Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles
by partial hydrogenation of aliphatic dinitriles
    21.
    发明授权
    Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles 失效
    适用于通过脂肪族二腈的部分氢化制备脂族α,ω-氨基腈的催化剂

    公开(公告)号:US6110856A

    公开(公告)日:2000-08-29

    申请号:US214520

    申请日:1999-01-07

    CPC分类号: C07C253/30

    摘要: A catalyst suitable for preparing aliphatic alpha, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles comprises(a) metallic cobalt, a cobalt compound or a mixture thereof, the proportion of metallic cobalt based on (a) being from 20 to 100% by weight,(b) from 10 to 70% by weight, based on (a), of metallic iron, iron oxide, a further iron compound or a mixture thereof, the proportion of iron oxide based on (b) being from 20 to 100% by weight,(c) from 0 to 1% by weight, based on (a), of a compound based on an alkali metal, an alkaline earth metal or zinc.

    摘要翻译: PCT PCT / EP97 / 04547。 一九九九年一月七日 102(e)1999年1月7日PCT PCT 1997年8月21日PCT公布。 公开号WO98 / 11058 1998年3月19日,适用于通过部分氢化脂族二腈制备脂族α,ω-氨基腈的催化剂包括(a)金属钴,钴化合物或其混合物,基于(a)的金属钴的比例为20 至(b)10〜70重量%,基于(a)金属铁,氧化铁,其他铁化合物或其混合物,基于(b)的氧化铁的比例为 20〜100重量%,(c)0〜1重量%,基于(a)的碱金属,碱土金属或锌的化合物。

    Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine having a
cis/trans isomer ratio of at least 70:30
    23.
    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。

    Process for the manufacture of aliphatic alpha, omega amino nitriles
    27.
    发明授权
    Process for the manufacture of aliphatic alpha, omega amino nitriles 有权
    用于制造脂肪族α,ω-氨基腈的方法

    公开(公告)号:US06222059B1

    公开(公告)日:2001-04-24

    申请号:US09254570

    申请日:1999-03-10

    IPC分类号: C07C25504

    摘要: A process for preparing aliphatic alpha,omega-amino nitrites by partial hydrogenation of aliphatic alpha,omega-dinitriles in the presence of a catalyst, wherein the catalyst used for the partial hydrogenation comprises (a) iron or a compound based on iron or mixtures thereof and (b) from 0.01 to 5% by weight, based on (a), of a promoter based on 2,3,4 or 5 elements selected from the group consisting of aluminum, silicon, zirconium, titanium and vanadium and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or alkaline earth metal.

    摘要翻译: 在催化剂存在下通过部分氢化脂族α,ω-二腈制备脂族α,ω-氨基亚硝酸盐的方法,其中用于部分氢化的催化剂包括(a)铁或基于铁或其混合物的化合物 和(b)基于(a)0.01至5重量%的基于2,3,4或5个选自铝,硅,锆,钛和钒的元素的促进剂,和(c) 基于(a)的0至5重量%的基于碱金属或碱土金属的化合物。

    Method for producing polyalcohols
    28.
    发明授权
    Method for producing polyalcohols 失效
    生产多元醇的方法

    公开(公告)号:US06187971B1

    公开(公告)日:2001-02-13

    申请号:US09331370

    申请日:1999-06-21

    IPC分类号: C07C3118

    摘要: Methylolalkanal of the formula II (R=CH2OH, C1-C22-alkyl, aryl or C6-C22-aralkyl) is prepared spe-wise by a) reacting a C2-C24-aldehyde with formaldehyde in the presence of a tertiary amine, b) separating the reaction mixture i) into a bottom fraction comprising the compound of formula II and an incompletely methylolated compound of the formula III and a distillate stream comprising unconverted or partially converted starting materials, or ii) into an aqueous phase and an organic phase, and recycling the distillate stream or the organic phase to a), and c) subjecting the bottom fraction or the aqueous phase i) to a catalytic or thermal reaction to convert the compound of formula III to the compound of formula II and to a corresponding methylene compound of formula IV (R′=H or R) and ii) separating the reaction product into an overhead stream comprising the compound of formula IV and unconverted formaldehyde which is recycled to a), and a bottom fraction comprising the compound of formula II.

    摘要翻译: 在叔胺存在下,通过使C2-C24-醛与甲醛反应制备式II的(C 1 -C 22 - 烷基,芳基或C 6 -C 22 - 芳烷基)的羟甲基烷醛,b) 将反应混合物分离)至包含式II化合物的底部馏分和式III的不完全羟甲基化的化合物和包含未转化的或部分转化的起始物质的馏出物流,或ii)进入水相和有机相,并将馏出物 流或有机相至a),和c)使底部馏分或水相)进行催化或热反应以将式III化合物转化为式II化合物和相应的式IV的亚甲基化合物(R '= H或R)和ii)将反应产物分离成包含式IV化合物和未转化甲醛的塔顶物流,将其再循环至a),以及包含式II化合物的塔底馏分。

    Process for simultaneously preparing 6-aminocapronitrile and
hexamethylene diamine
    29.
    发明授权
    Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine 有权
    同时制备6-氨基己腈和六亚甲基二胺的方法

    公开(公告)号:US6147247A

    公开(公告)日:2000-11-14

    申请号:US254454

    申请日:1999-03-10

    CPC分类号: C07C209/48 C07C253/30

    摘要: A process for coproduction of 6-aminocapronitrile and hexamethylenediamine starting from a mixture comprising a phosphorus-containing compound and essentially adiponitrile and obtained by reaction of butadiene with hydrocyanic acid in the presence of a catalyst comprising a phosphorus-containing compound comprises(1) reducing the weight proportion of phosphorus-containing compound, calculated as phosphorus, in the mixture,(2) partially hydrogenating the resulting mixture in the presence of a catalyst to form an .alpha.,.omega.-aminonitrile, and(3) removing 6-aminocapronitrile and hexamethylenediamine from the mixture.

    摘要翻译: PCT No.PCT / EP97 / 04542 Sec。 371 1999年3月10日 102(e)1999年3月10日PCT PCT 1997年8月21日PCT公布。 公开号WO98 / 11051 日期:1998年3月19日从包含含磷化合物和基本上己二腈的混合物中共同生产6-氨基己腈和六亚甲基二胺并通过丁二烯与氢氰酸在含有磷化合物的催化剂存在下反应得到的方法包括 (1)在混合物中减少以磷计算的含磷化合物的重量比例,(2)在催化剂存在下部分氢化所得混合物以形成α,ω-氨基腈,和(3)除去6 - 氨基己腈和六亚甲基二胺。