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公开(公告)号：US4430273A
公开(公告)日：1984-02-07
申请号：US366344
申请日：1982-04-07
IPC分类号： C07C53/12 , B01J31/00 , C07B61/00 , C07C51/00 , C07C51/54 , C07C51/56 , C07C67/00 , C07C51/12
摘要： The invention provides a process for making acetic anhydride, wherein methyl acetate and/or dimethylether is (are) reacted with carbon monoxide under substantially anhydrous conditions, at temperatures of 350 to 575 K and under pressures of 1 to 300 bars in the presence of a catalyst system comprised of noble metals belonging to group VIII of the periodic system of the elements, or their compounds and iodine and/or its compounds. More specifically, an aliphatic carboxylic acid with 1 to 8 carbon atoms and at least one heterocyclic aromatic compound, in which at least one hetero atom is a quaternary nitrogen atom are used as promoters.
摘要翻译： 本发明提供一种制备乙酸酐的方法，其中乙酸甲酯和/或二甲醚在基本上无水条件下，在一氧化碳条件下，在350-575K的温度和1-300巴的压力下，在 催化剂体系由属于元素周期系的第VIII族的贵金属或其化合物和碘和/或其化合物组成。 更具体地，使用具有1至8个碳原子的脂族羧酸和至少一个杂环芳族化合物，其中至少一个杂原子是季氮原子作为启动子。
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公开(公告)号：US4319038A
公开(公告)日：1982-03-09
申请号：US195480
申请日：1980-10-09
IPC分类号： C07C67/36 , B01J23/32 , B01J23/46 , B01J31/00 , C07B61/00 , C07C27/00 , C07C67/00 , C07C67/293 , C07C67/37 , C07C69/16
摘要： The invention relates to an improved process for making 1,1-diacetoxyethane by reacting methyl acetate and/or dimethylether with carbon monoxide and hydrogen under practically anhydrous conditions, at temperatures of 350.degree. to 575.degree. K., under pressures of 1 to 300 bars, and in the presence of a catalyst system containing noble metals belonging to group VIII of the periodic system of the elements, or compounds thereof, and iodine and/or its compounds. The improved process is effected in the presence of a catalyst system containing, as additional ingredients, an aliphatic carboxylic acid having 1 to 8 carbon atoms, a heterocyclic aromatic compound, in which at least one hetero atom is a quaternary nitrogen atom, and a manganese or rhenium compound.
摘要翻译： 本发明涉及通过使甲基乙酸酯和/或二甲醚与一氧化碳和氢气在几乎无水的条件下，在350〜575℃的温度下，在1〜300巴的压力下进行制备的改进方法 并且在含有属于元素的周期性体系的VIII族的贵金属或其化合物的催化剂体系的存在下，以及碘和/或其化合物。 改进的方法在含有作为附加成分的含有1至8个碳原子的脂肪族羧酸的催化剂体系存在下进行，其中至少一个杂原子是季氮原子的杂环芳族化合物和锰 或铼化合物。
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3.发明授权Process for separating the catalyst system from the reaction mixtures of carbonylation reactions 失效将催化剂体系与羰基化反应的反应混合物分离的方法
公开(公告)号：US4549937A
公开(公告)日：1985-10-29
申请号：US442107
申请日：1982-11-16
IPC分类号： C07C69/34 , B01J31/00 , C07C51/00 , C07C51/573 , C07C53/12 , C07C67/00 , C07C67/54 , C07C69/16 , B01D3/06 , C07C51/56
CPC分类号： C07C51/573 , C07C67/54
摘要： The disclosure relates to a process for separating the catalyst system from reaction mixtures which are obtained by reacting methyl acetate and/or dimethylether with carbon monoxide and optionally hydrogen at elevated temperatures to acetic anhydride and optionally ethylidene diacetate in the presence of a catalyst system consisting of carbonyl complexes of noble metals belonging to group VIII of the Periodic System, acetic acid, an organophosphorus or organonitrogen compound, methyl iodide and optionally compounds of carbonyl-yielding common metals, and which issue from the reaction zone under a pressure of 25 to 150 bars at a temperature of 100.degree. to 250.degree. C. More particularly, the reaction mixture coming from the reaction zone is introduced into a separator heated to 60.degree. to 140.degree. C. and released to a pressure of 0.5 to 3.5 bars with spontaneous evaporation of the bulk of volatile constituents; the stream of liquid matter coming from the separator is delivered to a distilling zone and the bulk of still volatile constituents is distilled off therein under a pressure of 0.05 to 1 bar at a base temperature of 70.degree. to 170.degree. C.; and catalyst solution retained as base product is recycled to the reaction zone.
