Process for the preparation of 1-amino-1-methyl-3(4)-aminomethyl
cyclohexane
    1.
    发明授权
    Process for the preparation of 1-amino-1-methyl-3(4)-aminomethyl cyclohexane 失效
    1-氨基-1-甲基-3(4) - 氨基甲基环己烷的制备方法

    公开(公告)号:US5900507A

    公开(公告)日:1999-05-04

    申请号:US38331

    申请日:1998-03-11

    摘要: The present invention relates to a process for the preparation of 1-amino-1-methyl-3(4)-aminomethyl cyclohexane (AMCA) bya) catalytically hydrogenating 1-formamido-1-methyl-3(4)-cyano cyclohexane (FMC) in a first reaction stage to form 1-formamido-1-methyl-3(4)-aminomethyl cyclohexane (FMA), 1-amino-1-methyl-3(4)-formamidomethyl cyclohexane (AMF), 1-formamido-1-methyl-3(4)-formamidomethyl cyclohexane (FMF) and/or AMCA, andb) reacting FMA, AMF and/or FMF in a second reaction stage with an alkaline compound to from AMCA and a formic acid derivative, andc) separating the reaction mixture obtained in step b) into components by fractional distillation and/or by crystallization and filtration.The present invention is also relates to carrying the hydrogenation reaction of step a) in the presence of a formulating agent to form 1-formamido-1-methyl-3(4)-formamidomethyl cyclohexane (FMF).Finally, the present invention relates to the intermediate products 1-formamido-1-methyl-3(4)-aminomethyl cyclohexane (FMA) and 1-formamido-1-methyl-3(4)-formamidomethyl cyclohexane (FMF).

    摘要翻译: 本发明涉及通过以下方法制备1-氨基-1-甲基-3(4) - 氨基甲基环己烷(AMCA)的方法:a)催化氢化1-甲酰氨基-1-甲基-3(4) - 氰基环己烷 FMA),1-氨基-1-甲基-3(4) - 氨基甲基环己烷(FMA),1-氨基-1-甲基-3(4) - 甲酰胺基甲基环己烷(AMF),1-甲酰胺 使甲基-3(4) - 甲酰胺基甲基环己烷(FMF)和/或AMCA,和b)使第二反应阶段中的FMA,AMF和/或FMF与碱性化合物与AMCA和甲酸衍生物反应,以及 c)通过分步和/或通过结晶和过滤将步骤b)中获得的反应混合物分离成组分。 本发明还涉及在配制剂的存在下进行步骤a)的氢化反应以形成1-甲酰氨基-1-甲基-3(4) - 甲酰胺基甲基环己烷(FMF)。 最后,本发明涉及中间产物1-甲酰氨基-1-甲基-3(4) - 氨基甲基环己烷(FMA)和1-甲酰氨基-1-甲基-3(4) - 甲酰胺基甲基环己烷(FMF)。

    Process for the production of
1-amino-1-methyl-3(4)-aminomethylcyclohexane
    2.
    发明授权
    Process for the production of 1-amino-1-methyl-3(4)-aminomethylcyclohexane 失效
    1-氨基-1-甲基-3(4) - 氨基甲基环己烷的制备方法

    公开(公告)号:US5905170A

    公开(公告)日:1999-05-18

    申请号:US38636

    申请日:1998-03-11

    摘要: The present invention relates to a process for the production of 1-amino-1-methyl-3(4)-aminomethylcyclohexane bya) simultaneously reacting 4(5)-aminomethyl-1-methylcyclohexene (CMA), hydrocyanic acid and aqueous sulphuric acid at temperatures of 60.degree. C. to 120.degree. C., preferably 80.degree. C. to 120.degree. C. to form 1-formamido-1-methyl-3(4)-aminomethylcyclohexane (FMA) in a first stage,b) adding water and hydrolyzing 1-formamido-1-methyl-3 (4)-aminomethylcyclohexane (FMA) and unreacted hydrocyanic acid in a second stage andc) adding a base and isolating 1-amino-1-methyl-3 (4)-aminomethylcyclohexane (AMCA) by extraction from the reaction mixture obtained in the second stage of the reaction, optionally after removing of formic acid.

    摘要翻译: 本发明涉及通过以下方法生产1-氨基-1-甲基-3(4) - 氨基甲基环己烷的方法:a)同时使4(5) - 氨基甲基-1-甲基环己烯(CMA),氢氰酸和硫酸水溶液 在60℃至120℃,优选80℃至120℃的温度下,在第一阶段中形成1-甲酰胺基-1-甲基-3(4) - 氨基甲基环己烷(FMA),b)加入 水并在第二阶段水解1-甲酰氨基-1-甲基-3(4) - 氨基甲基环己烷(FMA)和未反应的氢氰酸,和c)加入碱并分离1-氨基-1-甲基-3(4) - 氨基甲基环己烷 (AMCA),通过从反应第二阶段获得的反应混合物中提取,任选地在除去甲酸之后。

    Chloropyridinium chlorides and process for their preparation
    4.
    发明授权
    Chloropyridinium chlorides and process for their preparation 失效
    氯吡啶鎓氯化物及其制备方法

    公开(公告)号:US5541332A

    公开(公告)日:1996-07-30

    申请号:US368179

    申请日:1995-01-04

    IPC分类号: C07D213/20 C07D213/61

    CPC分类号: C07D213/61

    摘要: A process for the preparation of a chloropyridine of the formula ##STR1## which comprises reacting an enamide of the formula ##STR2## with a chlorinating agent in the presence of a di-substituted formamide ##STR3## in which R.sup.4 and R.sup.5 each individually is alkyl or cycloalkyl or together are alkanediyl, at a temperature between about -30.degree. C. and 100.degree. C., thereby to produce a compound of the formula ##STR4## and subjecting said compound to thermal cleavage. Compounds I are novel. Compounds IV are known intermediates for agrochemicals and pharmaceuticals.

    摘要翻译: (IV)的氯吡啶的制备方法,其包括在二取代的甲酰胺(III)的存在下使式(I)的酰胺与氯化剂反应, 其中R 4和R 5各自独立地是烷基或环烷基或一起是烷二基,在约-30℃至100℃的温度下,从而产生下式化合物(I),并使所述化合物 热裂解。 化合物I是新的。 化合物IV是农药和药物的已知中间体。