CAS: 765-03-7; Dodec-1-Yne

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📜1,2-二溴十二烷置于氢氧化钾,Sodium Hydride体系中,化学反应生成 1-十二炔
参考文献:炔烃的金属化加氢硼化制备1,3-二醇:从硼到碳的1,2-氢迁移
标题:炔烃的金属化加氢硼化制备1,3-二醇:从硼到碳的1,2-氢迁移
摘要:一系列的1-和2-炔烃的金属化,随后用乙硼烷处理和氧化,仅得到1,3-二醇.锂化乙炔的氘代还原确定了宝石二硼化化合物中氘取代b原子之一的发生.还研究了几种乙炔和乙炔的硼氢化.
DOI:10.1016/0040-4020(80)80018-4

专利信息

专利号:US-2023192731-A1
优先权日:2020-05-29
标 题 :Process for the stepwise synthesis of silahydrocarbons
发明人：AUNER NORBERT; STURM ALEXANDER G; SANTOWSKI TOBIAS; FELDER THORSTEN
权利人:MOMENTIVE PERFORMANCE MAT INC
摘要:The invention relates to a process for the stepwise synthesis of silahydrocarbons bearing up to four different organyl substituents at the silicon atom, wherein the process includes at least one step a) of producing a bifunctional hydridochlorosilane by a redistribution reaction, selective chlorination of hydridosilanes with an ether/HCl reagent, or by selective chlorination of hydridosilanes with SiCl 4 , at least one step b) of submitting a bifunctional hydridochloromonosilane to a hydrosilylation reaction, at least one step c) of hydrogenation of a chloromonosilane, and a step d) in which a silahydrocarbon compound is obtained in a hydrosilylation reaction.

专利号:US-2002037834-A1
优先权日:2000-09-08
标题 :Compositions and methods for enhanced sensitivity and specificity of nucleic acid synthesis
发明人：ASTATKE MEKBIB; GEBEYEHU GULILAT
权利人:INVITROGEN CORP
摘要:The present invention relates to cationic and polycationic compositions and methods for enhancing synthesis of nucleic acid molecules. In a preferred aspect, the invention relates to inhibition or control of nucleic acid synthesis, sequencing or amplification. Specifically, the present invention discloses cationic and polycationic molecules, compounds, and compositions having affinity for double-stranded and/or single-stranded nucleic acid molecules and/or single-stranded/double-stranded nucleic acid complexes (e.g., primer/template complexes, double-stranded templates, single-stranded templates or single-stranded primers) for use in such enhanced synthesis. The cationic and polycationic molecules, compounds, and compositions of the invention are capable of inhibiting nonspecific nucleic acid synthesis at ambient temperature. Thus, in a preferred aspect, the invention relates to “hot startâ€? synthesis of nucleic acid molecules. Accordingly, the invention prevents non-specific nucleic acid synthesis at low temperatures, for example during reaction set up. The invention also relates to kits for synthesizing, amplifying, reverse transcribing or sequencing nucleic acid molecules comprising one or more of the cationic and polycationic molecules, compounds, and compositions of the invention. The invention also relates to compositions prepared for carrying out the methods of the invention and to compositions made after or during such methods. The invention also generally relates to compositions useful for inhibiting or preventing degradation of various nucleic acid molcules.

专利号:US-7109377-B2
优先权日:1996-10-16
标 题:Synthesis of combinatorial libraries of compounds reminiscent of natural products
发明人：SCHREIBER STUART L; SHAIR MATTHEW D; TAN DEREK S; FOLEY MICHAEL A; STOCKWELL BRENT R
权利人:HARVARD COLLEGE
摘要:The present invention provides complex compounds reminiscent of natural products and libraries thereof, as well as methods for their production. The inventive compounds and libraries of compounds are reminiscent of natural products in that they contain one or more stereocenters, and a high density and diversity of functionality. In general, the inventive libraries are synthesized from diversifiable scaffold structures, which are synthesized from readily available or easily synthesizable template structures. In certain embodiments, the inventive compounds and libraries are generated from diversifiable scaffolds synthesized from a shikimic acid based epoxyol template. In other embodiments, the inventive compounds and libraries are generated from diversifiable scaffolds synthesized from the pyridine-based template isonicotinamide. The present invention also provides a novel ortho-nitrobenzyl photolinker and a method for its synthesis. Furthermore, the present invention provides methods and kits for determining one or more biological activities of members of the inventive libraries. Additionally, the present invention provides pharmaceutical compositions containing one or more library members.

专利号:US-8709129-B2
优先权日:2009-07-21
标题 :Compounds useful as ligands of actinides, their synthesis and their uses
发明人：MARIE CÉCILE; MIGUIRDITCHIAN MANUEL; BISSON JULIA; GUILLANEUX DENIS; DUBREUIL DIDIER
权利人:MARIE CÉCILE; MIGUIRDITCHIAN MANUEL; BISSON JULIA; GUILLANEUX DENIS; DUBREUIL DIDIER; COMMISSARIAT ENERGIE ATOMIQUE
摘要:The invention relates to novel compounds which are useful as ligands of actinides, to the synthesis of these compounds and to their uses. n These compounds fit the general formula (I) hereafter: n nwherein R 1 and R 2 , either identical or different, represent H, a linear or branched, saturated or unsaturated C 1 -C 12 hydrocarbon group, a phenyl, benzyl, diphenyl or tolyl group; R 3 represents H, a linear or branched, saturated or unsaturated C 1 -C 12 hydrocarbon group, a phenyl, tolyl or linear or branched C 1 -C 12 alkoxy group; while R 4 represents H, a linear or branched, saturated or unsaturated C 1 -C 12 hydrocarbon group, a phenyl or tolyl group.n n Field of applications: the processing of used nuclear fuels via a hydrometallurgical route.

专利号:US-7883995-B2
优先权日:2007-05-31
标 题:Method of forming stable functionalized nanoparticles
发明人：MITCHELL BRIAN S; FINK MARK J; HEINTZ ANDREW S
权利人:UNIV TULANE
摘要:A novel top-down procedure for synthesis of stable passivated nanoparticles uses a one-step mechanochemical process to form and passivate the nanoparticles. High-energy ball milling (HEBM) can advantageously be used to mechanically reduce the size of material to nanoparticles. When the reduction of size occurs in a reactive medium, the passivation of the nanoparticles occurs as the nanoparticles are formed. This results in stable passivated silicon nanoparticles. This procedure can be used, for example in the synthesis of stable alkyl- or alkenyl-passivated silicon and germanium nanoparticles. The covalent bonds between the silicon or germanium and the carbon in the reactive medium create very stable nanoparticles.

专利号:US-9988349-B2
优先权日:2014-01-03
标 题:Direct stereospecific synthesis of unprotected aziridines from olefins
发明人：ESS DANIEL HALSELL; FALCK JOHN RUSSELL; JAT JAWAHAR LAL; KURTI LASZLO
权利人:ESS DANIEL HALSELL; FALCK JOHN RUSSELL; JAT JAWAHAR LAL; KURTI LASZLO
摘要:A method for the direct stereospecific conversion of structurally diverse mono-, di-, tri- and tetra-substituted olefins to N—H, N-alkyl, N-cycloalkyl, or N-aralkyl aziridines using a hydroxylamine amination agent with transition metal catalyst. The method is operationally simple (i.e., one-pot), scalable and fast at ambient temperature.