VERFAHREN ZUR KONTINUIERLICHEN HERSTELLUNG VON ADIPODINITRIL
    1.
    发明申请
    VERFAHREN ZUR KONTINUIERLICHEN HERSTELLUNG VON ADIPODINITRIL 审中-公开
    方法用于连续生产己二腈

    公开(公告)号:WO2016041930A1

    公开(公告)日:2016-03-24

    申请号:PCT/EP2015/071031

    申请日:2015-09-15

    申请人: BASF SE

    摘要: Beschrieben wird ein Verfahren zur kontinuierlichen Herstellungvon Adipodinitril durch Hydrocyanierung von 3-Pentennnitril, bei dem man a) 3-Pentennitril hydrocyaniert unter Erhalt eines Reaktionsaustrags, der Adipodinitril enthält, b) in einer Aufarbeitung 1 aus dem Reaktionsaustrag des Reaktors R1 in einer ersten Destillationsvorrichtung als Kopfprodukt ein Gemisch enthaltend cis-2-Methyl-2- butennitril und cis-2-Pentennitril abtrennt, c) das Gemisch enthaltend cis-2-Methyl-2-butennitril und cis-2-Pentennitril aus Schritt b) in einem Reaktor R2 in Gegenwart von Aluminiumoxid als Katalysator kontinuierlich zu einem 3-Pentennitril enthaltenden Produktgemisch isomerisiert, d)aus dem Reaktionsaustrag des Reaktors R2 in einer Aufarbeitung 2 in einer Destillationsvorrichtung cis-2-Methyl-2-butennitril als Kopfprodukt abtrennt und ausschleust.

    摘要翻译: 公开了一种用于通过3-戊烯腈的氢氰化连续制备己二腈的方法,其中a)3-戊烯腈氢氰化,得到含有反应产物混合物己二腈,b)以进行后处理1为从反应器R1的反应流出物在第一蒸馏装置 塔顶产物含有顺式-2-甲基-2-丁烯腈和顺式-2-戊烯腈的混合物被分离出来,c)含顺式-2-甲基-2-丁烯腈和来自步骤b顺式-2-戊烯腈)在反应器R2中的混合物 氧化铝的存在下连续异构化成含3-戊烯腈产物混合物作为催化剂,d)从所述反应器R2的反应流出物中分离在一个工作式2在蒸馏设备中顺式-2-甲基-2-丁烯腈作为顶部产物和ausschleust。

    NOVEL PROCESS FOR THE MANUFACTURE OF METHYL LIMONITRILE
    3.
    发明申请
    NOVEL PROCESS FOR THE MANUFACTURE OF METHYL LIMONITRILE 审中-公开
    用于制造甲基硫酸钠的新工艺

    公开(公告)号:WO2013120808A1

    公开(公告)日:2013-08-22

    申请号:PCT/EP2013/052689

    申请日:2013-02-11

    IPC分类号: C07C253/30 C07C255/07

    摘要: The present invention is directed to a process for the manufacture of methyl limonitrile comprising a mixture of 3,7-dimethyl-2,6-nonadiene nitrile, 3,7-dimethyl-3,6-nonadiene nitrile and 7-methyl-3-methylene-6-nonene nitrile comprising the following steps: a) reacting 6-methyl-5-octen-2-one with cyano acetic acid and removing carbon dioxide and water, wherein the reaction and the removal of carbon dioxide and water are performed in the presence of a base and a co-base 1 in an organic solvent, and wherein the organic solvent is a solvent which forms a heteroazeotrop with water; b) removing the solvent and the base of the reaction mixture obtained after having performed step a) or step c) by distillation to obtain a reaction mixture, whereby this step may optionally be performed in the presence of a co-base 2; c) isomerizing the reaction mixture obtained after having performed step a) or step b) to obtain an isomerized reaction mixture in the presence of a co-base 2; whereby step b) can be performed before or after step c).

    摘要翻译: 本发明涉及一种制备甲基有限公司的方法,该方法包括3,7-二甲基-2,6-壬二烯腈,3,7-二甲基-3,6-壬二烯腈和7-甲基-3- 亚甲基-6-壬烯腈包括以下步骤:a)使6-甲基-5-辛烯-2-酮与氰基乙酸反应并除去二氧化碳和水,其中二氧化碳和水的反应和除去在 在有机溶剂中存在碱和共碱1,其中有机溶剂是与水形成杂合性的溶剂; b)通过蒸馏除去在进行步骤a)或步骤c)之后获得的反应混合物的溶剂和碱,得到反应混合物,由此该步骤可任选地在共碱2存在下进行; c)使在步骤a)或步骤b)中获得的反应混合物异构化,以在共碱2存在下得到异构化反应混合物; 由此步骤b)可以在步骤c)之前或之后进行。

