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    Method for the continuous production of a compound that carries at least two functional groups
    1.
    发明申请
    Method for the continuous production of a compound that carries at least two functional groups 有权

    公开(公告)号：US20060178525A1

    公开(公告)日：2006-08-10

    申请号：US10560740

    申请日：2004-06-11

    申请人： Wolfram Stuer ,  Jens Scheidel ,  Hartwig Voss ,  Peter Bassler ,  Michael Roper

    发明人： Wolfram Stuer ,  Jens Scheidel ,  Hartwig Voss ,  Peter Bassler ,  Michael Roper

    IPC分类号： C07C67/04

    CPC分类号： C07C51/36 ,  C07C51/353 ,  C07C51/47 ,  C07C67/303 ,  C07C67/347 ,  C07C67/56 ,  C07C57/13 ,  C07C55/14 ,  C07C69/44 ,  C07C69/593

    摘要： A process for continuously preparing a compound which bears at least two functional groups which are each independently selected from the group consisting of nitrile group, carboxylic acid group, carboxylic ester group and carboxamide group, comprising the steps of a) adding two terminal olefins which bear the functional groups required to prepare the compound as per a1) containing at least two functional groups, in the presence of a compound as per a3) which is suitable as a catalyst for this addition and is homogeneous with respect to the reaction mixture to obtain a mixture comprising a1) a compound which is obtained by monoaddition of the two terminal olefins mentioned and bears at least two functional groups which are each independently selected from the group consisting of nitrile group, carboxylic acid group, carboxylic ester group and carboxamide group, a2) a compound which is obtained by polyaddition of the two terminal olefins mentioned and a3) the compound which is suitable as a catalyst for this addition and is homogeneous with respect to the reaction mixture, b) distilling the mixture obtained in step a) to obtain b1) the compound which is obtained by monoaddition of the two terminal olefins mentioned and bears at least two functional groups which are each independently selected from the group consisting of nitrile group, carboxylic acid group, carboxylic ester group and carboxamide group, as the top product and b2) a mixture comprising b2a) a compound which is obtained by monoaddition of the two terminal olefins mentioned and bears at least two functional groups which are each independently selected from the group consisting of nitrile group, carboxylic acid group, carboxylic ester group and carboxamide group, b2b) a compound which is obtained by polyaddition of the two terminal olefins mentioned and b2c) the compound which is suitable as a catalyst for this addition and is homogeneous with respect to the reaction mixture, c) separating the entire mixture obtained in step b2) or a portion thereof by means of a semipermeable membrane to obtain a permeate and a retentate, in such a way that the weight ratio of component b2b) to component b2c) in the mixture b2) fed in step c) is smaller than in the retentate, d) recycling the permeate obtained in step b2) partly or fully into step a) and e) recycling the portion of the mixture obtained in step b2) which has not been separated in c) partly or fully into step a).

    Method for separating a homogeneous catalyst
    2.
    发明申请
    Method for separating a homogeneous catalyst 审中-公开
    分离均相催化剂的方法

    公开(公告)号：US20070034576A1

    公开(公告)日：2007-02-15

    申请号：US10561613

    申请日：2004-06-11

    申请人： Wolfram Stuer ,  Jens Scheidel ,  Hartwig Voss ,  Peter Bassler ,  Michael Roper

    发明人： Wolfram Stuer ,  Jens Scheidel ,  Hartwig Voss ,  Peter Bassler ,  Michael Roper

    IPC分类号： B01D61/00

    CPC分类号： C07F15/0073 ,  C07F15/008

    摘要： A process for separating a mixture comprising a) a monoolefinically unsaturated compound which is obtainable by adding two terminal olefins which bear the functional groups required to prepare the monoolefinically unsaturated compound containing at least two functional groups, or a saturated compound obtained by hydrogenating such a compound, b) a compound which is obtainable by adding more than two of the terminal olefins mentioned in a) or a compound obtained by hydrogenating such a compound, and c) a compound which contains a transition metal, is homogeneous with respect to the mixture and is suitable as a catalyst for preparing a monoolefinically unsaturated compound by adding two terminal olefins which bear the functional groups required to prepare the monoolefinically unsaturated compound containing at least two functional groups, by means of a semipermeable membrane to obtain a permeate and a retentate in such a way that the weight ratio of component b) to component c) in the mixture fed to the semipermeable membrane is smaller than in the retentate.

