Manufacturing process for 6-aminocapronitrile
    1.
    发明授权
    Manufacturing process for 6-aminocapronitrile 有权
    6-氨基己腈的制备方法

    公开(公告)号:US6048997A

    公开(公告)日:2000-04-11

    申请号:US230742

    申请日:1999-02-01

    摘要: Manufacture of 6-aminocapronitrile or 6-aminocapronitrile/hexamethylene diamine mixtures, involving a) the reaction of at least one pentennitrile, selected from the group consisting of 2,3 and 4-pentennitrile with carbon monoxide and hydrogen in the presence of catalysts, which contain at least one element of the eighth subgroup as active components, obtaining a hydrogenation formylating discharge (I), b) the optional separation of carbon monoxide, hydrogen and the catalyst from the hydrogenation formylating discharge (I), obtaining a hydrogenation formylating discharge (II), c) the separation of 5-formyl valeronitrile from the hydrogenation formylating discharge (I) or (II), d) the reaction of separated 5-formyl valeronitrile with ammonia and hydrogen in the presence of hydrogenating catalysts, selected from the group consisting of rhenium, copper and its compounds as well as metals and metallic compounds of the eighth group, obtaining a hydrogenation discharge, and e) obtaining 6-aminocapronitrile and if necessary hexamethylene diamine.

    摘要翻译: PCT No.PCT / EP97 / 03988 Sec。 371日期1999年2月1日 102(e)1999年2月1日PCT 1997年7月23日PCT公布。 第WO98 / 05632号公报 日期1998年2月12日6-氨基己腈或6-氨基己腈/六亚甲基二胺混合物的制造,涉及a)选自2,3和4-戊腈中的至少一种戊腈与一氧化碳和氢的反应 存在含有第八亚组中的至少一种元素作为活性组分的催化剂,获得加氢甲酰化放电(I),b)任选从氢化甲酰化放电(I)中分离一氧化碳,氢和催化剂,获得 加氢甲酰化放电(II),c)从加氢甲酰化放电(I)或(II)中分离5-甲酰基戊腈; d)在氢化催化剂存在下,分离的5-甲酰基戊腈与氨和氢的反应 ,选自铼,铜及其化合物以及第八组的金属和金属化合物,获得氢化放电,以及 e)获得6-氨基己腈,如果需要的话,得到六亚甲基二胺。

    Process for preparing 6-aminocapronitrile
    2.
    发明授权
    Process for preparing 6-aminocapronitrile 失效
    6-氨基己腈的制备方法

    公开(公告)号:US6121481A

    公开(公告)日:2000-09-19

    申请号:US230837

    申请日:1999-02-01

    CPC分类号: C07C253/30 C07C209/60

    摘要: The invention concerns a process for the preparation of 6-aminocapronitrile or 6-aminocapronitrile-hexamethylene diamine mixtures by: a) reacting 5-formylvaleronitrile with ammonia and hydrogen in the presence of hydrogenation catalysts selected from the group consisting of metals or metal compounds rhenium, copper and elements of group VIII of the periodic table of elements, a hydrogenation discharge product being obtained; and b) extracting from the hydrogenation discharge product 6-aminocapronitrile and optionally hexamethylene diamine, provided that the hydrogenation catalyst does not contain copper, nickel or copper and nickel as it's only components.

    摘要翻译: PCT No.PCT / EP97 / 03987第 371日期1999年2月1日 102(e)1999年2月1日PCT 1997年7月23日PCT公布。 公开号WO98 / 05631 日期1998年2月12日本发明涉及通过以下方法制备6-氨基己腈或6-氨基己腈 - 六亚甲基二胺混合物的方法:a)在选自金属的氢化催化剂存在下,使5-甲酰基戊腈与氨和氢反应 或金属化合物铼,铜和元素周期表第Ⅷ族元素,得到氢化放电产物; 和b)从氢化放电产物6-氨基己腈和任选的六亚甲基二胺中提取,条件是氢化催化剂不含铜,镍或铜和镍,因为它是唯一的组分。

    Preparation of aliphatic alpha omega-aminonitriles
    4.
    发明授权
    Preparation of aliphatic alpha omega-aminonitriles 失效
    脂肪族α-ω-氨基腈的制备

    公开(公告)号:US5801268A

    公开(公告)日:1998-09-01

    申请号:US846240

    申请日:1997-04-28

    摘要: 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 which comprises using a catalyst which (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 rhodium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.

