CAS: 646-31-1; N-Tetracosane

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CAS号4292-19-7 1-碘十二烷 | CAS号930-68-7 环己烯酮 | CAS号143-15-7 溴代十二烷 | CAS号112-52-7 1-氯十二烷 | CAS号15890-72-9 十二烷基溴化镁 | CAS号80336-91-0 didodecylcadmium | CAS号1490-25-1 丁二酸单甲酯酰氯 | CAS号41144-01-8 3,7-dimethyl°Ct... | CAS号10478-23-6 S-dodecyl ethan... | CAS号112-92-5 硬脂醇 | CAS号629-96-9 1-二十醇 | CAS号593-50-0 三十烷醇 | CAS号661-19-8 正二十二醇 | CAS号506-51-4 二十四醇 | CAS号506-52-5 二十六碳醇 | CAS号557-61-9 1-二十八烷醇

对甲苯磺酸十二酯置于锰,三甲基氯硅烷,Vitamin B12,1,10-邻菲啰啉二溴化镍体系中,用 二甲基亚砜 作为反应溶剂,化学反应 24.0H,以86%的收率获得产物正二十四烷
参考文献:Ni/co 催化的甲苯磺酸烷基酯均偶联反应
标题:Ni/co 催化的甲苯磺酸烷基酯均偶联反应
摘要:已经通过使用镍和亲核钴催化剂的组合开发了甲苯磺酸烷基酯的直接还原均偶联.单电子转移型氧化加成是完善的镍催化烷基卤化物偶联的关键过程.然而,由于甲苯磺酸酯的高位 σ*(C-O) 轨道,该方法不能应用于普遍存在的甲苯磺酸酯烷基酯的均偶联.本文描述了一种 Ni/co 催化的协议,用于在温和条件下构建烷基二聚体时活化甲苯磺酸烷基酯.
DOI:10.3390/molecules24081458

专利信息

专利号:US-7192567-B1
优先权日:1999-09-17
标题 :Precursor soot synthesis of fullerenes and nanotubes without formation of carbonaceous soot
发明人：REILLY PETER T A
权利人:UT BATTELLE LLC
摘要:The present invention is a method for the synthesis of fullerenes and/or nanotubes from precursor soot without the formation of carbonaceous soot. The method comprises the pyrolysis of a hydrocarbon fuel source by heating the fuel source at a sufficient temperature to transform the fuel source to a condensed hydrocarbon. The condensed hydrocarbon is a reaction medium comprising precursor soot wherein hydrogen exchange occurs within the reaction medium to form reactive radicals which cause continuous rearrangement of the carbon skeletal structure of the condensed hydrocarbon. Then, inducing dehydrogenation of the precursor soot to form fullerenes and/or nanotubes free from the formation of carbonaceous soot by continued heating at the sufficient temperature and by regulating the carbon to hydrogen ratio within the reaction medium. The dehydrogenation process produces hydrogen gas as a by-product. The method of the present invention in another embodiment is also a continuous synthesis process having a continuous supply of the fuel source. The method of the present invention can also be a continuous cyclic synthesis process wherein the reaction medium is fed back into the system as a fuel source after extraction of the fullerenes and/or nanotube products. The method of the present invention is also a method for producing precursor soot in bulk quantity, then forming fullerenes and/or nanotubes from the precursor bulk.

专利号:US-7230101-B1
优先权日:2002-08-28
标 题:Synthesis of methotrexate-containing heterodimeric molecules
发明人：MURTHI KRISHNA K; SMITH CHASE C
权利人:GPC BIOTECH INC
摘要:The present invention relates to novel compositions of methotrexate-containing heterodimeric probe molecules, also known as chemical inducers of dimerization (CID), useful in three-hybrid assays. The invention further relates to synthesis of said compositions and their intermediates. Another aspect of the invention is a method for using the heterodimeric probe molecules described herein in drug screens to identify potential protein targets to a given ligand, optimize protein-ligand interactions, or identify potential ligands for a given protein target. In certain embodiments, the invention contemplates the synthesis of the following methotrexate-containing heterodimeric probe:

专利号:US-8105809-B2
优先权日:2008-07-03
标题 :Enzymatic synthesis of acetoacetate esters and derivatives
发明人：HENDERSON SAMUEL T
权利人:HENDERSON SAMUEL T; ACCERA INC
摘要:In one embodiment, the present invention includes a method for the synthesis of an ester derivative of acetoacetate. The method includes providing a first ester of acetoacetate and providing an alcohol. The method further includes combining the first ester of acetoacetate and the alcohol in the presence of an enzyme capable of transesterification in a non-aqueous solvent to form the ester derivative of acetoacetate. The method results in the formation of the ester derivative of acetoacetate, which, in one embodiment, is monoacetoacetin.

专利号:US-6737504-B2
优先权日:2001-07-30
标 题 :Synthesis of substituted poly(aniline)s
发明人：FREUND MICHAEL S; SHOJI EIICHI
权利人:CALIFORNIA INST OF TECHN
摘要:A method for preparing a wide range of substituted poly(aniline)s from a single precursor is described. The method uses a variety of reactions, including a boron activation/electrophilic displacement reaction resulting in ipso-substitution. The ability to tune the properties of poly(aniline) through the generation of new structures is useful in numerous fields ranging from polymer-based electronics to sensors.

专利号:US-2014296354-A1
优先权日:2013-04-01
标题 :Synthesis of peptoid-based small molecular gelators from multiple component reactions
发明人：WANG GUIJUN; MANGUNURU HARI P R
权利人:WANG GUIJUN; MANGUNURU HARI P R; OLD DOMINION UNIV RES FOUND
摘要:Described herein are the one-pot synthesis and characterization of a library of low molecular weight peptoid compounds that are able to form gels at room temperature. The compounds are synthesized from biologically-based starting materials, are biocompatible, and are resistant to degradation by proteases and peptidases. The compounds and gels synthesized therefrom can be used in such applications as tissue engineering, drug delivery, separation of biomolecules, and stimulus-responsive advanced materials

专利号:US-5162284-A
优先权日:1991-08-05
标 题 :Copper promoted cobalt-manganese spinel catalyst and method for making the catalyst for Fischer-Tropsch synthesis
发明人：SOLED STUART L; IGLESIA ENRIQUE; FIATO ROCCO A
权利人:EXXON RESEARCH ENGINEERING CO
摘要:A copper promoted cobalt manganese spinel useful for Fischer-Tropsch synthesis of olefins and higher paraffins is prepared from an aqueous solution of cobalt and manganese salts of at least one alpha-hydroxy aliphatic carboxylic acid.