专利号:US-11306041-B2 优先权日:2017-03-30 标 题:Catalytic synthesis of super linear alkenyl arenes using rhodium catalysts 发明人:SCHINSKI WILLIAM; GOLDMAN ALAN; GUNNOE THOMAS B; WEBSTER-GARDINER MICHAEL S; SCHWARTZ NICHOLE 权利人:UNIV VIRGINIA PATENT FOUNDATION 摘要:Catalytic methods for synthesis of super linear alkenyl arenes and alkyl arenes are provided. The methods are capable of synthesizing super linear alkyl and alkenyl arenes from simple arene and olefin starting materials and with high selectivity for linear coupling. Methods are also provided for making a 2,6-dimethylnapthalene (DMN) or 2,6-methylethylnapthalene (MEN).
专利号:US-3817777-A 优先权日:1970-12-12 标题 :Solid-phase synthesis support 发明人:HORVATH C; LIPSKY S 权利人:HOFFMANN LA ROCHE 摘要:A SUPPORT MEDIUM CONSISTING OF A HIGHLY SWELLABLE POLTMER RESIN COATED ON A FLUID IMPERVIOUS, SHAPED CORE MATERIAL IS DESCRIBED, IN SPEECIFIC EMBODIEMENTS. GLASS BEADS ARE PROVIDED WITH A COATING OF A HIGLY SWELLABLE LOWCORSS LINKED POLYMER SUCH AS POLYSTYRENE. REACTIVE GROUPS, SUCH AS THE CHLORIOMETHYL GROUP, ARE INTRODUCED INTO THE POLYMER COATING. THE AFORESAID SUPPORT MEDIUM IS USEFUL IN THE SOLID PHASE SYNTHESIS OF COMPLEX MOLECULES SUCH AS POLYPEPTIDES, POLYNUCLEOTIDES, POLYSACCHARIDES, PROTEINS, POLYAMIDES AND THE LIKE.
专利号:US-5231234-A 优先权日:1992-03-30 标 题 :Two stage production of ether from tertiary alcohol 发明人:ARGANBRIGHT ROBERT P; HEARN BRADLEY S 权利人:CHEMICAL RES & LICENSIN 摘要:An integrated two stage process for the production of isoolefin by the dehydration of isoalcohol and the synthesis of a corresponding ether, for example the production of methyl tertiary butyl ether by (a) feeding tertiary butyl alcohol to a first distillation column reactor into a feed zone; (b) concurrently in said first distillation column reactor (i) contacting said TBA with an acid ion exchange resin catalyst as a component of a distillation structure, at a temperature in the range of 165 DEG to 200 DEG F. to dissociate said tertiary butyl alcohol to the isobutene and water, characterized in that sufficient water is maintained in said distillation reaction zone to inhibit the reaction of the isobutene with itself to form dimers and (ii) separating isobutene and water by fractional distillation; (c) withdrawing isobutene as overheads; (d) withdrawing water and undehydrated isoalcohol as bottoms, and in the second stage feeding the recovered isobutene to a second distillation column reactor with methanol and concurrently reacting methanol and isobutene at the appropriate dilution to form a reaction mixture containing methyl tertiary butyl ether.
专利号:US-4000358-A 优先权日:1968-12-19 标题:Unsaturated ester-amides of halogenated alkenes 发明人:D ALELIO GAETANO F 权利人:ALELIO GAETANO F D 摘要:This invention deals with new unsaturated esteramides of alpha , beta -unsaturated polycarboxylic acids derived from halogenated alcohols of the formula wherein R is a divalent hydrocarbon moiety having at least one and no more than 10 carbon atoms, X is a member selected from the class of bromine and chlorine, and R' is a member selected from the class of hydrogen, X and a monovalent hydrocarbon containing at least one and no more than 20 carbon atoms. Typical esteramides are the maleates, fumarates, itaconates and citraconates. These monomers possess fire-retardant properties and are useful for the synthesis of polymers and copolymers.
