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公开(公告)号：US4515984A
公开(公告)日：1985-05-07
申请号：US419898
申请日：1982-09-20
Applicant: Moustafa El-Chahawi
Inventor： Moustafa El-Chahawi
IPC: C07C67/313 , C07C69/67 , C07C67/36
CPC classification number: C07C67/343
Abstract: A process is described for the preparation of an alkali metal formyl acetic acid alkyl ester by reaction of acetic acid alkyl ester, an alkali-metal alcoholate and carbon monoxide at elevated pressure and elevated temperature, the improvement wherein an excess of acetic acid alkyl ester referred to the alkali-metal alcoholate is employed and the reaction is carried out in the absence of a solvent.
Abstract translation: 描述了通过在升高的压力和升高的温度下通过乙酸烷基酯，碱金属醇化物和一氧化碳的反应来制备碱金属甲酰基乙酸烷基酯的方法，其中改进是指过量的乙酸烷基酯 使用碱金属醇化物，反应在不存在溶剂的情况下进行。
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公开(公告)号：US4424375A
公开(公告)日：1984-01-03
申请号：US274108
申请日：1981-06-16
Applicant: Moustafa El-Chahawi , Uwe Prange , Hermann Richtzenhain , Wilhelm Vogt
Inventor： Moustafa El-Chahawi , Uwe Prange , Hermann Richtzenhain , Wilhelm Vogt
IPC: C07C67/36 , B01F5/10 , B01J10/00 , C02F1/00 , C07C27/00 , C07C51/00 , C07C51/10 , C07C51/12 , C07C67/00 , C07C69/00 , C07C69/76
CPC classification number: C07C51/10
Abstract: Improvement in the process of producing carboxylic acid esters or salts involving contacting a halogen alkyl compound with carbon monoxide and a basic substance in the presence of a carbonylation catalyst for carbonylation of the halogen alkyl and production of the corresponding ester or salt of the basic substance. The improvement involves performing the contacting in a reaction vessel, circulating a liquid mass of the halogen alkyl, basic substance and carbonylation catalyst through the vessel and maintaining a carbon monoxide atmosphere in the vessel, injecting the circulating liquid mass into the vessel with a nozzle to spray the liquid mass into the vessel and intimately mixing the liquid mass with carbon monoxide in the nozzle for injection of carbon monoxide into the vessel with the sprayed liquid mass.
Abstract translation: 包括在羰基化羰基化催化剂存在下将卤代烷基化合物与一氧化碳和碱性物质接触的羧酸酯或盐的改进，用于羰基化卤代烷基和生成碱性物质的相应酯或盐。 改进包括在反应容器中进行接触，使卤素烷基，碱性物质和羰基化催化剂的液体物质通过容器循环并保持容器中的一氧化碳气氛，将循环液体物质用喷嘴注入容器 将液体物质喷射到容器中，并将液体物质与喷嘴中的一氧化碳充分混合，用喷射的液体物质将一氧化碳注射到容器中。
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公开(公告)号：US4376866A
公开(公告)日：1983-03-15
申请号：US343029
申请日：1982-01-27
Applicant: Fritz Englaender , Moustafa El-Chahawi , Wilhelm Vogt
Inventor： Fritz Englaender , Moustafa El-Chahawi , Wilhelm Vogt
CPC classification number: C07C69/732
Abstract: New process for making esters of .alpha.-hydroxymethylene arylacetic acid from the corresponding arylacetic acid ester by conversion with an alkali alcoholate and carbon monoxide. The resulting hydroxy methylene compound can be obtained from the resulting alkali salt by release with an acid.
Abstract translation: 通过碱金属醇盐和一氧化碳转化，由相应的芳基乙酸酯制备α-羟基亚甲基芳基乙酸酯的新方法。 得到的羟基亚甲基化合物可以通过用酸释放从得到的碱金属盐得到。
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公开(公告)号：US4447644A
公开(公告)日：1984-05-08
申请号：US381133
申请日：1982-05-24
Applicant: Moustafa El-Chahawi
Inventor： Moustafa El-Chahawi
CPC classification number: C07C51/10
Abstract: A method for the preparation of optionally substituted arylpyruvic acids by reaction of optionally substituted arylmethylhalides with carbon monoxide in the presence of a metal carbonyl compound and a base is disclosed wherein the base is an alkali metal hydroxide, the process is carried out at a temperature of -10.degree. to +70.degree. C. in the presence of an alcohol or cyclic ether.
Abstract translation: 公开了一种通过任选取代的芳基甲酰卤与羰基化合物和碱的存在下的一氧化碳反应来制备任选取代的芳基丙酮酸的方法，其中碱是碱金属氢氧化物，该方法在 -10℃至+ 70℃，在醇或环醚存在下进行。
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公开(公告)号：US4443624A
公开(公告)日：1984-04-17
申请号：US365818
申请日：1982-04-05
Applicant: Uwe Prange , Moustafa El Chahawi , Wilhelm Vogt , Hermann Richtzenbain
Inventor： Uwe Prange , Moustafa El Chahawi , Wilhelm Vogt , Hermann Richtzenbain
CPC classification number: C07C69/38
Abstract: Production of malonic acid dialkyl esters by reacting halogen acetic acid alkyl ester with carbon monoxide, and alkali metal alcoholate, alkaline earth metal alcoholate or a solution of alkali metal hydroxide in an alcohol at a pH of up to 8.5 in the presence of a cobalt compound which is a catalyst for the reaction.
