Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein
    222.
    发明申请
    Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein 失效
    用于其中的共轭二烯,催化剂和二齿配体的调聚方法

    公开(公告)号:US20060084832A1

    公开(公告)日:2006-04-20

    申请号:US11299101

    申请日:2005-12-09

    Abstract: Process for the telomerization of a conjugated diene, wherein the conjugated diene is reacted with a compound containing an active hydrogen atom and having a formula R′—H in the presence of a telomerization catalyst based on: (a) a source of group VIII metal, (b) a bidentate ligand wherein the bidentate ligand has the general formula I R1R2M1-R-M2R3R4  (I) wherein M1 and M2 are independently P, As or Sb; R1, R2, R3 and R4 independently represent a monovalent aliphatic group; or R1, R2 and M1 together and/or R3, R4 and M2 together independently represent an optionally substituted aliphatic cyclic group with at least 5 ring atoms, of which one is the M1 or M2 atom, respectively; R represents a bivalent organic bridging group; and novel bidentate diphosphines which can be used in this process.

    Abstract translation: 共轭二烯的调聚方法,其中在调聚催化剂的存在下,共轭二烯与含有活性氢原子的化合物反应并具有式R'-H,其基于:(a)VIII族金属源 ,(b)二齿配位体,其中二齿配位体具有通式I <βin-line-formula description =“In-line Formulas”end =“lead”?> R&lt; (1)&lt; 2&gt; 1&gt; -RM&lt; 2&gt; line-formula description =“In-line Formulas”end =“tail”?>其中M 1和M 2独立地是P,As或Sb; R 1,R 2,R 3和R 4独立地表示一价脂族基团; 或R 1,R 2和M 1一起和/或R 3,R 4, / SUP&amp;和M&gt; 2共同独立地表示具有至少5个环原子的任选取代的脂族环基,其中一个是M 1或M 2, / SUP>原子; R表示二价有机桥基; 和可用于该方法的新型二齿二膦。

    Process for the preparation of ε-caprolactam
    224.
    发明授权
    Process for the preparation of ε-caprolactam 失效
    制备ε-己内酰胺的方法

    公开(公告)号:US06841666B2

    公开(公告)日:2005-01-11

    申请号:US10473077

    申请日:2002-03-22

    CPC classification number: C08G69/16 C07D201/08

    Abstract: The invention relates to a process for the preparation ε-caprolactam starting from 6-aminocapronitrile by hydrolysis/oligomerisation followed by de-oligomerisation/cyclisation using superheated steam characterized in that the hydrolysis/oligomerisation is performed with superheated steam converting 6-aminocapronitrile into a molten phase and a gas phase comprising ammonia, ammonia is continuously separated off and the de-oligomerisation/cyclisation is performed by treating the molten phase further with superheated steam. The invention also relates to a process for the preparation of ε-caprolactam starting from 6-aminocapronitrile by hydrolysis/oligomerisation followed by de-oligomerisation/cyclisation characterized in that the preparation is performed in a horizontal scraped-surface reactor, the hydrolysis/oligomerisation is performed with superheated steam converting 6-aminocapronitrile into a molten phase and a gas phase comprising ammonia, ammonia is continuously separated off and the de-oligomerisation/cyclisation is performed by treating the molten phase further with superheated steam.

    Abstract translation: 本发明涉及一种从6-氨基己腈开始通过水解/低聚制备ε-己内酰胺,然后使用过热蒸汽进行脱低聚/环化的方法,其特征在于水解/低聚反应用过热蒸汽将6-氨基己腈转化成熔融 相和包含氨的气相,氨被连续分离,并且通过用过热蒸汽进一步处理熔融相进行脱低聚/环化。 本发明还涉及从6-氨基己腈开始制备ε-己内酰胺的方法,其通过水解/低聚,接着进行脱低聚/环化,其特征在于制备在水平刮面反应器中进行,水解/低聚是 使用过热蒸汽将6-氨基己腈转化成熔融相和包含氨的气相,连续分离氨,通过用过热蒸汽进一步处理熔融相进行脱低聚/环化。

    METHOD FOR MAKING CAPROLACTAM FROM IMPURE ACN IN WHICH THA IS NOT REMOVED UNTIL AFTER CAPROLACTAM IS PRODUCED
    225.
    发明申请
    METHOD FOR MAKING CAPROLACTAM FROM IMPURE ACN IN WHICH THA IS NOT REMOVED UNTIL AFTER CAPROLACTAM IS PRODUCED 失效
    在生产CAPROLACTAM之后,不能移除来自侵入ACN的CAPROLACTAM的方法

    公开(公告)号:US20040260087A1

    公开(公告)日:2004-12-23

    申请号:US10464104

    申请日:2003-06-17

    CPC classification number: C07D201/08

    Abstract: Method for making caprolactam from 6-aminocapronitrile that contains greater than 500 ppm tetrahydroazepine and its derivatives (THA) in which the THA is not removed from the method until after the caprolactam is produced.