    摘要翻译： 一种分离混合物的方法，该混合物包含a）单烯属不饱和化合物，其可以通过加入含有制备含有至少两个官能团的单烯属不饱和化合物所需的官能团的二末端烯烃，或通过氢化这种化合物获得的饱和化合物 b）通过添加a）中所述的两种以上的末端烯烃或通过氢化这种化合物得到的化合物得到的化合物，和c）含有过渡金属的化合物相对于混合物是均匀的， 通过加入具有制备含有至少两个官能团的单烯属不饱和化合物所需的官能团的二末端烯烃，通过半透膜以制备单烯属不饱和化合物，以获得渗透物和渗余物 组分b）与组分c）的重量比在mi中的方式 进料到半透膜的切口小于滞留物中的孔。

    Method for the production of a dicarboxylic acid from acrylic acid
    9.
    发明申请
    Method for the production of a dicarboxylic acid from acrylic acid 审中-公开
    从丙烯酸生产二羧酸的方法

    公开(公告)号：US20060122425A1

    公开(公告)日：2006-06-08

    申请号：US10519523

    申请日：2003-07-04

    申请人： Peter Bassler ,  Stefan Maixner ,  Jens Scheidel

    发明人： Peter Bassler ,  Stefan Maixner ,  Jens Scheidel

    IPC分类号： C07C51/347

    CPC分类号： C07C67/303 ,  C07C51/09 ,  C07C51/36 ,  C07C67/10 ,  C07C67/347 ,  C07C55/14 ,  C07C57/16 ,  C07C57/13 ,  C07C69/54 ,  C07C69/44 ,  C07C69/593

    摘要： A process for the preparation of a dicarboxylic acid of the formula (I) —H—OOC-(n-C4Hx)—COO—H  (I)where x is 6 or 8, starting from acrylic acid, which comprises a) reacting a dicarboxylic acid diester of the formula (II) R1—OOC-(n-C4Hx)—COO—R2  (II)where x is 6 or 8, and R1 and R2, independently of one another, are C1-, C2-, C3- or C4-alkyl, aryl or heteroaryl and may be identical to or different from one another, with acrylic acid to give a dicarboxylic acid of the formula (I) and a mixture of acrylic acid esters of the formulae C2H3—COOR1 and C2H3—COOR2, where R1 and R2 are as defined above, b) separating the dicarboxylic acid of the formula (I) obtained in step a) from the reaction mixture obtained in step a), c) dimerizing the C2H3—COOR1, C2H3—COOR2 or mixture thereof obtained in step a) to give an n-butenedicarboxylic acid diester, and d) cleaving the dicarboxylic acid diester obtained in step c) into the corresponding dicarboxylic acid of the formula (I).

    摘要翻译： 制备式（I）的二羧酸的方法<？in-line-formula description =“In-line Formulas”end =“lead”→H-OOC-（nC 4） ＆lt;＆lt; x＆gt; x） - COO-H（I）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中x是6或8，从 丙烯酸，其包括：a）使式（II）的二羧酸二酯与式（II）中的<？in-line-formula description =“In-line Formulas”end =“lead”→R＆ OOC-（nC 4 H x） - COO-R 2（II）<？在线公式描述=“在线 式“end =”tail“？>其中x为6或8，R 1和R 2彼此独立地为C 1〜 C 1 -C 3 - ，C 3 - 或C 4 - 烷基，芳基或杂芳基，并且可以相同或不同 另一个与丙烯酸反应，得到式（I）的二羧酸和式C 2 H 3 -COOR 1的丙烯酸酯的混合物 ＆lt; 2＆gt;和＆lt; 2＆gt;＆lt; 3＆lt; 3＆gt; 其中R 1和R 2如上所定义，b）将步骤a）中获得的式（I）的二羧酸与 在步骤a）中获得的反应混合物，c）使C 2 H 3 -NOROR 1，C 2 H 2， H 3 -COOR 2或其步骤a）中获得的混合物，得到正丁二酸二酯，和d）将步骤c）中得到的二羧酸二酯切割成 相应的式（I）的二羧酸。

