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📜1-十四烯置于四氧化锇,N-甲基吗啉氧化物体系中,化学反应生成1,2-十四碳二醇
参考文献:Pt催化单取代烯烃对映选择性二硼化的范围和机理
标题:Pt催化单取代烯烃对映选择性二硼化的范围和机理
摘要:Pt 催化的末端烯烃的对映选择性二硼化可以在手性亚膦酸酯配体存在下以对映选择性方式完成.对这种转化的最佳程序和底物范围进行了充分研究.反应进程动力学分析和动力学同位素效应表明催化循环中的立体定义步骤是烯烃迁移插入 Pt-B 键.密度泛函理论分析与其他实验数据相结合,表明插入反应将铂定位在基板的内部碳上.该反应的立体化学模型得到了改进,该模型既符合这些特征又符合 Pt-配体复合物的晶体结构.
Doi:10.1021/ja4041016

专利信息

专利号:US-12103087-B2
优先权日:2019-09-30
标题:Systems and methods for platinum nanocatalyst synthesis via continuous flow reactor
发明人：WANG RONGYUE; PUPEK KRZYSZTOF Z; STAMENKOVIC VOJISLAV; DZWINIEL TREVOR L
权利人:UCHICAGO ARGONNE LLC
摘要:A method for synthesis of platinum nanoparticles by continuous flow using large flow segments. The nanoparticles are monodispersed and can undergo acid leaching to form platinum catalyst, such as PtNi or PtCo catalyst material.

专利号:US-10833332-B2
优先权日:2018-06-01
标题:Systems and methods for scale-up synthesis multi-layered Pt-skin nanoparticle catalysts
发明人：STAMENKOVIC VOJISLAV; KRUMDICK GREGORY K; WANG RONGYUE; MARKOVIC NENAD; PUPEK KRZYSZTOF Z
权利人:UCHICAGO ARGONNE LLC
摘要:A method for scaled-up synthesis of PtNi nanoparticles. Synthesizing a Pt nanoparticle catalyst comprises the steps of: synthesizing PtNi nanoparticles, isolating PtNi/substrate nanoparticles, acid leaching the PtNi/substrate, and annealing the leached PtNi/substrate nanoparticles, and forming a Pt-skin on the PtNi/substrate nanoparticles.

专利号:US-8877977-B2
优先权日:2011-11-25
标题 :Synthesis of polyalkylenepolyamines having a low color index by homogeneously catalyzed alcohol amination in the presence of hydrogen
发明人：STRAUTMANN JULIA; SCHAUB THOMAS; HUEFFER STEPHAN; MAAS STEFFEN; PACIELLO ROCCO
权利人:STRAUTMANN JULIA; SCHAUB THOMAS; HUEFFER STEPHAN; MAAS STEFFEN; PACIELLO ROCCO; BASF SE
摘要:Process for the preparation of polyalkylenepolyamines by homogeneously catalyzed alcohol amination, in which aliphatic amino alcohols are reacted with one another or aliphatic diamines or polyamines are reacted with aliphatic diols or polyols with the elimination of water in the presence of a homogeneous catalyst and in the presence of hydrogen gas. Polyalkylenepolyamines obtainable by such processes and polyalkylenepolyamines comprising hydroxy groups, secondary amines or tertiary amines. Uses of such polyalkylenepolyamines as adhesion promoters for printing inks, adhesion promoters in composite films, cohesion promoters for adhesives, crosslinkers/curing agents for resins, primers for paints, wet-adhesion promoters for emulsion paints, complexing agents and flocculating agents, penetration assistants in wood preservation, corrosion inhibitors, immobilizing agents for proteins and enzymes.

专利号:WO-2013076053-A1
优先权日:2011-11-25
标题:Synthesis of polyalkylene polyamines with low color index by homogeneously catalyzed alcohol amination in the presence of hydrogen
发明人：STRAUTMANN JULIA; SCHAUB THOMAS; HUEFFER STEPHAN; MAAS STEFFEN; PACIELLO ROCCO
权利人:BASF SE; STRAUTMANN JULIA; SCHAUB THOMAS; HUEFFER STEPHAN; MAAS STEFFEN; PACIELLO ROCCO
摘要:The invention relates to a method for the production of polyalkylene polyamines by homogeneously catalyzed alcohol amination, wherein aliphatic alkanolamines are reacted with each other or aliphatic diamines or polyamines are reacted with aliphatic diols or polyols in the presence of a homogeneous catalyst while eliminating water and in the presence of hydrogen gas. The invention further relates to polyalkylene polyamines, which can be obtained by said methods, and to polyalkylene polyamines which contain hydroxyl groups, secondary amines or tertiary amines. The invention finally relates to uses of said polyalkylene polyamines as adhesion promoters in inks, adhesion promoters in composite films, cohesion promoters in adhesives, cross-linkers/hardeners for resins, primers for paints, wet adhesion promoters for dispersion paints, complexing agents and flocculants, penetration auxiliaries for use in wood preservation, corrosion inhibitors, and immobilization agents of proteins and enzymes.

专利号:US-8969252-B2
优先权日:2002-09-18
标 题:Peptide mediated synthesis of metallic and magnetic materials
发明人：BELCHER ANGELA M; REISS BRIAN D; MAO CHUANBIN; SOLIS DANIEL J
权利人:BELCHER ANGELA M; REISS BRIAN D; MAO CHUANBIN; SOLIS DANIEL J; UNIV TEXAS
摘要:The present invention includes methods for producing magnetic nanocrystals by using a biological molecule that has been modified to possess an amino acid oligomer that is capable of specific binding to a magnetic material.

专利号:US-9205410-B2
优先权日:2012-04-03
标题 :One-step synthesis of monodisperse transition metal core-shell nanoparticles with solid solution shells
发明人：LAUTERBACH JOCHEN A; HATTRICK-SIMPERS JASON R; WEN CUN
权利人:LAUTERBACH JOCHEN A; HATTRICK-SIMPERS JASON R; WEN CUN; UNIV SOUTH CAROLINA
摘要:Methods of forming monodispersed core-shell nanoparticles are provided. A cobalt(II)-ligand component, a metal(II)-ligand component, an organic reducing agent, and a capping agent can be added to an organic solvent to form a reaction mixture. The reaction mixture is then heated to a dissolving temperature while under a gas (e.g., including methane) such that the reaction mixture becomes a reaction solution while stirring at the dissolving temperature. The reaction solution is then be heated to a reaction temperature (e.g., about 200° C. or more) while under the gas to form the core-shell nanoparticles, and the core-shell nanoparticles can be collected from the reaction solution.