Abstract translation: 通过卤代乙酸烷基酯与一氧化碳和碱金属醇盐，碱土金属醇化物或碱金属氢氧化物在醇中的溶液中，在钴化合物的存在下，在高达8.5的pH下反应制备丙二酸二烷基酯 这是反应的催化剂。
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Patent Agency Ranking
公开(公告)号：US3980697A
公开(公告)日：1976-09-14
申请号：US544022
申请日：1975-01-24
Applicant: Moustafa El-Chahawi , Uwe Prange , Hermann Richtzenheim , Wilhelm Vogt
Inventor： Moustafa El-Chahawi , Uwe Prange , Hermann Richtzenheim , Wilhelm Vogt
CPC classification number: C07C69/708
Abstract: Butyric acid esters of the formula: ##EQU1## wherein each R is alkyl, alkyl having an alkoxy substituent, or cycloalkyl, and the R's are the same. The esters are prepared by contacting an allyl halide with carbon monoxide, an alcohol of the formula ROH wherein R is as above, and an alkali alcoholate of the same alcohol, in the presence of a catalyst for the reaction at a pH of 10-14. The esters are useful as solvents for polymers and as plasticizers.
Abstract translation: 下式的丁酸酯：HO | H3C-C-CH2-C ANGLE | OROR，其中每个R是烷基，具有烷氧基取代基的烷基或环烷基，R是相同的。 通过使烯丙基卤化物与一氧化碳，其中R如上所述的式ROH的醇和相同醇的碱性醇化物在10-14的pH下在反应催化剂存在下，使烯丙基卤与 。 这些酯可用作聚合物和增塑剂的溶剂。
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公开(公告)号：US4772711A
公开(公告)日：1988-09-20
申请号：US898139
申请日：1986-08-19
Applicant: Fritz Englaender , Moustafa El-chahawi , Wilhelm Vogt
Inventor： Fritz Englaender , Moustafa El-chahawi , Wilhelm Vogt
IPC: C07D295/14 , C07C67/00 , C07C227/00 , C07C227/08 , C07C229/30 , C07C229/34 , C07D295/10 , C07C57/04
CPC classification number: C07C227/08
Abstract: Disclosed is a method for the preparation of 3-aminoacrylic acid esters by the addition of a beta-hydroxyacrylic acid esters to an aqueous solution of an amine salt.
Abstract translation: 公开了通过向胺盐的水溶液中加入β-羟基丙烯酸酯制备3-氨基丙烯酸酯的方法。
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公开(公告)号：US4699999A
公开(公告)日：1987-10-13
申请号：US894733
申请日：1986-08-08
Applicant: Moustafa El-Chahawi , Gunter Meyer
Inventor： Moustafa El-Chahawi , Gunter Meyer
IPC: C07B61/00 , B01J31/00 , B01J31/20 , C07C67/00 , C07C231/00 , C07C233/47 , C07C99/12
CPC classification number: C07C231/24
Abstract: From reaction solutions of carboxylic acids prepared by carbonylation with the aid of cobalt carbonyl catalysts, the cobalt of the catalyst is precipitated by the addition of at least equivalent amounts of monocarboxylic or dicarboxylic acids and neutralization with alkaline agents, in the form of a cobalt(II) salt of the added acid, and the carboxylic acid is completely recovered from the reaction solution by acidification.
Abstract translation: 通过羰基化羰基化羰基催化剂制备的羧酸反应溶液，催化剂的钴通过加入至少等量的一元羧酸或二羧酸并用碱性试剂中和（以钴的形式） II）加入的酸的盐，并且通过酸化从反应溶液中完全回收羧酸。
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公开(公告)号：US4399300A
公开(公告)日：1983-08-16
申请号：US260444
申请日：1981-05-04
Applicant: Uwe Prange , Moustafa El Chahawi , Wilhelm Vogt , Hermann Richtzenhain
Inventor： Uwe Prange , Moustafa El Chahawi , Wilhelm Vogt , Hermann Richtzenhain
CPC classification number: C07C69/38
Abstract: Production of malonic acid dialkyl esters by reacting halogen acetic acid alkyl ester with carbon monoxide, and alkali alcoholate, alkali earth alcoholate or a solution of alkali hydroxide in an alcohol at a pH of up to 8.5 in the presence of a cobalt compound which is a catalyst for the reaction.
Abstract translation: 通过使卤代乙酸烷基酯与一氧化碳反应制备丙二酸二烷基酯，和碱金属醇盐，碱土金属醇盐或碱金属氢氧化物在醇中的溶液中，在钴的化合物 催化剂用于反应。
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公开(公告)号：US4234545A
公开(公告)日：1980-11-18
申请号：US947904
申请日：1978-10-02
Applicant: Moustafa El-Chahawi , Uwe Prange
Inventor： Moustafa El-Chahawi , Uwe Prange
CPC classification number: B01J31/403 , B01J23/94 , B01J31/20 , C01G51/04 , B01J2231/34 , B01J2531/0211 , B01J2531/845 , Y02P20/584
Abstract: A process for the recovery of cobalt from residues and/or wastes containing the same by converting the cobalt to cobalt oxide. Disclosed herein is a process for recovering cobalt values from cobalt-containing residues by heating the cobalt in the presence of air to form cobalt oxide which can be separated readily from water-soluble salts which may be present therewith.
Abstract translation: 通过将钴转化为氧化钴来从含有该钴的残余物和/或废物中回收钴的方法。 本文公开了一种通过在空气存在下加热钴以形成钴氧化物来从含钴残余物中回收钴值的方法，其可以容易地与可能存在的水溶性盐分离。
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