    PROCESS FOR MAKING 3-PENTENENITRILE BY HYDROCYANATION OF BUTADIENE
    6.
    发明申请
    PROCESS FOR MAKING 3-PENTENENITRILE BY HYDROCYANATION OF BUTADIENE 审中-公开
    通过丁二烯氢化制备3-庚烯腈的方法

    公开(公告)号:WO2008008929A2

    公开(公告)日:2008-01-17

    申请号:PCT/US2007/073419

    申请日:2007-07-13

    CPC分类号: C07C253/10 C07C255/07

    摘要: The invention provides a continuous process for the production of 3-pentenenitrile, comprising: (a) contacting, in a reaction zone, a hydrogen cyanide-containing feed, a 1,3-butadiene-containing feed, and a catalyst precursor composition, wherein the catalyst precursor composition comprises a zero-valent nickel and at least one multidentate phosphorus-containing ligand selected from the group consisting of a phosphite, a phosphonite, a phosphinite, a phosphine, and a mixed phosphorus-containing ligand or a combination of such members; and (b) maintaining a residence time sufficient to convert about 95% or more of the hydrogen cyanide and to produce a reaction mixture comprising 3-pentenenitrile and 2-methyl-3-butenenitrile, wherein the 2-methyl-3-butenenitrile concentration is maintained below about 15 weight percent of the total mass of the reaction mixture.

    摘要翻译: 本发明提供了用于生产3-戊烯腈的连续方法,其包括:(a)在反应区中使含氰化氢的进料,含有1,3-丁二烯的进料 和催化剂前体组合物,其中所述催化剂前体组合物包含零价镍和至少一种选自亚磷酸酯,亚膦酸酯,次膦酸酯,膦和混合的含磷配体的多齿含磷配体, 含有配体或这些成员的组合; (b)维持足以转化约95%或更多的氰化氢的停留时间并产生包含3-戊烯腈和2-甲基-3-丁烯腈的反应混合物,其中2-甲基-3-丁烯腈的浓度为 保持在反应混合物总质量的约15重量%以下。

    PROCESS FOR MAKING 3-PENTENENITRILE BY HYDROCYANATION OF BUTADIENE
    7.
    发明申请
    PROCESS FOR MAKING 3-PENTENENITRILE BY HYDROCYANATION OF BUTADIENE 审中-公开
    通过二苯乙烯的氢化制备3-苯并噻唑的方法

    公开(公告)号:WO2008008928A2

    公开(公告)日:2008-01-17

    申请号:PCT/US2007073417

    申请日:2007-07-13

    CPC分类号: C07C253/10 C07C255/07

    摘要: The invention provides a continuous process for the production of 3- pentenenitrile, comprising: (a) contacting, in a reaction zone, a hydrogen cyanide-containing feed, a butadiene-containing feed, and a catalyst precursor composition, wherein the catalyst precursor composition comprises a zero-valent nickel and at least one bidentate phosphite ligand selected from a member of the group represented by Structures I and II, in which all like reference characters have the same meaning, except as further explicitly limited: wherein R1 and R5 are independently selected from the group consisting of Ci to C5 hydrocarbyl, and R2, R3, R4, Re, R7 and R8 are independently selected from the group consisting of H and C1 to C4 hydrocarbyl; and (b) maintaining a residence time in the reaction zone sufficient to convert about 95% or more of the hydrogen cyanide and to produce a reaction mixture comprising 3-pentenenitrile and 2-methyl-3-butenenitrile, wherein the 2-methyl-3- butenenitrile concentration is maintained below about 15 weight percent of the total mass of the reaction mixture.

    摘要翻译: 本发明提供了制备3-戊烯腈的连续方法,其包括:(a)在反应区中与含氰化氢的进料,含丁二烯的进料和催化剂前体组合物接触,其中催化剂前体组合物 包括零价镍和至少一种选自由结构I和II表示的基团中的成员的二齿亚磷酸酯配体,其中除了进一步明确限制之外,所有相似的参考符号具有相同的含义:其中R1和R5独立地为 选自C 1至C 5烃基,R 2,R 3,R 4,R 5,R 7和R 8独立地选自H和C 1至C 4烃基; 和(b)保持反应区中的停留时间足以转化约95%或更多的氰化氢并产生包含3-戊烯腈和2-甲基-3-丁烯腈的反应混合物,其中2-甲基-3 - 丁烯腈浓度保持在反应混合物总质量的约15重量%以下。