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1. 发明申请

WO2005082829A1 PROCESS FOR THE CARBONYLATION OF A CONJUGATED DIENE 审中-公开
标题翻译：联合二烯的羰基化方法
公开(公告)号：WO2005082829A1
公开(公告)日：2005-09-09
申请号：PCT/EP2005/050790
申请日：2005-02-24
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , JAGER, Willem Wabe , PRINGLE, Paul Gerard
发明人： DRENT, Eit , JAGER, Willem Wabe , PRINGLE, Paul Gerard
IPC分类号： C07C67/38
CPC分类号： C07C67/38 , C07C69/533
摘要： A process for the carbonylation of a conjugated diene, comprising reacting the conjugated diene with carbon monoxide and a co-reactant having an active hydrogen atom in the presence of a catalyst system including: (a) a source of palladium; and (b) a bidentate diphosphine ligand of formula (II): R 1 > P 1 -R- P 2 2 R 3 wherein P 1 and p2 represent phosphorus atoms; R 1 represents an optionally substituted divalent organic group linked to the phosphorus atom by two tertiary carbon atoms; and R 2 and R 3 independently represent univalent groups of from 1 to 20 atoms containing a tertiary carbon atom through which each group is linked to the phosphorus atom, or R 2 and R 3 jointly form an optionally substituted divalent organic group containing at least 2 tertiary carbon atoms through which the group is linked to the phosphorus atom; and R represents a divalent bridging group comprising 3 atoms through which P 1 is linearly connected to P 2 ;and (c) a source of an anion.
摘要翻译：一种共轭二烯的羰基化方法，包括使共轭二烯与一氧化碳和具有活性氢原子的共反应物在催化剂体系存在下反应，所述催化剂体系包括：（a）钯源; 和（b）式（II）的二齿二膦配体：R 1，P 1 -R 2，P 2，R 2 R 3，其中P 1和P 2表示磷原子; R 1表示通过两个叔碳原子与磷原子连接的任选取代的二价有机基团; R 2和R 3独立地表示含有每个基团与磷原子连接的叔碳原子的1至20个原子的一价基团，或者R 2和R 3共同形成任选的含有至少2个叔碳原子的取代的二价有机基团，该基团通过其与磷原子连接; 并且R表示包含3个原子的二价桥连基团，P 1与P 2线性连接;和（c）阴离子源。

