Preparation of 2-cyano-3,3-diarylacrylic esters
    1.
    发明授权
    Preparation of 2-cyano-3,3-diarylacrylic esters 失效
    制备2-氰基-3,3-二芳基丙烯酸酯

    公开(公告)号:US5917080A

    公开(公告)日:1999-06-29

    申请号:US952667

    申请日:1997-12-01

    CPC分类号: C07C253/30

    摘要: A process for preparing 2-cyano-3,3-diarylacrylic esters of the general formula I ##STR1## where R.sup.1 and R.sup.2 are hydrogen, C.sub.1 -C.sub.12 -alkyl groups, C.sub.- C.sub.12 -alkoxy groups or di(C.sub.1 -C.sub.4 -alkyl)amino groups and R.sup.3 is a C.sub.4 -C.sub.18 -alkyl group which can be interrupted by ether-functional oxygen atoms, by reacting a benzophenone imine of the general formula II ##STR2## with a cyanoacetic ester of the general formula III ##STR3## wherein the reaction is carried out at from 20 to 60.degree. C. and, during this, the liberated ammonia is continuously removed from the reaction mixture with the aid of a stream of gas or by reducing the pressure to from 900 to 100 mbar.

    摘要翻译: PCT No.PCT / EP96 / 02238 Sec。 371 1997年12月1日第 102(e)日期1997年12月1日PCT提交1996年5月24日PCT公布。 公开号WO96 / 38409 日期:1996年12月5日制备通式Ⅰ的2-氰基-3,3-二芳基丙烯酸酯的方法,其中R1和R2为氢,C1-C12-烷基,C-C12-烷氧基或二(C1-C4 - 烷基)氨基,R3是可以被醚官能的氧原子间隔的C4-C18-烷基,通过使通式II的二苯甲酮亚胺与通式III的氰基乙酸酯反应,其中反应进行 在20至60℃范围内,并且在此期间,借助于气流或通过将压力降低至900至100毫巴,将释放的氨从反应混合物中连续除去。

    Preparation of benzophenone imines
    2.
    发明授权
    Preparation of benzophenone imines 失效
    二苯甲酮亚胺的制备

    公开(公告)号:US5679855A

    公开(公告)日:1997-10-21

    申请号:US561300

    申请日:1995-11-21

    CPC分类号: C07C251/16 C07C249/02

    摘要: A process for preparing benzophenone imines of the general formula I ##STR1## where R.sup.1 to R.sup.6 are hydrogen, C.sub.1 -to C.sub.4 -alkoxy, C.sub.1 -to C.sub.2 -alkylamine or C.sub.2 -to C.sub.4 -dialkylamine, by reacting benzophenones of the general formula II ##STR2## where R.sup.1 to R.sup.6 have the abovementioned meanings, in liquid ammonia in the presence of oxides of the elements boron, aluminum, gallium, indium, silicon, germanium, tin, lead, phosphorus, arsenic, antimony, bismuth, scandium, yttrium, titanium, zirconium, vanadium, niobium, tantalum or mixtures thereof at from 50.degree. to 150.degree. C. and from 50 to 350 bar is described.

    摘要翻译: 制备通式I的二苯甲酮亚胺的方法,其中R 1至R 6为氢,C 1至C 4 - 烷氧基,C 1至C 2 - 烷基胺或C 2至C 4 - 二烷基胺,通过使 通式II其中R 1至R 6具有上述含义,在硼,铝,镓,铟,硅,锗,锡,铅,磷,砷,锑元素的氧化物存在下在液氨中 描述了50至150℃和50至350巴的铋,钪,钇,钛,锆,钒,铌,钽或其混合物。

    Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine having a
cis/trans isomer ratio of at least 70:30
    7.
    发明授权
    Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine having a cis/trans isomer ratio of at least 70:30 有权
    具有顺式/反式异构体比例为70:30以上的3-氨基甲基-3,5,5-三甲基环己胺的制备

