CAS: 1003-64-1; Ethylidenecyclohexane

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4435-18-1 102633-45-4 4354-73-8

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CAS号695-12-5 乙烯基环己烷 | CAS号760-32-7 二乙基甲基硅烷 | CAS号201230-82-2 carbon monoxide | CAS号2622-21-1 1-vinylcyclohexene | CAS号5664-20-0 CYCLOHEXYLACETYLENE | CAS号292638-84-7 phenylene-ethylene | CAS号1193-81-3 1-环己基乙醇 | CAS号5452-75-5 环已乙酸乙酯 | CAS号108-94-1 环己酮 | CAS号75-07-0 乙醛 | CAS号4442-79-9 2-环己基乙醇 | CAS号932-66-1 1-乙酰基-1-环己烯 | CAS号1756-33-8 N-[1-(1-cyclohe... | CAS号1453-24-3 1-乙基环己烯 | CAS号124-04-9 己二酸 | CAS号769-58-4 3-(cyclohexen-1... | CAS号88738-95-8 1-(2-bromoethox... | CAS号88739-01-9 1-ethenoxy-1-et...

📜3-Methyl-1-Oxaspiro<3.5>Nonan-2-One置于silica Gel体系中,用90%的收率获得亚乙基环己烷
参考文献:A Practical And Efficient Method For The Synthesis Of .Beta.-Lactones
标题:A Practical And Efficient Method For The Synthesis Of .Beta.-Lactones
摘要:This Paper Describes A Convenient One-Step Preparation Of Beta-Lactones Based On The Addition Of Thiol Ester Enolates To Carbonyl Compounds. Under The Proper Conditions The Resulting Aldolates Undergo Spontaneous Cyclization To Produce Beta-Lactones In Good To Excellent Yield. The New Beta-Lactone Synthesis Provides Access To 2-Oxetanones With A Variety Of Substituents And Substitution Patterns. In General,Thiol Ester Enolates Combine With Carbonyl Compounds To Form The Less Sterically Crowded Beta-Lactone Diastereomers,And In Some Cases The Reaction Proceeds With Excellent Stereoselectivity. In Conjunction With The Stereospecific Decarboxylation Of Beta-Lactones,This Chemistry Also Provides A Very Attractive Approach To The Synthesis Of Substituted Alkenes.
Doi:10.1021/jo00003A047

专利信息

专利号:US-2009137828-A1
优先权日:2005-08-18
标 题 :Synthesis of 1A-Fluoro-25-Hydroxy-16-23E-Diene-26,27-Bishomo-20-Epi-Cholecalciferol
发明人：USKOKOVIC MILAN R; MARCZAK STANISLAW; LOO RALF; VAN DER SLUIS MARCEL; JANKOWSKI PAWEL; MAEHR HUBERT
权利人:BIOXELL SPA
摘要:The invention provides a method of producing 20-methyl vitamin D3 compounds of formula (I). The method includes allylic and olefin oxidation, de-carbonylation, carbonyl reduction, fluoride substitution, epoxide deoxygenation, and Wittig-type couplings.

