CAS: 645-62-5; 2-Ethylhex-2-Enal

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CAS号75-07-0 乙醛 | CAS号123-72-8 正丁醛 | CAS号110-62-3 正戊醛 | CAS号496-03-7 2-ethyl-3-hydro... | CAS号67-64-1 丙酮 | CAS号2562-37-0 1-硝基环己烯 | CAS号120-14-9 藜芦醛； 3,4-二甲氧基苯甲醛 | CAS号266683-59-4 2-bromo-1,1-dim... | CAS号292638-85-8 丙烯酸甲酯 | CAS号104-75-6 2-乙基己胺 | CAS号104-76-7 2-乙基己醇 | CAS号107-92-6 正丁酸 | CAS号71-36-3 正丁醇 | CAS号123-05-7 2-乙基已基醛 | CAS号142-82-5 正庚烷 | CAS号50639-00-4 2-乙基己-2-烯醇 | CAS号38384-38-2 2-ethyl-hex-2-e... | CAS号38384-39-3 (Z)-2-Ethylhex-... | CAS号104-90-5 2-甲基-5-乙基吡啶

2-乙基-3-羟基己醛置于amberlist 15体系中,化学反应生成 2-乙基-2-己烯醛
参考文献:The Continuous Self Aldol Condensation Of Propionaldehyde In Supercritical Carbon Dioxide: A Highly Selective Catalytic Route To 2-Methylpentenal
标题:The Continuous Self Aldol Condensation Of Propionaldehyde In Supercritical Carbon Dioxide: A Highly Selective Catalytic Route To 2-Methylpentenal
摘要:丙醛和丁醛的醇醛反应已在超临界二氧化碳(scco2)中使用自动化连续流反应器进行研究.研究发现,该反应在多种异相酸性和碱性催化剂的作用下进行,且与使用纯反应物相比,选择性有所提高.
DOI:10.1039/b819687G

专利信息

专利号:US-9822053-B2
优先权日:2016-01-28
标题:Single step conversion of N-butyraldehyde to 2-ethylhexanal
发明人：BOPPANA Venkata Bharat; HAMPTON JR KENNETH WAYNE; LIU ZHUFANG; SUMNER JR CHARLES EDWAN; TUSTIN GERALD C; STEINMETZ GUY RALPH; STEFFEY MELISSA PAGE
权利人:EASTMAN CHEM CO
摘要:Disclosed is a method of making and using a titania supported palladium catalyst for the single step synthesis of 2-ethylhexanal from a feed of n-butyraldehyde. This titania supported palladium catalyst demonstrates high n-butyraldehyde conversion but also produces 2-ethylhexanal in an appreciable yield with maintained activity between runs. This method provides a single step synthesis of 2-ethylhexanal from n-butyraldehyde with a catalyst that can be regenerated that provides cleaner downstream separations relative to the traditional caustic route.

专利号:EP-2986376-A1
优先权日:2013-04-19
标题:Immobilized catalytically active composition for hydroformylation of olefin-containing mixtures
发明人：DYBALLA KATRIN MARIE; FRANKE ROBERT; HAHN HANNA; BECKER MARC; SCHÖNWEIZ ANDREAS; DEBUSCHEWITZ JONAS; WALTER SIMON; WÖLFEL RENÉ; HAUMANN MARCO; WASSERSCHEID PETER; KAFTAN ANDRE; LAURIN MATHIAS; LIBUDA JÖRG
权利人:EVONIK DEGUSSA GMBH
摘要:The present invention provides a composition, and for the use of this composition as a catalytically active composition in processes for synthesis of chemical compounds, especially for hydroformylation of olefinically unsaturated hydrocarbon mixtures. Preferably, the composition comprises a metal complex, especially an Rh complex having a phosphine or phosphite ligand, on an inert porous carrier, and is loaded for the purposes of the hydroformylation with the aldol by-product of the desired aldehyde, in the manner of an application of the 'Supported Liquid Phase' (SLP) concept.

专利号:US-4292452-A
优先权日:1978-02-01
标 题:Rhodium-catalyzed hydrogenation of unsaturated aldehydes to unsaturated alcohols
发明人：LEE RICHARD J; MEYER DELBERT H; SENNEKE DARRELL M
权利人:STANDARD OIL CO INDIANA
摘要:Process for selective hydrogenation of aliphatic unsaturated aldehyde to unsaturated alcohol with gaseous hydrogen using supported rhodium-complex catalyst. This invention relates to a process for preparing unsaturated aliphatic alcohols wherein unsaturated aliphatic aldehydes are selectively hydrogenated using supported rhodium-complex catalyst. Unsaturated alcohols have use in the production of plastics and perfumes. Crotonyl alcohol, for example, has utility for the production of copolymers with vinyl acetate or styrene, and also as an intermediate for synthesis of other organic compounds. Allyl alcohol is a precursor for butanediol which is used to produce tetrahydrofuran, polyesters such as polybutylene terephthalate, and polybutylene oxide based polyurethanes. Particular difficulty in selectively hydrogenating alpha, beta unsaturated aldehydes is described in U.S. Pat. No. 3,655,777 (Rylander et al., 1972, assigned to Engelhard Minerals and Chemicals) wherein patentees teach many catalysts, e.g., palladium, platinum, rhodium, ruthenium, and nickel, usually reduce the double bond in preference over reduction of the carbonyl group. Rylander also teaches a high pressure process to obtain unsaturated alcohols using an osmium catalyst.

专利号:US-2016068459-A1
优先权日:2013-04-19
标题 :Immobilized catalytically active composition for hydroformylation of olefin-containing mixtures
发明人：DYBALLA KATRIN MARIE; FRANKE ROBERT; HAHN HANNA; BECKER MARC; SCHOENWEIZ ANDREAS; DEBUSCHEWITZ JONAS; WALTER SIMON; WOELFEL RENE; HAUMANN MARCO; WASSERSCHEID PETER; KAFTAN ANDRE; LAURIN MATHIAS; LIBUDA JOERG
权利人:EVONIK DEGUSSA GMBH
摘要:A composition and the use of said composition as catalytically active composition in processes for synthesis of chemical compounds, especially the hydroformylation of olefinically unsaturated hydrocarbon mixtures.

专利号:US-6235910-B1
优先权日:1998-09-22
标题:Process for the preparation of imidazolidine-2, 4-diones
发明人：BELLER MATTHIAS; ECKERT MARKUS; MORADI WAHED
权利人:DEGUSSA
摘要:A process for the preparation of compounds of the general formula (I)by reacting an aldehyde compound of the general formula (II)with a urea compound of the general formula (III)in the presence of carbon monoxide and a catalytically active metal compound. Compounds of the general formula (I) are important intermediates for the synthesis of alpha-amino acids.

专利号:WO-2009002276-A1
优先权日:2007-06-28
标 题 :PROCESS FOR ALDOL CONDENSATION FOR PREPARATION OF α,β-UNSATURATED ALDEHYDE OR KETONE AND APPLICATION THEREOF IN SYNTHESIS OF SUBSTITUTED PYRROLE OR ARYLATION OF α,β-UNSATURATED ENAL
发明人：ZHANG YUGEN; YING JACKIE Y
权利人:AGENCY SCIENCE TECH & RES; ZHANG YUGEN; YING JACKIE Y
摘要:A process for aldol condensation is provided. The process involves mixing of an α-unsubstituted aldehyde or ketone with another aldehyde or ketone under dry reaction conditions in the presence of an organocatalyst. The process for aldol condensation may be used for domino reactions, including the preparation of substituted pyrroles and the arylation of α,β-unsaturated enals.