摘要翻译： 本公开涉及一种从反应混合物中分离催化剂体系的方法，其通过使乙酸甲酯和/或二甲醚与一氧化碳和任选的氢气在高温下反应而获得，所述方法是在催化剂体系存在下在高温下在乙酸酐和任选的亚乙基二乙酸酯 属于周期系第VIII族的贵金属的羰基络合物，乙酸，有机磷或有机氮化合物，甲基碘和任选的产生羰基的常见金属的化合物，并且在25至150巴的压力下从反应区发出 更优选地，将来自反应区的反应混合物引入加热至60℃至140℃的隔膜中，并释放至0.5至3.5巴的压力，并自发蒸发 大部分挥发性成分; 来自分离器的液体物流被输送到蒸馏区，并且在基本温度为70至170℃的压力下，在0.05至1巴的压力下蒸馏出大部分挥发性挥发性成分。 将作为基础产物保留的催化剂溶液再循环至反应区。
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公开(公告)号：US4333884A
公开(公告)日：1982-06-08
申请号：US191702
申请日：1980-09-29
IPC分类号： C07C53/12 , B01J27/00 , B01J31/00 , C07B61/00 , C07C51/00 , C07C51/54 , C07C51/56 , C07C67/00
摘要： The invention relates to an improved process for making acetic anhydride by reacting methyl acetate and/or dimethylether with carbon monoxide under practically anhydrous conditions, at temperatures of 350 to 575 K., under pressures of 1 to 300 bars, and in the presence of a catalyst system containing noble metals belonging to group VIII of the periodic system of the elements, or compounds thereof, iodine and/or its compounds, and an aliphatic carboxylic acid having 1 to 8 carbon atoms. The improved process is effected in the presence of a catalyst system containing, as additional ingredients, a heterocyclic aromatic compound, in which at least one hetero atom is a quaternary nitrogen atom, or a quaternary organophosphorus compound, and a zirconium compound being soluble in the reaction mixture.
摘要翻译： 本发明涉及通过使甲酸乙酯和/或二甲基醚与一氧化碳在几乎无水的条件下在350至575K的温度下在1-300巴的压力下反应制备乙酸酐的改进方法，并且在 含有属于元素周期系的VIII族的贵金属或其化合物，碘和/或其化合物以及具有1至8个碳原子的脂族羧酸的催化剂体系。 改进的方法是在催化剂体系存在下进行的，所述催化剂体系含有作为附加成分的杂环芳族化合物，其中至少一个杂原子是季氮原子，或季有机磷化合物，和锆化合物可溶于 反应混合物。
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公开(公告)号：US4280010A
公开(公告)日：1981-07-21
申请号：US66511
申请日：1979-08-14
CPC分类号： C07C67/08 , C07C67/54 , Y02P20/584
摘要： Alkyl acrylates free from ether are made continuously by reacting acrylic acid with a C.sub.1 -C.sub.4 -alkanol, in a molar ratio of 1:1 to 1:2, in liquid phase, at 80.degree. to 130.degree. C., under 100 to 760 mm Hg, in the presence of an acid catalyst.