    公开(公告)号:US6022999A

    公开(公告)日:2000-02-08

    申请号:US207623

    申请日:1998-12-09

    摘要: A process for the preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine having a cis/trans isomer ratio of at least 70:30 bya) imination of 3-cyano-3,5,5-trimethylcyclohexanone with ammonia in the presence of an imination catalyst at temperatures of from 20.degree. to 150.degree. C. and pressures of from 1.5 to 30 MPa to form 3-cyano-3,5,5-trimethylcyclo-hexanone imine followed byb) hydrogenation of the 3-cyano-3,5,5-trimethylcyclohexanone imine in the presence of ammonia over a catalyst containing copper and/or a Group VIII metal at a temperature of from 80.degree. to 160.degree. C. and under a pressure of from 5 to 30 MPa,wherein the catalytic hydrogenation of the 3-cyano-3,5,5-trimethylcyclohexanone imine is carried out in the presence of an acid used in an amount such as to give an acid number of from 0.1 to 2, based on 3-cyano-3,5,5-trimethylcyclohexanone used.

    摘要翻译: 一种制备顺式/反式异构体比例至少为70:30的3-氨基甲基-3,5,5-三甲基环己胺的制备方法,通过以下步骤:a)将3-氰基-3,5,5-三甲基环己酮与氨在 在20至150℃的温度和1.5至30MPa的压力下存在仿制催化剂以形成3-氰基-3,5,5-三甲基环己酮亚胺,随后b)氢化3-氰基 -3,5,5-三甲基环己酮亚胺在含有铜和/或Ⅷ族金属的催化剂的存在下在80至160℃的温度和5至30MPa的压力下进行,其中 3-氰基-3,5,5-三甲基环己酮亚胺的催化氢化在酸的存在下进行,所用酸的用量使得酸值为0.1-2,基于3-氰基-3 ,使用5,5-三甲基环己酮。

    Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine
    8.
    发明授权
    Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine 失效
    3-氨基甲基-3,5,5-三甲基环己胺的制备

    公开(公告)号:US5756845A

    公开(公告)日:1998-05-26

    申请号:US608485

    申请日:1996-02-28

    CPC分类号: C07C209/48 C07C2101/14

    摘要: A process for the preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine from 3-cyano-3,5,5-trimethylcyclohexanone which requires three spatially separated reaction spaces, in order to carry out the following three steps in sequence: a) reacting the 3-cyano-3,5,5-trimethylcyclohexanone with excess ammonia on acidic metal-oxide catalysts in a first reaction space at from 20.degree. to 150.degree. C. and from 50 to 300 bar, b) hydrogenating the resultant reaction products using hydrogen in a second reaction space in the presence of excess ammonia and preferably liquid ammonia on hydrogenation catalysts, optionally using basic components or on neutral or basic supports at from 50.degree. to 100.degree. C. and at from 50 to 300 bar, and c) hydrogenating the resultant reaction products in the presence of hydrogen and also ammonia in a third reaction space on hydrogenation catalysts, optionally using basic components or on neutral or basic supports at from 110.degree. to 160.degree. C. and at from 150 to 300 bar.These three steps in sequence provide a substantially complete reaction of the original 3-cyano-3,3,5-trimethylcyclohexanone reactant with a yield of 96% of the desired diamino product in which the cis-content of the diamine is 70%.

    摘要翻译: 从3-氰基-3,5,5-三甲基环己酮制备3-氨基甲基-3,5,5-三甲基环己胺的方法,其需要三个空间分离的反应空间,以便按顺序进行以下三个步骤:a )在20至150℃和50至300巴的第一反应空间中使3-氰基-3,5,5-三甲基环己酮与过量的氨在酸性金属氧化物催化剂上反应,b)将所得反应物氢化 在氢化催化剂存在下,在过量氨和优选液氨存在下在第二反应空间中使用氢的产物,任选使用碱性组分或在中性或碱性载体上在50至100℃和50至300巴条件下,以及 c)在氢化催化剂的第三反应空间中,在氢气和氨的存在下氢化所得反应产物,任选使用碱性组分或在中性或碱性载体上在110至160℃和150至300b ar。 这三个步骤依次提供原始3-氰基-3,3,5-三甲基环己酮反应物的基本上完全的反应物,其中二胺的顺式含量为70%的所需二氨基产物的产率为96%。