    Method for Producing Linear Pentenenitrile
    10.
    发明申请
    Method for Producing Linear Pentenenitrile 审中-公开
    生产线性戊烯腈的方法

    公开(公告)号：US20080281120A1

    公开(公告)日：2008-11-13

    申请号：US10586470

    申请日：2005-01-27

    申请人： Tim Jungkamp ,  Robert Baumann ,  Michael Bartsch ,  Gerd Haderlein ,  Hermann Luyken ,  Jens Scheidel ,  Tobias Aechtner ,  Peter Pfab ,  Petra Deckert ,  Wolfgang Siegel ,  Peter Bassler

    发明人： Tim Jungkamp ,  Robert Baumann ,  Michael Bartsch ,  Gerd Haderlein ,  Hermann Luyken ,  Jens Scheidel ,  Tobias Aechtner ,  Peter Pfab ,  Petra Deckert ,  Wolfgang Siegel ,  Peter Bassler

    IPC分类号： C07C255/00

    CPC分类号： C07C253/30 ,  C07C253/10 ,  Y02P20/582 ,  C07C255/07

    摘要： A process is described for preparing 3-pentenenitrile, characterized by the following process steps: (a) isomerizing a reactant stream which comprises 2-methyl-3-butenenitrile over at least one dissolved or dispersed isomerization catalyst to give a stream 1 which comprises the at least one isomerization catalyst, 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile, (b) distilling stream 1 to obtain a stream 2 as the top product which comprises 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile, and a stream 3 as the bottom product which comprises the at least one isomerization catalyst, (c) distilling stream 2 to obtain a stream 4 as the top product which, compared to stream 2, is enriched in (Z)-2-methyl-2-butenenitrile, based on the sum of all pentenenitriles in stream 2, and a stream 5 as the bottom product which, compared to stream 2, is enriched in 3-pentenenitrile and 2-methyl-3-butenenitrile, based on the sum of all pentenenitriles in stream 2, (d) distilling stream 5 to obtain a stream 6 as the bottom product which comprises 3-pentenenitrile and a stream 7 as the top product which comprises 2-methyl-3-butenenitrile.

    摘要翻译： 描述了制备3-戊烯腈的方法，其特征在于以下方法步骤：（a）在至少一种溶解或分散的异构化催化剂上异构化包含2-甲基-3-丁烯腈的反应物流，得到流1，其包含 至少一种异构化催化剂，2-甲基-3-丁烯腈，3-戊烯腈和（Z）-2-甲基-2-丁烯腈，（b）蒸馏物流1，得到作为顶部产物的物流2，其包含2-甲基 -3-丁烯腈，3-戊烯腈和（Z）-2-甲基-2-丁烯腈，以及作为底部产物的料流3，其包含至少一种异构化催化剂，（c）蒸馏物流2以获得物流4， 与流2相比，基于流2中的所有五烯丙烯的总和和作为底部产物的流5，与流2相比富含（Z）-2-甲基-2-丁烯腈的顶部产物与流2相比较 ，富含3-戊烯腈和2-甲基-3-丁烯腈，基于所有pentenenit （d）蒸馏流5以获得作为底部产物的料流6，其包含3-戊烯腈和作为顶部产物的料流7，其包含2-甲基-3-丁烯腈。