摘要翻译： 不含醚的丙烯酸烷基酯通过丙烯酸与C1-C4链烷醇以摩尔比1：1至1：2在液相中，在80至130℃，100至760 mm Hg，在酸催化剂存在下。
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公开(公告)号：US4892971A
公开(公告)日：1990-01-09
申请号：US257715
申请日：1988-10-14
IPC分类号： C07C231/00 , B01J23/44 , C07B61/00 , C07C67/00 , C07C231/12 , C07C231/14 , C07C233/47 , C07C237/00
CPC分类号： C07C237/00
摘要： In the process for the preparation of N-acetylphenylalanine by opening the ring of 2-methyl-4-benzylidene-1,3-oxazolin-5-one with water to give 2-acetaminocinnamic acid and subsequently catalytically hydrogenating the latter, both reaction stages are carried out in a mixture of an aliphatic C.sub.3 -ketone to C.sub.10 -ketone or a water-miscible ether and water as the solvent, and the hydrogenation of the 2-acetaminocinnamic acid is carried out at temperatures of 10.degree. to 50.degree. C. and pressures of 1 to 15 bar in the presence of a supported palladium catalyst.
摘要翻译： 在通过用水打开2-甲基-4-亚苄基-1,3-恶唑啉-5-酮的环以制备N-乙酰基苯丙氨酸的方法中，得到2-乙酰氨基肉桂酸，随后催化氢化后者，两个反应阶段 在脂肪族C 3-酮与C 10 - 酮或水混溶性醚和水作为溶剂的混合物中进行，2-乙酰氨基肉豆蔻酸的氢化在10〜50℃的温度下进行。 和在负载的钯催化剂存在下，压力为1至15巴。
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7.发明授权Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether 失效用于纯化和回收在乙酸甲酯和/或二甲醚的羰基化中获得的污染的催化剂溶液的方法
公开(公告)号：US4556644A
公开(公告)日：1985-12-03
申请号：US405070
申请日：1982-08-04
申请人： Heinz Erpenbach , Klaus Gehrmann , Winfried Lork , Peter Prinz
发明人： Heinz Erpenbach , Klaus Gehrmann , Winfried Lork , Peter Prinz
IPC分类号： C07C67/37 , B01J31/40 , B01J38/00 , C07C27/00 , C07C51/00 , C07C51/12 , C07C51/48 , C07C51/573 , C07C53/08 , C07C53/12 , C07C67/00 , C07C69/16 , C07C51/54 , C07C51/56
CPC分类号： B01J31/0268 , B01J31/0239 , B01J31/20 , B01J31/4038 , B01J31/4046 , C07C51/48 , C07C51/573 , C07C67/36 , C07C67/37 , C07C67/54 , B01J2231/34 , B01J2531/82 , B01J2531/822 , B01J2531/824 , Y02P20/584
摘要： The disclosure relates to a process for purifying and recovering a contaminated catalyst solution which is obtained in the carbonylation of methyl acetate and/or dimethylether, the catalyst solution containing carbonyl complexes of noble metals of group VIII of the Periodic System of the elements, quaternary heterocyclic aromatic nitrogen compounds or quaternary organophosphorus compounds as organic promoters, and optionally compounds of carbonyl-yielding common metals as inorganic promoters, undistillable organic contaminants as well as acetic acid, acetic anhydride and ethylidene diacetate. To this end, the disclosure provides for the catalyst solution to be distillatively freed from its volatile constituents and for the remaining solid distillation residue to be freed from the organic contaminants by extraction with aliphatic ethers; and for the remaining undissolved mixture of noble metal/carbonyl-complex, organic and optionally inorganic promoters to be filtered off and recycled into the carbonylation reaction.