    摘要翻译: 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包括使用(a)含有基于化合物的催化剂 在选自镍,钴,铁,钌和铑的金属上,和(b)含有基于(a)0.01至25重量%的基于选自以下的金属的促进剂: 钯,铂,铱,锇,铜,银,金,铬,钼,钨,锰,铼,锌,镉,铅,铝,锡,磷,砷,锑,铋和稀土金属和(c) 基于(a),基于碱金属或碱土金属的化合物为0至5重量%,条件是组分(a)不以铁或铁为基准,并且所选择的金属之一 来自由钴,钌和铑组成的组 母体(b)是基于选自钛,锰,铬和钼的金属的促进剂,进一步的条件是当仅基于钌或铑或钌和铑或镍和铑的化合物为 作为组分(a)选择,可以不用启动子(b)。

    Preparation of carboxylic esters
    5.
    发明授权
    Preparation of carboxylic esters 失效
    羧酸酯的制备

    公开(公告)号:US5412120A

    公开(公告)日:1995-05-02

    申请号:US158361

    申请日:1993-11-29

    CPC分类号: C07C67/475 C07D309/08

    摘要: A process for preparing monocarboxylic esters of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.8 -cyclo-alkyl acyl, aryl or C.sub.7 -C.sub.20 -aralkyl or together --(CH.sub.2).sub.n --X--(CH.sub.2).sub.m --,X is methylene, oxygen, sulfur, NH or NR.sup.3,R.sup.3 is C.sub.1 -C.sub.12 -alkyl, andn and m are each from 0 to 8, comprises reacting geminal dicarboxylic esters of the general formula II ##STR2## where R.sup.1 to R.sup.3 are each as defined above, at from 150.degree. to 400.degree. C. in the presence of catalysts.

    摘要翻译: 一种制备通式I的单羧酸的方法,其中R 1和R 2各自为氢,C 1 -C 12 - 烷基,C 3 -C 8 - 环烷基酰基,芳基或C 7 -C 20 - 芳烷基或一起 - (CH 2 )nX-(CH 2)m - ,X是亚甲基,氧,硫,NH或NR 3,R 3是C 1 -C 12烷基,n和m各自为0至8,包括使通式II的偕二羧酸酯 其中R 1至R 3各自如上所定义,在150℃至400℃下,在催化剂存在下。

    Preparation of 3-(2-acyloxyethyl)-dihydro-2(3H)furanones
    8.
    发明授权
    Preparation of 3-(2-acyloxyethyl)-dihydro-2(3H)furanones 失效
    3-(2-酰氧基乙基) - 二氢-2(3H)呋喃酮的制备

    公开(公告)号:US5466831A

    公开(公告)日:1995-11-14

    申请号:US99232

    申请日:1993-07-29

    IPC分类号: C07D307/33 C07D307/12

    CPC分类号: C07D307/33

    摘要: A process for the preparation of 3-(2'-acyloxyethyl)-dihydro-2(3H)furanones of the general formula I ##STR1## in which R.sup.1 denotes C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 aralkyl, or C.sub.7 -C.sub.12 alkylaryl, in which a 3-(2'-oxyethyl)-dihydro-2(3H)furanone of the general formula II ##STR2## in which R.sup.2 denotes C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 aralkyl, or C.sub.7 -C.sub.12 alkylaryl is caused to react with a carboxylic acid, a carboxylic anhydride, and/or an acyl halide in the presence of an acid catalyst at temperatures of from 50.degree. to 250.degree. C. and pressures of from 0.1 to 100 bar.