专利号:US-3796746-A 优先权日:1968-12-19 标题 :Unsaturated ester of halogenated alkenes 发明人:D ALELIO G 权利人:ALELIO G D 摘要:THIS INVENTION DEALS WITH NEW UNSATURATED ESTERS OF A,B-UNSATURATED CARBOXYLIC ACIDS DERIVED FROM HALOGENATED ALCOHOLS OF THE FORMULAS HO-R-C(-X)=C(-X)-R'' AND HO-R-C(-X)2-C(-X)2-R'' WHEREIN R IS A DIVALENT HYDROCARBON MOIETY HAVING AT LEAST ONE AND NO MORE THAN 10 CARBON ATOMS, X IS A MEMBER SELECTED FROM THE CLASS OF OF BROMINE AND CHLORINE, AND R'' IS A MEMBER SELECTED FROM THE CLASS OF HYDROGEN, X AND A MOLOVALENT HYDROCARBON CONTAINING AT LEAST ONE AND NO MORE THAN 20 CARBON ATOMS. TYPICAL ESTERS ARE THE ACRYLATES, METHACRYLATES, MALEATES, FURMARATES, ITACONATES AND CINNAMATES. THE MONOMERS POSSESS FIRERETARDANT PROPERTIES AND ARE USEFUL FOR THE SYNTHESIS OF POLYMERS AND COPOLYMERS.
专利号:US-3637813-A 优先权日:1968-12-19 标 题 :Unsaturated ester of halogenated alkenes 发明人:ALELIO GAETANO F D 权利人:GAETANO F D ALELIO 摘要:THIS INVENTION DEALS WITH NEW UNSATURATED ESTERS OF A,B-UNSATURATED CARBOXYLIC ACIDS DERIVED FROM HALOGENATED ALCOHOLS OF THE FORMULAS HO-R-C(-X)=C(-X)-R'' AND HO-C(-X)2-C(-X)2-R'' WHEREIN R IS A DIVALENT HYDROCARBON MOIETY HAVING AT LEAST ONE AND NO MORE THAN 10 CARBON ATOMS, X IS A MEMBER SELECTED FROM THE CLASS OF BROMINE AND CHLORINE, AND R'' IS A MEMBER SELECTED FROM THE CLASS OF HYDROGEN, X AND A MONOVALENT HYDROCARBON CONTAINING AT LEAST ONE AND NO MORE THAN 20 CARBON ATOMS. TYPICAL ESTERS ARE THE ACRYLATES, METHACRYLATES, MALEATES, FUMARATES, ITACONATES AND CINNAMATES. THESE MONOMERS POSSESS FIRERETARDANT PROPERTIES AND ARE USEFUL FOR THE SYNTHESIS OF POLYMERS AND COPOLYMERS.
参考标题:Nickel-Catalyzed Allylic C(Sp2)-H Activation: Stereoselective Allyl Isomerization And Regiospecific Allyl Arylation Of Allylarenes 作者:Qiang Wu,Lanlan Wang,Rizhe Jin,Chuanqing Kang,Zheng Bian,Zhijun Du,Xiaoye Ma,Haiquan Guo,Lianxun Gao |发布日期:2016.11 摘要:Allylarenes With Excess Grignard Reagent. It Occurs Regiospecifically At The Position Of C(Sp2)-H Activation And Represents A New Method For The Synthesis Of 1,1-Disubstituted Olefins. The Results Of Deuterium Labeling Experiments Reveal An Alkenyl/alkyl Mechanism Involving Allylic Internal C(Sp2)-H Activation And Multiple Intermolecular 1,2-, 1,3-, And 2,3-Hydride Shifts. These Methods Represent New
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摘要:Kalyani, D.; Desai, L. V., Science of Synthesis: Cross Coupling and Heck-Type Reactions, (2012) 3, 758. 摘要:Liu, G.; Chen, P., Science of Synthesis: Catalytic Transformations via CH Activation, (2015) 2, 3. 摘要:Liu, G.; Chen, P., Science of Synthesis: Catalytic Transformations via CH Activation, (2015) 2, 25. 摘要:Liu, G.; Chen, P., Science of Synthesis: Catalytic Transformations via CH Activation, (2015) 2, 30. 摘要:Liu, G.; Chen, P., Science of Synthesis: Catalytic Transformations via CH Activation, (2015) 2, 21.