2. 发明申请

WO2008034894A1 PROCESS FOR PRODUCING OLEFINS 审中-公开
标题翻译：生产油脂的方法
公开(公告)号：WO2008034894A1
公开(公告)日：2008-03-27
申请号：PCT/EP2007/060030
申请日：2007-09-21
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , VAN GINKEL, Roelof , JAGER, Willem Wabe
发明人： DRENT, Eit , VAN GINKEL, Roelof , JAGER, Willem Wabe
IPC分类号： C07C1/24 , C07C29/16 , B01J31/24
CPC分类号： C07F9/65683 , B01J31/2419 , B01J2231/321 , B01J2531/845 , C07C1/24 , C07C29/16 , C07C11/02 , C07C31/125
摘要： Process for converting an olefin having x carbon atoms into an olefin having x+1 carbon atoms wherein the process comprises the steps of : (i) reacting an olefin having x carbon atoms with carbon monoxide and hydrogen in the presence of a hydrof ormylation catalyst to produce an alcohol having x+1 carbon atoms, and (ii) dehydrating the alcohol produced in step (i) in the presence of a dehydration catalyst to produce an olefin having x+1 carbon atoms characterised in that the the hydrof ormylation catalyst used in step (i) is based on: (a) a source of cobalt, and (b) a ligand selected from: (i) a ligand of general formula (I) : R 1 R 2 P-R 3 (I) wherein R 1 and R 2 are independently a hydrocarbyl group with C 1 -C 12 carbon atoms or together with the phosphorus atom P represent an optionally substituted cyclic group with at least 5 ring atoms; and wherein R 3 is a monovalent radical of general formula: -R 4 -C (O) NR 5 R 6 (II) wherein R 4 is an alkylene group and R 5 and R 6 independently represent an alkyl, cycloalkyl, aryl, alkaryl or heteroaryl group; (ii) a ligand of general formula (III) : R 1 R 2 P-R 4 -C(O)N(R 7 ) -R 8 -N(R 7 ) C(O) -R 4 PR 1 R 2 (III) wherein R 1 , R 2 and R 4 are as defined above, wherein R 7 independently represents an alkyl, cycloalkyl, aryl, alkaryl or heteroaryl group, and wherein R 8 represents an alkylene, cycloalkylene, arylene or alkarylene group; and (iii) a ligand of general formula (IV) : R 1 R 2 P-R 4 -C (O) N- (R 8 ) 2 -NC (O) -R 4 -PR 1 R 2 (IV) wherein R 1 , R 2 , R 4 and R 8 are as defined above; and mixtures thereof.
摘要翻译：将具有x个碳原子的烯烃转化为具有x + 1个碳原子的烯烃的方法，其中该方法包括以下步骤：（i）在氢化甲酰化催化剂存在下使具有x个碳原子的烯烃与一氧化碳和氢气反应，产生具有x + 1个碳原子的醇，和（ii）在脱水催化剂存在下使步骤（i）中产生的醇脱水以产生具有x + 1个碳原子的烯烃，其特征在于所用的氢化甲酰化催化剂步骤（i）基于：（a）钴源，和（b）选自以下的配体：（i）通式（I）的配体：R 1，其中R 1和R 2独立地是具有C 1〜C的烃基，其中R 1，R 2， C 1 -C 12碳原子或与磷原子一起P表示具有至少5个环原子的任选取代的环状基团; 并且其中R 3是通式的一价基团：-R 4 -S（O）NR 5 R 6，其中R 4为亚烷基且R 5和R 6独立地代表烷基，环烷基，芳基，烷芳基或杂芳基; （ii）通式（III）的配体：R 1，R 2，R 4，C（O）N（R） 7（R 7）-R 8 - （R 7）C（O）-R 4 PR 1，其中R 1，R 2和R 4如上所定义，其中R 1，R 2，R 2， R 7独立地表示烷基，环烷基，芳基，烷芳基或杂芳基，其中R 8表示亚烷基，亚环烷基，亚芳基或亚烷基; 和（iii）通式（IV）的配体：R 1，R 2，R 4，-C（O） SUP> 8）2 -NO（O）-R 4 - PR 1 R 2 - （Ⅳ）其中R 1，R 2，R 4和R 8如上所定义; 及其混合物。

3. 发明申请

WO2006084889A1 PROCESS FOR THE PREPARATION OF A DICARBOXYLIC ACID 审中-公开
标题翻译：制备二羧酸的方法
公开(公告)号：WO2006084889A1
公开(公告)日：2006-08-17
申请号：PCT/EP2006/050823
申请日：2006-02-10
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , VAN BROEKHOVEN, Johannes, Adrianus, Maria , DRENT, Eit , ERNST, Rene , JAGER, Willem, Wabe , KROM, Cornelia, Alida
发明人： VAN BROEKHOVEN, Johannes, Adrianus, Maria , DRENT, Eit , ERNST, Rene , JAGER, Willem, Wabe , KROM, Cornelia, Alida
IPC分类号： C07C51/44 , C07C55/14
CPC分类号： C07C51/14 , C07C55/14
摘要： A process for the preparation of a dicarboxylic acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, to obtain a mixture containing an ethylenically unsaturated acid and one or more reversible adduct of the conjugated diene and the ethylenically unsaturated acid; and (b) removing unreacted conjugated diene, and the reversible adducts of the conjugated diene from the reaction mixture; and (c) reacting the mixture obtained in step (b) containing the ethylenically unsaturated acid further with carbon monoxide and water to obtain the dicarboxylic acid.
摘要翻译：一种制备二羧酸的方法，包括以下步骤：（a）在包括钯源，阴离子源和二齿膦配体的催化剂体系存在下，使共轭二烯与一氧化碳和水接触，以获得含有烯属不饱和酸和共轭二烯和烯属不饱和酸的一种或多种可逆加合物的混合物; 和（b）从反应混合物中除去未反应的共轭二烯和共轭二烯的可逆加合物; 和（c）使含有烯属不饱和酸的步骤（b）中获得的混合物与一氧化碳和水进一步反应，得到二羧酸。

