Preparation of 4-acetoxystyrene
    5.
    发明授权
    Preparation of 4-acetoxystyrene 失效
    4-乙酰氧基苯乙烯的制备

    公开(公告)号:US5380918A

    公开(公告)日:1995-01-10

    申请号:US126880

    申请日:1993-09-27

    IPC分类号: C07C67/297 C07C69/157

    CPC分类号: C07C67/297

    摘要: 4-Acetoxystyrene of the formula I ##STR1## is prepared by a process in which a 1-(4-acetoxyphenyl)ethyl carboxylate of the formula II ##STR2## where R is C.sub.1 -C.sub.10 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, aryl or C.sub.7 -C.sub.10 -aralkyl, is converted in the presence of an acidic catalyst and of a polymerization inhibitor in an inert heat transfer medium at from 160.degree. to 250.degree. C. and from 0.1 to 300 mbar.

    摘要翻译: 通式Ⅰ(I)的4-乙酰氧基苯乙烯通过以下方法制备:其中R为C 1 -C 10 - 烷基,C 3 -C 6烷基的式(II)的1-(4-乙酰氧基苯基)乙基羧酸酯 -C 1-6 - 环烷基,芳基或C 7 -C 10 - 芳烷基在惰性传热介质中在酸性催化剂和阻聚剂的存在下在160-250℃和0.1至300毫巴条件下转化。

    Preparation of 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine
    6.
    发明授权
    Preparation of 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine 失效
    3-氨基甲基-3,5,5-三甲基 - 环己胺的制备

    公开(公告)号:US5371292A

    公开(公告)日:1994-12-06

    申请号:US92029

    申请日:1993-07-15

    摘要: A process for the preparation of 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine from 3-cyano-3,5,5-trimethyl-cyclohexanone, wherein the following stages are carried out in discrete reaction chambers:a) the 3-cyano-3,5,5-trimethyl-cyclohexanone is reacted in a first reaction chamber with excess ammonia over an acidic metal oxide catalyst at a temperature of from 20.degree. to 150.degree. C. and a pressure of from 15 to 500 bar, andb) in a second reaction chamber, the reaction product from stage a) is hydrogenated with hydrogen at a temperature of from 60.degree. to 150.degree. C. and a pressure of from 50 to 300 bar in the presence of excess ammonia over a catalyst containing cobalt, nickel, ruthenium, and/or some other noble metal, which catalyst optionally contains a basic component or is supported by neutral or basic supporting material.

    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,其中以下步骤在离散反应室中进行:a)3 氰基-3,5,5-三甲基 - 环己酮在第一反应室中与过量的氨在酸性金属氧化物催化剂上在20至150℃的温度和15至500巴的压力下反应, 和b)在第二反应室中,在过量的氨在催化剂存在下,将氢气从60℃升至150℃,压力为50-300巴,在步骤a)中的反应产物被氢化 含有钴,镍,钌和/或一些其它贵金属,该催化剂任选地含有碱性组分或由中性或碱性载体材料负载。

    Preparation of 3-aminopropionitriles
    7.
    发明授权
    Preparation of 3-aminopropionitriles 失效
    3-氨基丙腈的制备

    公开(公告)号:US5334745A

    公开(公告)日:1994-08-02

    申请号:US69129

    申请日:1993-05-28

    IPC分类号: C07C253/30

    CPC分类号: C07C253/30

    摘要: 3-Aminopropionitriles of the general formula I ##STR1## where R.sup.1,R.sup.2,R.sup.3,R.sup.4 and R.sup.5 independently of one another are each hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.8 -aminoalkyl, C.sub.1 -C.sub.8 -cyanoalkyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.7 -C.sub.20 -aralkyl or aryl,are prepared by a process in which an amine of the general formula II ##STR2## is reacted with an acrylonitrile of the general formula III ##STR3## where the substituents have the abovementioned meanings, in a molar ratio of from 0.9:1 to 100:1 over a heterogeneous catalyst at from 40.degree. to 200.degree. C. and from 1 to 350 bar.