    Abstract translation: 从6-氨基己腈制备己内酰胺的方法,其含有大于500ppm的四氮氮平及其衍生物(THA),其中THA不从该方法中除去,直到己内酰胺生产。

    Methods of making pyrrolidones
    227.
    发明申请

    公开(公告)号:US20030125570A1

    公开(公告)日:2003-07-03

    申请号:US10280622

    申请日:2002-10-25

    CPC classification number: C07D207/267 C07D201/02 C07D201/08

    Abstract: The present invention provides methods for making N-methylpyrrolidine and analogous compounds via hydrogenation. Novel catalysts for this process, and novel conditions/yields are also described. Other process improvements may include extraction and hydrolysis steps. Some preferred reactions take place in the aqueous phase. Starting materials for making N-methylpyrrolidine may include succinic acid, N-methylsuccinimide, and their analogs.

    Methods of making pyrrolidones
    228.
    发明申请
    Methods of making pyrrolidones 有权
    制备吡咯烷酮的方法

    公开(公告)号:US20030120087A1

    公开(公告)日:2003-06-26

    申请号:US10280462

    申请日:2002-10-25

    CPC classification number: C07D207/267 C07D201/02 C07D201/08

    Abstract: The present invention provides methods for making N-methylpyrrolidine and analogous compounds via hydrogenation. Novel catalysts for this process, and novel conditions/yields are also described. Other process improvements may include extraction and hydrolysis steps. Some preferred reactions take place in the aqueous phase. Starting materials for making N-methylpyrrolidine may include succinic acid, N-methylsuccinimide, and their analogs.

    Abstract translation: 本发明提供了通过氢化制备N-甲基吡咯烷和类似化合物的方法。 还描述了用于该方法的新型催化剂和新的条件/收率。 其他工艺改进可以包括提取和水解步骤。 一些优选的反应发生在水相中。 用于制备N-甲基吡咯烷的原料可包括琥珀酸,N-甲基琥珀酰亚胺及其类似物。

    Method for producing cyclic lactams
    229.
    发明申请
    Method for producing cyclic lactams 有权
    环状内酰胺的制备方法

    公开(公告)号:US20030114664A1

    公开(公告)日:2003-06-19

    申请号:US10257877

    申请日:2002-10-17

    CPC classification number: C07D201/08 C07D201/16

    Abstract: The invention relates to a method for producing cyclic lactams of formula (II) by reacting a compound (I) of formula (I) with water in the presence of an organic, liquid dilution agent in the liquid phase. In formula (II), n and m respectively can have the values 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 and the sum of nnullm is at least 3, preferably at least 4 and R1 and R2 represent C1-C6 alkyl, C5-C7 cycloalkyl or C6-C12 aryl groups. In formula (I), R1, R2, m and n are defined as above and R represents nitrile, carboxylic acid amide and carboxylic acid groups. The inventive method is characterized in that a) compound (I) is reacted with water in the liquid phase in the presence of an organic, liquid dilution agent (III) to form a mixture (IV) containing a lactam (II) and said mixture (IV) is subjected to an aqueous treatment to obtain a two-phase system.

    Abstract translation: 本发明涉及在液相中有机液体稀释剂存在下使式(I)化合物(I)与水反应制备式(II)的环状内酰胺的方法。 在式(II)中,n和m分别具有0,1,2,3,4,5,6,7,8和9的值,并且n + m的和至少为3,优选至少为4,并且 R1和R2表示C1-C6烷基,C5-C7环烷基或C6-C12芳基。 在式(I)中,R 1,R 2,m和n如上定义,R代表腈,羧酸酰胺和羧酸基团。 本发明的方法的特征在于:a)化合物(I)在液相中在有机液体稀释剂(III)的存在下与水反应,形成含有内酰胺(II)的混合物(IV),所述混合物 (IV)进行水处理以获得两相体系。

    Methods of making pyrrolidones
    230.
    发明申请

    公开(公告)号:US20030097006A1

    公开(公告)日:2003-05-22

    申请号:US09884602

    申请日:2001-06-18

    CPC classification number: C07D207/267 C07D201/02 C07D201/08

    Abstract: The present invention provides methods for making N-methylpyrrolidine and analogous compounds via hydrogenation. Novel catalysts for this process, and novel conditions/yields are also described. Other process improvements may include extraction and hydrolysis steps. Some preferred reactions take place in the aqueous phase. Starting materials for making N-methylpyrrolidine may include succinic acid, N-methylsuccinimide, and their analogs.

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