4. 发明申请

WO2005082830A1 PROCESS FOR THE CARBONYLATION OF ETHYLENICALLY OR ACETYLENICALLY UNSATURATED COMPOUNDS 审中-公开
标题翻译：亚乙基或乙酰化不饱和化合物的羰基化方法
公开(公告)号：WO2005082830A1
公开(公告)日：2005-09-09
申请号：PCT/EP2005/050803
申请日：2005-02-25
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , ERNST, René , JAGER, Willem Wabe , PUGH, Robert Ian
发明人： DRENT, Eit , ERNST, René , JAGER, Willem Wabe , PUGH, Robert Ian
IPC分类号： C07C67/38
CPC分类号： B01J31/2409 , B01J2231/321 , B01J2531/824 , B01J2531/828 , C07C51/14 , C07C67/38 , C07F9/65522 , C07F9/65683 , C07C55/14 , C07C69/24
摘要： A process for the carbonylation of unsaturated compounds by contacting the unsaturated compound with carbon monoxide in the presence of a catalyst system comprising: (a) a source of palladium and/or platinum; and (e) an unsymmetrical bidentate diphosphine ligand of formula (I), R 1 R 2 > P 1 - R 3 - P 2 4 R 5 (I) wherein P 1 andp P 2 represent phosphorus atoms; R 3 represents a divalent organic bridging group; and R 1 , R 2 , R 4 and R 5 each individually, or R l and R 2 jointly, and/or R 4 and R 5 jointly represent organic groups that are covalently linked to the phosphorus; and wherein R 1 , R 2 , R 4 and R 5 are chosen in such way, that the phosphino group R 1 R 2 > P 1 differs from the phosphino group P 2 4 R 5 .
摘要翻译：在催化剂体系存在下使不饱和化合物与一氧化碳接触，使不饱和化合物羰基化的方法包括：（a）钯和/或铂的来源; 和（e）式（I）的不对称二齿二膦配体，R 1 R 2，P 1 -R 3，P 2，R 4 R 5（I）其中P 1和P 2表示磷原子; R 3表示二价有机桥基; R 1，R 2，R 4和R 5各自独立地为R 1和R 2共同表示，和/或R 4和R 5共同表示有机与磷共价连接的基团; 并且其中R 1，R 2，R 4和R 5以这样的方式选择，即膦基R 1，R 2，P 1不同于膦基P <2>

5. 发明申请

WO2004103948A1 PROCESS FOR THE CARBONYLATION OF A CONJUGATED DIENE 审中-公开
标题翻译：联合二烯的羰基化方法
公开(公告)号：WO2004103948A1
公开(公告)日：2004-12-02
申请号：PCT/EP2004/050794
申请日：2004-05-13
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , ERNST, René , JAGER, Willem, Wabe
发明人： DRENT, Eit , ERNST, René , JAGER, Willem, Wabe
IPC分类号： C07C67/38
CPC分类号： B01J31/04 , B01J31/24 , B01J2231/321 , B01J2531/824 , C07C67/38 , C07C231/12 , C07F9/5027 , C07F9/657163 , C07C69/24 , C07C233/09
摘要： A process for the carbonylation of a conjugated diene, comprising reacting the conjugated diene with carbon monoxide and a co-reactant having a mobile hydrogen atom in the presence of a catalyst system including: (a) a source of palladium; and (b) a bidentate diphosphine ligand of formula (II): R 1 R 2 > p 1 R 3 m -R-R 4 n -p 2 5 R 6 wherein p 1 and p 2 represent phosphorus atoms; R 1 , R 2 , R 5 , and R 6 independently represent the same or different optionally substituted organic radical containing a tertiary carbon atom through which each radical is linked to the phosphorus atom; R 3 and R 4 independently represent the same or different optionally substituted methylene groups; R represents an organic group comprising the bivalent bridging group C 1 -C 2 through which R is connected to R 3 and R 4 ; m and n independently represent a natural number in the range of from 0 to 4, wherein the rotation about the bond between the carbon atoms C 1 and C 2 of the bridging group is restricted a temperature in the range of from 0 °C to 250 °C, and wherein the dihedral angle between the plane occupied by the three atom sequence composed of C 1 , C 2 and the atom directly bonded to C 1 in the direction of p 1 , and the plane occupied by the three atom sequence C 1 , C 2 and the atom directly bonded to C 2 in the direction of p 2 , is in the range of from 0 to 120°; and (c) a source of an anion.
摘要翻译：一种共轭二烯的羰基化方法，包括在催化剂体系存在下使共轭二烯与一氧化碳和具有可移动氢原子的共反应物反应，包括：（a）钯源; 和（b）式（II）的二齿二膦配体：R 1 R 2 p 1 R 3 mRR 4 np 2 R 5 R 6其中p ＆lt; 1＆gt;和p＆lt; 2＆gt;表示磷原子。 R 1，R 2，R 5和R 6独立地表示相同或不同的含有叔碳原子的任选取代的有机基团，每个基团通过其与磷原子连接; R 3和R 4独立地表示相同或不同的任选取代的亚甲基; R表示包含与R 3和R 4连接的二价桥连基团C 1 -C 2的有机基团; m和n独立地表示0至4范围内的自然数，其中桥接基团的碳原子C 1和C 2之间的键的旋转限制在0的范围内的温度 ℃至250℃，并且其中由C 1，C 2构成的三原子序列占据的平面与在p 1方向上直接键合到C 1的原子之间的二面角，以及由3原子序列C 1，C 2和直接键合到C 2的原子在p <2>的方向上占据的平面在0至120°的范围内; 和（c）阴离子源。

