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    • 2. 发明申请
    • Process for the Preparation of a Dicarboxylic Acid
    • 二羧酸的制备方法
    • US20080269459A1
    • 2008-10-30
    • US11884113
    • 2006-02-10
    • Eit DrentRene ErnstWillem Wabe JagerCornelia Alida Krom
    • Eit DrentRene ErnstWillem Wabe JagerCornelia Alida Krom
    • C07C57/13C08G73/00
    • C07C51/14B01J31/24B01J2531/824C07C57/03C07C55/14
    • A process for the preparation of a saturated dicarboxylic acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water to obtain a mixture containing an ethylenically unsaturated acid product and one or more reversible adducts of the conjugated diene and the ethylenically unsaturated acid; and (b) reacting the ethylenically unsaturated acid product further with carbon monoxide and water to obtain the dicarboxylic acid, wherein step (a) and (b) are performed in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, and wherein in step (a) the water concentration is maintained at a range of from 0.001 to less than 3% by weight of water, calculated on the overall weight of the liquid reaction medium, and wherein in step (b) the water concentration is maintained at a range of from 3% to 50% by weight of water, calculated on the overall weight of the liquid reaction medium.
    • 一种制备饱和二羧酸的方法,包括以下步骤:(a)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产物和一种或多种可共轭二烯的可逆加合物和烯键式 不饱和酸 和(b)使烯属不饱和酸产物进一步与一氧化碳和水反应以获得二羧酸,其中步骤(a)和(b)在催化剂体系存在下进行,所述催化剂体系包括钯源, 阴离子和二齿膦配体,并且其中在步骤(a)中,水浓度保持在0.001至小于3重量%的水的范围内,以液体反应介质的总重计算,并且其中在步骤 (b)根据液体反应介质的总重量,水浓度保持在3重量%至50重量%的水的范围内。
    • 3. 发明申请
    • Process for the Carbonylation of a Conjugated Diene
    • 共轭二烯的羰基化方法
    • US20080269433A1
    • 2008-10-30
    • US11884107
    • 2006-02-10
    • Eit DrentRene ErnstWillem Wabe JagerCornelia Alida KromTimothy Michael Nisbet
    • Eit DrentRene ErnstWillem Wabe JagerCornelia Alida KromTimothy Michael Nisbet
    • C08F2/60
    • C07C51/14C07C57/03
    • 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).
    • 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)。
    • 4. 发明申请
    • Process for the Carbonylation of a Conjugated Diene to a Dicarboxylic Acid
    • 共轭二烯羰基化成二羧酸的方法
    • US20080269520A1
    • 2008-10-30
    • US11884103
    • 2006-02-10
    • Eit DrentRene ErnstWillem Wabe JagerCornelia Alida KromTimothy Michael Nisbet
    • Eit DrentRene ErnstWillem Wabe JagerCornelia Alida KromTimothy Michael Nisbet
    • C07C51/14
    • C07C51/14C07C55/14
    • 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.
    • 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)在包含钯源,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。
    • 8. 发明申请
    • Catalytic trimerization of olefinic monomers
    • 烯烃单体的催化三聚
    • US20050113622A1
    • 2005-05-26
    • US10959561
    • 2004-10-06
    • Eit DrentRene Ernst
    • Eit DrentRene Ernst
    • B01J31/14B01J31/24C07C2/36C07C2/24B01J31/00
    • B01J31/2409B01J31/143B01J2231/20B01J2531/62B01J2531/64B01J2531/66C07C2/36C07C2531/34C07C11/107
    • A catalyst composition suitable for the trimerization of olefinic monomers, wherein the catalyst composition comprises: a) a source of chromium, molybdenum or tungsten; b) a ligand of general formula (I); (R1)(R2)P—X—P(R3)(R4)   (I) wherein: X is a bivalent organic bridging group; R1 and R3 are independently selected from, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl and substituted heterohydrocarbyl groups, with the proviso that when R1 and R3 are cycloaromatic groups they do not contain a polar substituent at any of the ortho-positions; R2 and R4 are independently selected from optionally substituted cycloaromatic groups, each R2 and R4 bearing a polar substituent on at least one of the ortho-positions; and c) a cocatalyst. The present invention further relates to a process for the trimerization of olefinic monomers, particularly the trimerization of ethylene to 1-hexene, wherein the process comprises contacting at least one olefinic monomer with the catalyst composition described hereinabove.
    • 一种适用于烯属单体三聚的催化剂组合物,其中催化剂组合物包括:a)铬,钼或钨的来源; b)通式(I)的配体; (R 2)PXP(R&lt; 2&gt; 2)PXP(R) (R 4)(I)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中:X是二价有机桥接 组; R 1和R 3独立地选自烃基,取代的烃基,杂烃基和取代的杂烃基,条件是当R 1和 R 3是环芳基,它们在任何邻位不含极性取代基; R 2和R 4独立地选自任选取代的环芳族基团,每个R 2和R 4都带有一个 在至少一个邻位上的极性取代基; 和c)助催化剂。 本发明进一步涉及烯烃单体三聚的方法,特别是乙烯对1-己烯的三聚反应,其中该方法包括使至少一种烯属单体与上述催化剂组合物接触。