摘要翻译： 本公开涉及一种净化和回收在乙酸甲酯和/或二甲醚的羰基化中获得的污染的催化剂溶液的方法，所述催化剂溶液含有元素周期系的VIII族贵金属的羰基络合物，四元杂环 芳族氮化合物或季有机磷化合物作为有机促进剂，以及任选的产生羰基的常见金属作为无机助催化剂，不可挥发的有机污染物以及乙酸，乙酸酐和亚乙基二乙酸酯的化合物。 为此，本公开内容提供了催化剂溶液从其挥发性成分中蒸馏除去，并且剩余的固体蒸馏残余物通过用脂族醚萃取除去有机污染物; 并且对于剩余的未溶解的贵金属/羰基络合物的混合物，有机和任选的无机助催化剂被滤出并再循环到羰基化反应中。
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8.发明授权Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether 失效用于纯化和回收在乙酸甲酯和/或二甲醚的羰基化中获得的污染的催化剂溶液的方法
公开(公告)号：US4440570A
公开(公告)日：1984-04-03
申请号：US402961
申请日：1982-07-29
申请人： Heinz Erpenbach , Klaus Gehrmann , Winfried Lork , Peter Prinz
发明人： Heinz Erpenbach , Klaus Gehrmann , Winfried Lork , Peter Prinz
IPC分类号： C07C67/37 , B01J31/40 , B01J38/00 , C07B61/00 , C07C27/00 , C07C51/00 , C07C51/12 , C07C51/42 , C07C51/573 , C07C53/08 , C07C53/12 , C07C67/00 , C07C69/16 , C22B11/00 , C01G55/00 , C07D213/06 , C07F9/54
CPC分类号： B01J31/4046 , B01J31/0239 , B01J31/0268 , B01J31/20 , B01J31/4038 , B01J31/4092 , C07C51/42 , C07C51/573 , B01J2231/34 , B01J2531/82 , B01J2531/822 , B01J2531/824 , Y02P20/584
摘要： The disclosure relates to a process for purifying and recovering a contaminated catalyst solution which is obtained in the carbonylation of methyl acetate and/or dimethylether, the catalyst solution containing carbonyl complexes of noble metals of group VIII of the Periodic System of the elements, quaternary heterocyclic aromatic nitrogen compounds or quaternary organophosphorus compounds as organic promoters, undistillable organic contaminants as well as acetic acid, acetic anhydride and ethylidene diacetate. To this end, the disclosure provides for the catalyst solution to be distillatively freed from its volatile constituents and for the remaining solid distillation residue to be water-treated, the noble metal/carbonyl-complex being precipitated together with the organic contaminants and the organic promoter becoming dissolved; for the precipitated and contaminated noble metal/carbonyl-complex to be removed by filtration and for the noble metal to be recovered terefrom in known fashion; for the organic promoter to be recovered by evaporating the water or extracting it with halogenated hydrocarbons and for these latter to be evaporated.
摘要翻译： 本公开涉及一种净化和回收在乙酸甲酯和/或二甲醚的羰基化中获得的污染的催化剂溶液的方法，所述催化剂溶液含有元素周期系的VIII族贵金属的羰基络合物，四元杂环 芳族氮化合物或季有机磷化合物作为有机促进剂，不可否认的有机污染物以及乙酸，乙酸酐和亚乙基二乙酸酯。 为此，本公开内容提供催化剂溶液可蒸馏除去其挥发性成分，并且剩余的固体蒸馏残余物被水处理，贵金属/羰基络合物与有机污染物和有机促进剂一起沉淀 变得溶解 通过过滤除去沉淀和污染的贵金属/羰基络合物，以及以已知方式回收的贵金属; 通过蒸发水或用卤代烃提取有机助催化剂并使其后者被蒸发而回收。
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公开(公告)号：US4351972A
公开(公告)日：1982-09-28
申请号：US296328
申请日：1981-08-26
IPC分类号： C07C17/00 , B01J31/00 , C07B61/00 , C07C17/093 , C07C17/363 , C07C19/07 , C07C51/00 , C07C51/09 , C07C67/00 , C07C19/02
CPC分类号： C07C17/093
摘要： The invention relates to the production of anhydrous alkyl iodides. To this end, carboxylic acid alkyl esters of the formula R.sup.1 COOR.sup.2, in which R.sup.1 stands for hydrogen or an alkyl or aryl radical having from 1 to 8 carbon atoms and R.sup.2 stands for an alkyl group having from 1 to 4 carbon atoms, are reacted with iodine and hydrogen and optionally with carbon monoxide in the presence of compounds of noble metals comprised of rhodium, iridium, palladium or ruthenium as catalyst, and of a heterocyclic aromatic compound, in which at least one hetero atom is a quaternary nitrogen atom, or of a quaternary organophosphorus compound as a promoter, and optionally also in the presence of a carboxylic acid having from 1 to 8 carbon atoms and/or its anhydrides. The reaction is effected under practically anhydrous conditions at temperatures of from 350 to 420 K. and under a total pressure of up to 30 bars.