6. 发明申请

WO2004103942A1 PROCESS FOR THE HYDROCARBOXYLATION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS 审中-公开
标题翻译：乙酰化不饱和羧酸的碳氢化合物的方法
公开(公告)号：WO2004103942A1
公开(公告)日：2004-12-02
申请号：PCT/EP2004/050820
申请日：2004-05-17
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , VAN GINKEL, Roelof , JAGER, Willem Wabe
发明人： DRENT, Eit , VAN GINKEL, Roelof , JAGER, Willem Wabe
IPC分类号： C07C51/14
CPC分类号： C07C51/14 , C07C55/14
摘要： A process for the hydrocarboxylation of an ethylenically unsaturated carboxylic acid, by reacting it with carbon monoxide and a co-reactant selected from the group of water and carboxylic acids in the presence of a catalyst system including: (a) a source of palladium; (b) a bidentate diphosphine of formula (I), R 1 R 2 > P - R 3 - R - R 4 - P 5 R 6 (I) wherein P represents a phosphorus atom; R 1 , R 2 , R 5 and R 6 independently represent the same or different optionally substituted organic groups containing a tertiary carbon atom through which the group is linked to the phosphorus atom; R 3 and R 4 independently represent optionally substituted alkylene groups and R represents an optionally substituted aromatic group; (c) a source of anions derived from an acid having a pKa of less than 3, as measured at 18 °C in an aqueous solution.
摘要翻译：在催化剂体系存在下，通过使其与一氧化碳和选自水和羧酸的共反应物反应，使烯属不饱和羧酸的氢化羧化的方法包括：（a）钯源; （b）式（I）的二齿二膦，R 1 R 2 P-R 3 -R-R 4 - P

7. 发明申请

WO2006125801A1 PROCESS FOR THE PREPARATION OF ADIPIC ACID FROM N-PENTENOIC ACID 审中-公开
标题翻译：从N-硝基酸制备丙二酸的方法
公开(公告)号：WO2006125801A1
公开(公告)日：2006-11-30
申请号：PCT/EP2006/062590
申请日：2006-05-24
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , ERNST, Rene , JAGER, Willem Wabe , KROM, Cornelia Alida , NISBET, Timothy Michael , VAN BROEKHOVEN, Johannes Adrianus Maria
发明人： DRENT, Eit , ERNST, Rene , JAGER, Willem Wabe , KROM, Cornelia Alida , NISBET, Timothy Michael , VAN BROEKHOVEN, Johannes Adrianus Maria
IPC分类号： C07C51/14 , C07C51/42 , C07C51/43 , C07C55/14 , B01J23/44
CPC分类号： B01J31/2404 , B01J2231/321 , B01J2531/0238 , B01J2531/824 , C07C51/14 , C07C51/43 , C07C55/14
摘要： A process for the preparation of adipic acid from n-pentenoic acid, comprising the steps of (a) contacting the n-pentenoic acid with carbon monoxide and water in the presence of a catalyst system including a source of palladium and a bidentate diphosphine ligand, to obtain a reaction mixture comprising adipic acid, n-pentenoic acid, and catalyst system; and (b) subjecting the reaction mixture to conditions under which adipic acid precipitates from the reaction mixture to obtain precipitated adipic acid and remaining liquid reaction mixture comprising at least part of the n-pentenoic acid in admixture with the catalyst system; and (c) separating the precipitated adipic acid from the remaining liquid reaction mixture comprising at least part of the n-pentenoic acid in admixture with the catalyst system to obtain separated off adipic acid; and (d) washing the separated off adipic acid with n-pentenoic acid and/or water.
摘要翻译：一种从正戊烯酸制备己二酸的方法，包括以下步骤：（a）在包括钯源和二齿二膦配体的催化剂体系的存在下使正戊烯酸与一氧化碳和水接触，得到包含己二酸，正戊烯酸和催化剂体系的反应混合物; 和（b）使反应混合物经历从反应混合物中沉淀己二酸的条件，以获得沉淀的己二酸和包含至少部分正戊烯酸的剩余液体反应混合物与催化剂体系的混合物; 和（c）将沉淀的己二酸与包含至少部分正戊烯酸的剩余液体反应混合物与催化剂体系混合分离以获得分离的己二酸; 和（d）用正戊烯酸和/或水洗涤分离的己二酸。

