5.
    发明授权
    Process for producing acyloxynaphthoic acids 失效
    制备酰氧基萘甲酸的方法

    公开(公告)号：US4935537A

    公开(公告)日：1990-06-19

    申请号：US263246

    申请日：1988-10-27

    申请人： Susumu Naito ,  Koichi Abe ,  Hidetaka Kiga ,  Yuzi Onda

    发明人： Susumu Naito ,  Koichi Abe ,  Hidetaka Kiga ,  Yuzi Onda

    IPC分类号： C07C65/05

    CPC分类号： C07C67/29 ,  C07C67/42

    摘要： A process for producing an acyloxynaphthoic acid represented by the general formula ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group, which comprises(a) oxidizing an acylalkylnaphthalene represented by the general formula ##STR2## wherein R.sub.1 is as defined, and R.sub.2 represents a lower alkyl group, with a peroxide, and(b) oxidizing the resulting acyloxyalkylnaphthalene represented by the general formula ##STR3## wherein R.sub.1 and R.sub.2 are as defined above, with molecular oxygen in an organic solvent in the presence of a catalyst comprising a bromine compound and a cobalt compound.

    Process for producing acyloxynaphthoic acids
    6.
    发明授权
    Process for producing acyloxynaphthoic acids 失效
    制备酰氧基萘甲酸的方法

    公开(公告)号：US4801737A

    公开(公告)日：1989-01-31

    申请号：US761520

    申请日：1985-08-01

    申请人： Susumu Naito ,  Koichi Abe ,  Hidetaka Kiga ,  Yuzi Onda

    发明人： Susumu Naito ,  Koichi Abe ,  Hidetaka Kiga ,  Yuzi Onda

    IPC分类号： C07C65/05 ,  C07C67/29

    CPC分类号： C07C67/29 ,  C07C67/42

    摘要： A process for producing an acyloxynaphthoic acid represented by the general formula ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group, which comprises(a) oxidizing an acylalkylnaphthalene represented by the general formula ##STR2## wherein R.sub.1 is as defined, and R.sub.2 represents a lower alkyl group, with a peroxide, and(b) oxidizing the resulting acyloxyalkylnaphthalene represented by the general formula ##STR3## wherein R.sub.1 and R.sub.2 are as defined above, with molecular oxygen in an organic solvent in the presence of a catalyst comprising a bromine compound and a cobalt compound.

    摘要翻译： 一种由通式（I）表示的酰氧基萘甲酸的制备方法，其中R1表示氢原子或烷基，其包括（a）氧化由通式（II）表示的酰基烷基萘，其中R1 R2表示低级烷基，与过氧化物反应，（b）氧化所得到的通式（III）表示的酰氧基烷基萘，其中R 1和R 2如上定义，分子氧在有机 溶剂在包含溴化合物和钴化合物的催化剂存在下进行。