摘要翻译： 本发明涉及无水烷基碘化物的生产。 为此，式R1COOR2的羧酸烷基酯（其中R1代表氢或具有1至8个碳原子的烷基或芳基，R2代表具有1至4个碳原子的烷基）与 碘和氢，以及任选地与一氧化碳在由铑，铱，钯或钌作为催化剂组成的贵金属的化合物和杂环芳族化合物存在下，其中至少一个杂原子是季氮原子，或 作为促进剂的季有机磷化合物，以及任选地还可以在具有1至8个碳原子的羧酸和/或其酸酐存在下进行。 反应在几乎无水条件下在350至420K的温度下进行，总压力高达30巴。
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公开(公告)号：US4308175A
公开(公告)日：1981-12-29
申请号：US93896
申请日：1979-11-13
申请人： Heinz Erpenbach , Klaus Gehrmann , Herbert Joest
发明人： Heinz Erpenbach , Klaus Gehrmann , Herbert Joest
IPC分类号： B01J23/30 , B01J37/02 , C07B61/00 , C07C1/00 , C07C5/333 , C07C5/48 , C07C15/44 , C07C15/46 , C07C67/00 , B01J29/00 , B01J23/16 , C07C2/64 , C07C4/06
摘要： The invention relates to a carrier-supported catalyst comprising oxides of chromium and tungsten and at least one of the oxides of molybdenum and potassium in the atomic ratio of Cr.sub.1 W.sub.0.1-0.5 Mo.sub.0-0.05 K.sub.0-0.5 on a porous carrier material, and to a process for making it. To this end, the process provides(a) for a dry porous carrier material to be saturated with water up to 40 to 80% of its predetermined saturation value;(b) for the carrier material treated as under (a) to be impregnated in any sequential order, but at least once with an aqueous solution of water-soluble compounds of chromium and, if desired, potassium, and sequentially, but at least once with a separately produced aqueous solution of a water-soluble compound of tungsten and, if desired, molybdenum, the aqueous solutions being used in either case in a quantity which is at most necessary for complete saturation;(c) for the carrier material to be dried after each impregnation over a period of 2 to 20 hours at 350 to 500 K, and(d) for the carrier material to be sintered over a period of 0.5 to 12 hours at 550 to 1000 K, in a stream of air.The carrier-supported catalyst finds use in the production of styrene by subjecting ethylbenzene to oxidative dehydrogenation with molecular oxygen in gas phase.
摘要翻译： 本发明涉及一种载体负载型催化剂，其包含铬和钨的氧化物和至少一种以多孔载体材料的Cr1W0.1-0.5Mo0-0.05K0-0.5的原子比的钼和钾的氧化物，并且 一个制作它的过程。 为此，该方法（a）使干燥的多孔载体材料饱和至多达其预定饱和值的40至80％的水; （b）对于根据（a）处理的载体材料，以任何顺序浸渍，但至少一次用水溶性的铬的水溶液和如果需要的话，钾依次但是至少一次 与单独生产的钨水溶性化合物的水溶液，如果需要，钼，水溶液在任一种情况下以完全饱和度最为必要的量使用; （c）在350〜500K下经过2〜20小时的浸渍后的载体材料进行干燥，（d）将载体材料在550〜1000℃下进行0.5〜12小时的烧结 K，在空气流中。 载体负载催化剂用于生产苯乙烯，通过使乙苯在气相中用分子氧进行氧化脱氢。
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