8. 发明申请

WO2004028689A2 PROCESS FOR THE HYDROFORMYLATION OF AN ETHYLENICALLY UNSATURATED COMPOUND 审中-公开
标题翻译：乙烯化合物的水解方法
公开(公告)号：WO2004028689A2
公开(公告)日：2004-04-08
申请号：PCT/EP2003/050654
申请日：2003-09-24
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , VAN GINKEL, Roelof , JAGER, Willem, Wabe
发明人： DRENT, Eit , VAN GINKEL, Roelof , JAGER, Willem, Wabe
IPC分类号： B01J31/24
CPC分类号： B01J31/2433 , B01J31/2476 , B01J31/248 , B01J31/28 , B01J2231/321 , B01J2531/80 , B01J2531/824 , C07C45/50 , C07C67/347 , C07F9/65683 , C07C69/675 , C07C69/716 , C07C47/02
摘要： Process for the hydroformylation of an optionally substituted ethylenically unsaturated compound by reaction thereof with carbon monoxide and hydrogen in the presence of a specific catalyst system. The specific catalyst system comprises: a) a source of group VIII metal cations; b) a diphosphine ligand having the general formula X 1 -R-X 2 , wherein X 1 and X 2 each independently represent an optionally substituted cyclic group with at least 5 ring atoms, of which one is a phosphorus atom, and R represents a bivalent optionally substituted bridging group, connected to each phosphorus atom by a sp2 hybridized carbon atom; c) an acid having a pKa
摘要翻译：在特定催化剂体系存在下，通过与一氧化碳和氢气反应，任选取代的烯属不饱和化合物的羰基化方法。具体的催化剂体系包括：a）VIII族金属阳离子源; b）具有通式X 1 -RX 2的二膦配体，其中X 1和X 2各自独立地表示具有至少5个环原子的任选取代的环状基团，其中一个是磷原子，R表示二价任选取代的桥连基团，其通过sp2杂化的碳原子连接到每个磷原子上; c）在18℃的水溶液中测得的pKa <3的酸或其衍生的盐; 和d）卤化物阴离子源。此外，还描述了在该方法中使用的一些具体的二齿二膦。

