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    • 3. 发明授权
    • Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine
    • 3-氨基甲基-3,5,5-三甲基环己胺的制备
    • US5756845A
    • 1998-05-26
    • US608485
    • 1996-02-28
    • Guido VoitTom WitzelBoris BreitscheidelWolfgang HarderHermann LuykenAxel PaulKarl-Heinz RossPeter Wahl
    • Guido VoitTom WitzelBoris BreitscheidelWolfgang HarderHermann LuykenAxel PaulKarl-Heinz RossPeter Wahl
    • B01J23/46B01J23/75B01J23/755C07B61/00C07C209/48C07C211/36
    • C07C209/48C07C2101/14
    • 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%.
    • 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%。
    • 10. 发明授权
    • Preparation of aliphatic alpha, omega-aminonitriles
    • 脂肪族α,ω-氨基腈的制备
    • US5801267A
    • 1998-09-01
    • US846239
    • 1997-04-28
    • Klemens FlickJohann-Peter MelderWerner SchnurrKlaus EbelTom WitzelWolfgang HarderAlwin RehfingerRolf Fischer
    • Klemens FlickJohann-Peter MelderWerner SchnurrKlaus EbelTom WitzelWolfgang HarderAlwin RehfingerRolf Fischer
    • B01J23/76B01J23/78B01J23/889B01J37/02C07C253/30C07C255/24C07C255/03
    • B01J23/76B01J23/78B01J23/8892B01J23/8898B01J37/0201C07C253/30
    • Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process in which the catalyst (a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and (b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal, with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.
    • 脂肪族α,ω-氨基腈通过脂肪族α,ω-二腈在升高的温度和超大气压下,在溶剂和催化剂存在下通过其中催化剂(a)含有基于 选自镍,钴,铁,钌和铑的金属和(b)含有基于(a)0.01至25重量%的选自钯, 铂,铱,锇,铜,银,金,铬,钼,钨,锰,铼,锌,镉,铅,铝,锡,磷,砷,锑,铋和稀土金属,(c) 基于(a)的基于碱金属或碱土金属的化合物为5重量%,条件是组分(a)不以铁或铁为基准,并且其中一种金属选自 (b)为舞会时由钴,钌和铑组成的组 基于选自钛,锰,铬和钼的金属,另外条件是当仅选择仅钌,钌和铑或镍和铑的化合物作为组分(a)时, 启动子(b)可以不用。