专利号:US-6610844-B2
优先权日:1996-12-11
标题:Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
发明人：NG JOHN S; LIU CHIN; ANDERSON DENNIS K; LAWSON JON P; WIECZOREK JOSEPH; KUNDA SASTRY A; LETENDRE LEO J; POZZO MARK J; SING YUEN-LUNG L; WANG PING T; YONAN EDWARD E; WEIER RICHARD M; KOWAR THOMAS R; BAEZ JULIO A; ERB BERNHARD
权利人:SEARLE & CO
摘要:Multiple novel reaction schemes, novel process steps and novel intermediates are provided for the synthesis of epoxymexrenone and other compounds of Formula Iwherein-A-A- represents the group -CHR4-CHR5- or -CR4=CR5-;R3, R4 and R5 are independently selected from the group consisting of hydrogen, halo, hydroxy, lower alkyl, lower alkoxy, hydroxyalkyl, alkoxyalkyl, hydroxycarbonyl, cyano and aryloxy;R1 represents an alpha-oriented lower alkoxycarbonyl or hydroxyalkyl radical;-B-B- represents the group -CHR6-CHR7- or an alpha- or beta-oriented group:where R6 and R7 are independently selected from the group consisting of hydrogen, halo, lower alkoxy, acyl, hydroxyalkyl, alkoxyalkyl, hydroxycarbonyl, alkyl, alkoxycarbonyl, acyloxyalkyl, cyano and aryloxy; andR8 and R9 are independently selected from the group consisting of hydrogen, hydroxy, halo, lower alkoxy, acyl, hydroxyalkyl, alkoxyalkyl, hydroxycarbonylalkyl, alkoxycarbonylalkyl, alkoxycarbonyl, acyloxyalkyl, cyano and aryloxy, or R8 and R9 together comprise a carbocyclic or heterocyclic ring structure, or R8 or R9 together with R6 or comprise a carbocyclic or heterocyclic ring structure fused to the pentacyclic D ring.

专利号:US-4239929-A
优先权日:1978-11-01
标题 :Aromatization of dienes in the liquid phase
发明人：MASILAMANI DIVAKARAN; ROGIC MILORAD M
权利人:ALLIED CHEM
摘要:Alkyl cyclohexa-1,3-dienes are aromatized with sulfur dioxide and oxygen. Cyclohexa-1,4-dienes are aromatized with sulfur dioxide. Conjugated dienic hydrocarbons, including alkyl cyclohexa-1,3-dienes, are converted to beta-olefinic peroxides by sulfur dioxide and oxygen. The aromatization reactions are useful as part of the synthesis of selected aromatics from acyclic olefins. The beta-olefinic peroxides are useful intermediates in the production of 1,4-diols.

专利号:US-5629394-A
优先权日:1992-12-17
标 题 :Direct synthesis by living cationic polymerization of nitrogen-containing polymers
发明人：CHERADAME HERVE M; CHEN FRANK J; STANAT JON E R; NGUYEN HUNG A; TABAR BEHROOZ R
权利人:EXXON CHEMICAL PATENTS INC
摘要:A method is provided for the direct synthesis by living cationic polymerization of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino, cyanato, thiocyanato or thiocarbonylamino groups. Polymerization and functionalization occur in a substantially simultaneous manner. All necessary reactants for the functionalization are present when polymerization is initiated. The nitrogen-containing functional group is provided as a part of a molecule having a release moiety which is preferably resonance stabilized or a tertiary alkyl type and which acts to aid the nitrogen-containing species in functioning as a leaving group.

专利号:US-9388345-B2
优先权日:2012-07-03
标题:Hydrocarbon synthesis methods, apparatus, and systems
发明人：MCNEFF CLAYTON V; MCNEFF LARRY C; NOWLAN DANIEL THOMAS; YAN BINGWEN; GREUEL PETER G
权利人:SARTEC CORP
摘要:Embodiments of the invention include apparatus and systems for hydrocarbon synthesis and methods regarding the same. In an embodiment, the invention includes a process for creating a hydrocarbon product stream comprising reacting a reaction mixture in the presence of a catalyst inside of a reaction vessel to form a product mixture, the reaction mixture comprising a carbon source and water. The temperature inside the reaction vessel can be between 450 degrees Celsius and 600 degrees Celsius and the pressure inside the reaction vessel can be above supercritical pressure for water. In an embodiment, the invention includes an extrusion reactor system for creating a hydrocarbon product stream. The temperature inside the extrusion reactor housing between 450 degrees Celsius and 600 degrees Celsius. Pressure inside the reaction vessel can be above supercritical pressure for water. Other embodiments are also included herein.

专利号:AU-2006279331-A1
优先权日:2005-08-18
标 题 :Synthesis of 1alpha-fluoro-25-hydroxy-16-23e-diene-26,27-bishomo-20-epi-cholecalciferol