9. 发明申请

WO2006084891A1 PROCESS FOR THE CARBONYLATION OF A CONJUGATED DIENE 审中-公开
标题翻译：联合二烯的羰基化方法
公开(公告)号：WO2006084891A1
公开(公告)日：2006-08-17
申请号：PCT/EP2006/050825
申请日：2006-02-10
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , ERNST, Rene , JAGER, Willem, Wabe , KROM, Cornelia, Alida , NISBET, Timothy, Michael
发明人： DRENT, Eit , ERNST, Rene , JAGER, Willem, Wabe , KROM, Cornelia, Alida , NISBET, Timothy, Michael
IPC分类号： C07C51/14 , C07C57/03 , C07C57/13
CPC分类号： C07C51/14 , C07C57/03
摘要： A process for the carbonylation of a conjugated diene to an ethylenically unsaturated acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, to obtain a mixture comprising an ethylenically unsaturated acid and a reversible diene adduct comprising alkenyl ester of the conjugated diene with the ethylenically unsaturated acid; (b) separating the obtained reaction mixture into a gaseous stream comprising unreacted conjugated diene and carbon monoxide, a first liquid product stream comprising at least part of the ethylenically unsaturated acid and the reversible diene adducts, and a second liquid stream comprising the catalyst system in admixture with the ethylenically unsaturated acid; (c) separating the first liquid product stream obtained in step (b) into a stream comprising the ethylenically unsaturated acid and a stream comprising the reversible diene adducts; and (d) recycling the stream comprising the reversible diene adducts to step (a) , or converting the reversible diene adducts back to the conjugated diene and the ethylenically unsaturated acid and recycling the thus obtained conjugated diene to step (a).
摘要翻译：一种将共轭二烯羰基化成烯属不饱和酸的方法，包括以下步骤：（a）在包括钯源，阴离子源和/或其盐的催化剂体系存在下使共轭二烯与一氧化碳和水接触，二次膦配体，以获得包含烯键式不饱和酸和包含共轭二烯烯基酯与烯键式不饱和酸的可逆二烯加合物的混合物; （b）将获得的反应混合物分离成包含未反应的共轭二烯和一氧化碳的气流，包含至少部分烯键式不饱和酸和可逆二烯加合物的第一液体产物流和包含催化剂体系的第二液体流与烯属不饱和酸的混合物; （c）将步骤（b）中获得的第一液体产物流分离成包含烯属不饱和酸的物流和包含可逆二烯加成物的物流; 和（d）将包含可逆二烯加合物的料流再循环到步骤（a）中，或将可逆二烯加合物转化回共轭二烯和烯属不饱和酸，并将由此得到的共轭二烯再循环到步骤（a）。

10. 发明申请

WO2006084893A1 PROCESS FOR THE CARBONYLATION OF A CONJUGATED DIENE TO A DICARBOXYLIC ACID 审中-公开
标题翻译：将二羧酸与二羧酸共轭化合物的方法
公开(公告)号：WO2006084893A1
公开(公告)日：2006-08-17
申请号：PCT/EP2006/050829
申请日：2006-02-10
申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , DRENT, Eit , ERNST, Rene , JAGER, Willem, Wabe , KROM, Cornelia, Alida , NISBET, Timothy, Michael
发明人： DRENT, Eit , ERNST, Rene , JAGER, Willem, Wabe , KROM, Cornelia, Alida , NISBET, Timothy, Michael
IPC分类号： C07C51/14 , C07C55/14
CPC分类号： C07C51/14 , C07C55/14
摘要： A process for the carbonylation of a conjugated diene to a dicarboxylic acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, to obtain a mixture comprising an ethylenically unsaturated acid and reversible diene adducts; (b) separating the obtained reaction mixture into a gaseous stream comprising unreacted conjugated diene and carbon monoxide, a first normally liquid stream comprising at least part of the ethylenically unsaturated acid and the reversible diene adducts, and a second normally liquid stream comprising the catalyst system in admixture with the ethylenically unsaturated acid; (c) recycling the second liquid stream obtained in step (b) to step (a) ; (d) separating the first liquid product stream obtained in step (b) into a stream comprising the ethylenically unsaturated acid and a stream comprising the reversible diene adducts; and (e) contacting the stream comprising the ethylenically unsaturated acid obtained in step (d) with carbon monoxide and water in the presence of a second catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand.
摘要翻译：一种将共轭二烯羰基化成二羧酸的方法，包括以下步骤：（a）在包括钯源，阴离子源和阴离子的催化剂体系的存在下使共轭二烯与一氧化碳和水接触二次膦配体，以获得包含烯属不饱和酸和可逆二烯加成物的混合物; （b）将获得的反应混合物分离成包含未反应的共轭二烯和一氧化碳的气流，包含至少部分烯属不饱和酸和可逆二烯加合物的第一常规液体流，以及包含催化剂体系的第二常规液流与烯属不饱和酸的混合物; （c）将步骤（b）中获得的第二液体流循环到步骤（a）; （d）将步骤（b）中获得的第一液体产物流分离成包含烯属不饱和酸的物流和包含可逆二烯加成物的物流; 和（e）在包括钯源，阴离子源和二齿膦配体的第二催化剂体系的存在下，将包含步骤（d）中获得的烯属不饱和酸的物流与一氧化碳和水接触。

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