专利号:US-8410301-B2 优先权日:2007-11-28 标题:Methods for the synthesis of organic sulfides by using sulfides and organic sulfur-indium complexes 发明人:LEE PHIL-HO 权利人:LEE PHIL-HO; KNU INDUSTRY COOPERATION FOUND 摘要:The present invention relates to a novel synthesis method for the formation of carbon-sulfur bonds by the reaction of an organic sulfur-indium complex with nucleophile in the presence of a palladium catalyst. The present invention provides a synthesis method to prepare several kinds of organic sulfides which are difficult to be prepared by the conventional synthesis methods. A short reaction time and quantitative yield are the advantages of this method. In addition, several kinds of organic sulfide can be prepared by the selection of nucleophile and organic sulfur-indium complex to be used.
专利号:US-7906490-B2 优先权日:1993-04-15 标 题 :Circular DNA vectors for synthesis of RNA and DNA 发明人:KOOL ERIC T 权利人:UNIV ROCHESTER 摘要:The present invention provides methods for synthesis and therapeutic use of DNA and RNA oligonucleotides and analogs. RNA oligonucleotides are synthesized using a small, circular DNA template which lacks an RNA polymerase promoter sequence. The RNA synthesis is performed by combining a circular single-stranded oligonucleotide template with an effective RNA polymerase and at least two types of ribonucleotide triphosphate to form an RNA oligonucleotide multimer comprising multiple copies of the desired RNA oligonucleotide sequence. Preferably, the RNA oligonucleotide multimer is cleaved to produce RNA oligonucleotides having well-defined ends. Preferred RNA oligonucleotide multimers contain ribozymes capable of both cis (autolytic) and trans cleavage.
专利号:US-6368802-B1 优先权日:1993-04-15 标 题 :Circular DNA vectors for synthesis of RNA and DNA 发明人:KOOL ERIC T 权利人:UNIV ROCHESTER 摘要:The present invention provides methods for synthesis and therapeutic use of DNA and RNA oligonucleotides and analogs. RNA oligonucleotides are synthesized using a small, circular DNA template which lacks an RNA polymerase promoter sequence. The RNA synthesis is performed by combining a circular single-stranded oligonucleotide template with an effective RNA polymerase and at least two types of ribonucleotide triphosphate to form an RNA oligonucleotide multimer comprising multiple copies of the desired RNA oligonucleotide sequence. Preferably, the RNA oligonucleotide multimer is cleaved to produce RNA oligonucleotides having well-defined ends. Preferred RNA oligonucleotide multimers contain ribozymes capable of both cis (autolytic) and trans cleavage.
专利号:EP-1641729-B1 优先权日:2003-07-09 标题:Use of functionalized onium salts as a soluble support for organic synthesis 发明人:VAULTIER MICHEL; GMOUH SAID; HASSINE FATIMA 权利人:CENTRE NAT RECH SCIENT; UNIV RENNES 摘要:The invention relates to the use of a onium salt functionalized by at least one organic function, as a soluble support, in the presence of at least one organic solvent, for organic synthesis of a molecule, in a homogenous phase, by at least one transformation of said organic function. The onium salt enables the synthesized molecule to be released. The onium salt is present in liquid or solid form at room temperature and corresponds to formula A1+, X1-, wherein A1+ represents a cation and X1- represents an anion.
专利号:US-11848117-B2 优先权日:2017-12-06 标题:Thin and uniform silver nanowires, method of synthesis and transparent conductive films formed from the nanowires 发明人:HU YONGXING; LI YING-SYI; YANG XIQIANG; ANG JING SHUN; VIRKAR AJAY 权利人:C3 NANO INC 摘要:Highly uniform and thin silver nanowires are described having average diameters below 20 nm and a small standard deviation of the diameters. The silver nanowires have a high aspect ratio. The silver nanowires can be characterized by a small number of nanowires having a diameter greater than 18 nm as well as with a blue shifted narrow absorption spectrum in a dilute solution. Methods are described to allow for the synthesis of the narrow uniform silver nanowires. Transparent conductive films formed from the thin, uniform silver nanowires can have very low levels of haze and low values of ΔL*, the diffusive luminosity, such that the transparent conductive films can provide little alteration of the appearance of a black background.
专利号:US-7109348-B1 优先权日:2002-08-30 标题 :Synthesis of 1,3 distributed imidazolium salts 发明人:NOLAN STEVEN P 权利人:UNIV NEW ORLEANS RES AND TECHN 摘要:Imidazolium salts are the immediate precursors to N-heterocyclic carbenes (NHC) yet a simple, general synthetic route to a wide variety of imidazolium salts is not yet available. Such a straightforward route is described for two specific members of this family of ligand precursor: 1,3-Bis(2,4,6-trimethylphenyl)imidazolium chloride (IMes.HCl) and 1,3-Bis(2,6-diispropylphenyl)imidazolium chloride (IPr.HCl). The procedure appears general and similar protocols can be used to isolate various imidazolium salts.
参考标题:Continuous Flow Solvent Free Organic Synthesis Involving Solids (Reactants/products) Using A Screw Reactor 作者:Brijesh M. Sharma,Ranjit S. Atapalkar,Amol A. Kulkarni 摘要:Nucleophilic Substitutions, Protection, Acylations And Coupling Reactions Using A Mechanochemical Approach At A Controlled Temperature Using A Single Synthesis Platform. Almost Minimal Solvents Or Solvent-Free Conditions Are Used, Making It A Very Efficient And Clean Synthesis Of Various Products. A Jacketed Screw Reactor When Operated At Different Temperatures (0 °C To 160 °C) And Over A Range Of
合成参考文献
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