    摘要翻译: 其中R 1,R 2,R 3,R 4和R 5彼此独立地是通式I的化合物,其中R 1,R 2,R 3,R 4和R 5彼此独立地是氢,C 1 -C 20 - 烷基,C 1 -C 8 - 氨基烷基,C 1 -C 8 - 氰基烷基, C 3 -C 20 - 环烷基,C 7 -C 20 - 芳烷基或芳基,其中通式II的胺(II)与通式III的丙烯腈(III)反应的方法制备, 其中取代基具有上述含义,摩尔比为0.9:1至100:1,在多元催化剂中,在40至200℃和1至350巴。

    Preparation of (107 -substituted urethano alkylcarboxylates)
    8.
    发明授权
    Preparation of (107 -substituted urethano alkylcarboxylates) 失效
    (w-取代的尿烷)烷基羧酸盐的制备

    公开(公告)号:US5300678A

    公开(公告)日:1994-04-05

    申请号:US14168

    申请日:1993-02-05

    CPC分类号: C07C269/00

    摘要: A process for the preparation of a .omega.-(O-substituted urethano)alkylcarboxylate, wherein a lactam having from 4 to 9 ring members, which can have alkyl, alkenyl, cycloalkyl, or aralkyl groups containing up to 12 carbon atoms as substituents, is reacted with a carbonic diester of an alkanol, alkenol, cycloalkanol, or aralkanol containing up to 16 carbon atoms, at a temperature of from 25.degree. to 300.degree. C. in the presence of a catalytically effective amount of a base.

    摘要翻译: 制备ω-(O-取代的尿烷)烷基羧酸酯的方法,其中具有4至9个环成员的内酰胺可具有含有至多12个碳原子的烷基,烯基,环烷基或芳烷基作为取代基, 在含有最多16个碳原子的链烷醇,链烯醇,环烷醇或芳烷醇的碳酸二酯上,在催化有效量的碱的存在下,在25℃至300℃的温度下反应。

    Preparation of 4-halobenzyl alcohols
    9.
    发明授权
    Preparation of 4-halobenzyl alcohols 失效
    制备4-卤代苄醇

    公开(公告)号:US5254752A

    公开(公告)日:1993-10-19

    申请号:US960774

    申请日:1992-10-14

    摘要: The invention provides a process for the preparation of a 4-halobenzyl alcohol of the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 - to C.sub.20 -alkyl, C.sub.2 - to C.sub.20 -alkoxyalkyl, C.sub.3 - to C.sub.20 -cycloalkyl, or C.sub.4 - to C.sub.30 -cycloalkylalkyl,R.sup.2 is C.sub.1 - to C.sub.20 -alkyl, C.sub.2 - to C.sub.20 -alkoxyalkyl, C.sub.3 - to C.sub.20 -cycloalkyl or C.sub.4 - to C.sub.30 -cycloalkylalkyl,X is halogen andm is 0 to 2,by reacting a haloaromatic carbonyl compound of the formula ##STR2## where R.sup.1, R.sup.2, X and m are as defined above, with hydrogen on a hydrogenation catalyst consisting essentially of copper oxide (I), copper oxide (II) and mixtures thereof in the presence of at least one primary, secondary or tertiary amine selected from the group consisting of acyclic, cyclic and heterocyclic aliphatic amines, in the presence or absence of an inert solvent, at from 50.degree. to 130.degree. C. and at from 10 to 200 bar.

    摘要翻译: 本发明提供制备式(I)的4-卤代苄醇的方法,其中R 1是氢,C 1 -C 20烷基,C 2 -C 20烷氧基烷基,C 3 -C 20环烷基或 C 4 -C 30 - 环烷基烷基,R 2是C 1〜C 20 - 烷基,C 2〜C 20 - 烷氧基烷基,C 3〜C 20 - 环烷基或C 4〜C 30 - 环烷基烷基,X是卤素,m是0〜2, 其中R1,R2,X和m如上所定义的式(II)的卤代芳基羰基化合物与氢在基本上由氧化铜(I),氧化铜(II)和它们的混合物组成的氢化催化剂上 在惰性溶剂存在或不存在下,在50-130℃和10-200℃下存在至少一种选自无环,环状和杂环脂族胺的伯,仲或叔胺 酒吧。