    摘要翻译: 制备通式I,C5-C8环烷基,芳基,C7-C12芳烷基或C7-C12烷基芳基的3-(2'-酰氧基乙基) - 二氢-2(3H)呋喃酮的方法,其中3 - (2'-氧乙基) - 二氢-2(3H)呋喃酮,其中R 2表示C 1 -C 12烷基,C 5 -C 8环烷基,芳基,C 7 -C 12芳烷基或C 7 -C 12芳烷基, C12烷基芳基在酸催化剂存在下,在50-250℃,压力为0.1-100巴的条件下,与羧酸,羧酸酐和/或酰卤反应。

    Preparation of tetrahydropyran-4-carboxylic acid and esters thereof
    9.
    发明授权
    Preparation of tetrahydropyran-4-carboxylic acid and esters thereof 失效
    四氢吡喃-4-羧酸及其酯的制备

    公开(公告)号:US5371246A

    公开(公告)日:1994-12-06

    申请号:US110219

    申请日:1993-08-23

    CPC分类号: C07D309/08

    摘要: A process for the preparation of tetrahydropyran-4-carboxylic acid and esters thereof of the general formula I ##STR1## in which R.sup.1 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.8 cycloalkyl, or aryl by the reaction of a dihydro-2(3H)furanone of the general formula II ##STR2## in which R.sup.2 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, or --CO--R.sup.3 andR.sup.3 denotes hydrogen or C.sub.1 -C.sub.6 alkyl, with water or an alcohol of the general formula IIIR.sup.1 --OH (III),in whichR.sup.1 has the aforementioned meaning,at temperatures ranging from 200.degree. to 350.degree. C. in the presence of a heterogenous acid catalyst, in which use is made of a fixed heterogenous acid catalyst.

    摘要翻译: 制备通式I的四氢吡喃-4-羧酸及其酯的方法,其中R 1表示氢,C 1 -C 6烷基,C 5 -C 8环烷基或芳基,其中二氢 -2(3H)呋喃酮,其中R 2表示氢,C 1 -C 6烷基或-CO-R 3,R 3表示氢或C 1 -C 6烷基,其中R 2表示氢或C 1 -C 6烷基, 在异种酸催化剂的存在下,在200〜350℃的温度范围内,通式III的R1-OH(Ⅲ),其中R 1具有上述含义,其中使用固定的异种酸催化剂。

    Preparation of epoxides by means of aromatic peroxycarboxylic acids
    10.
    发明授权
    Preparation of epoxides by means of aromatic peroxycarboxylic acids 失效
    通过芳族过氧羧酸制备环氧化物

    公开(公告)号:US5808114A

    公开(公告)日:1998-09-15

    申请号:US875607

    申请日:1997-08-05

    摘要: Preparation of epoxides from olefins by means of aromatic peroxycarboxylic acids comprises a step A of epoxidizing the olefin and removing the resulting aromatic carboxylic acid from the epoxide, a step B of catalytically hydrogenating the removed aromatic carboxylic acid to the corresponding aromatic aldehyde, and a step C of oxidizing this aldehyde with oxygen or an oxygen-containing gas mixture back to the aromatic peroxycarboxylic acid for re-use for epoxidizing an olefin.

    摘要翻译: PCT No.PCT / EP96 / 00578 Sec。 371日期:1997年8月5日 102(e)日期1997年8月5日PCT提交1996年2月10日PCT公布。 公开号WO96 / 26198 日期1996年8月29日通过芳族过氧羧酸从烯烃制备环氧化物包括使烯烃环氧化并从环氧化物中除去所得芳族羧酸的步骤A,将除去的芳族羧酸催化氢化成相应芳族化合物的步骤B 醛,以及用氧或含氧气体混合物将该醛氧化成芳族过氧羧酸的步骤C,以重新用于烯烃的环氧化。