CAS: 3172-56-3; 3,3'-Bithiophene

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CAS号872-31-1 3-溴噻吩 | CAS号6165-69-1 3-噻吩硼酸 | CAS号17249-80-8 3-氯噻吩 | CAS号1411978-45-4 | CAS号108-85-0 溴代环己烷 | CAS号2996-92-1 苯基三甲氧基硅烷 | CAS号10486-61-0 3-碘噻吩 | CAS号5798-75-4 4-溴苯甲酸乙酯 | CAS号112-29-8 溴代正癸烷 | CAS号111-25-1 1-溴代正己烷 | CAS号18592-86-4 2-bromo-3-(2-br... | CAS号53844-54-5 4-bromo-3-[4-br...

Thiophene-3-Diazonium Tetrafluoroborate置于iron(II) Chloride体系中,用 四氯化碳 用作溶剂,化学反应 3.0H,以56%的收率获得3,3'-双噻吩
参考文献:Ferrous Salt-Promoted Homocoupling Of Arenediazonium Tetrafluoroborates Under Mild Conditions
标题:Ferrous Salt-Promoted Homocoupling Of Arenediazonium Tetrafluoroborates Under Mild Conditions
摘要:A Simple And Efficient Protocol Has Been Developed For The Synthesis Of Various Symmetrical Biaryls In Good To Excellent Yields From The Homocoupling Reactions Of Arenediazonium Salts With Ferrous Salt In Carbon Tetrachloride Solution Under Mild Reaction Conditions. Moreover,The Novel Homocoupling Has Been Demonstrated To Proceed Via An Electron Transfer Reaction Mechanism. (C) 2012 Elsevier Ltd. All Rights Reserved.
Doi:10.1016/j.Tetlet.2012.09.028

专利信息

专利号:US-2007010691-A1
优先权日:2003-07-02
标 题:Enantioselective synthesis of enantiomerically enriched compounds
发明人：PICCOLO ORESS; ULGHERI FAUSTA; MARCHETTI MAURO
权利人:CONSIGLIO NAZIONALE RICERCHE
摘要:Method of preparing an enantiomerically enriched compound of formula (II) comprising enantioselective hydrogenation of a compound of general formula (I): where W, X and Z have the meanings indicated in the description, to give a compound of general formula (II): where W, Y, T and C* have the meanings indicated in the description, in the presence of a catalyst or its suitable precursor based on Rh, Ru or Ir, having an oxidation state of 0, +1 or +2, and containing at least one enantiomerically enriched chiral ligand.

专利号:EP-1926738-B1
优先权日:2005-09-19
标题:Synthesis of cyclopentadienedithiophene derivatives
发明人：GUIDOTTI SIMONA
权利人:BASELL POLYOLEFINE GMBH
摘要:A process for preparing cyclopentadiene derivatives having formula (I) wherein T1 is selected from the group consisting of oxygen (O), or sulphur (S); R1, R2, R3 and R4, are hydrogen atoms, or hydrocarbon radicals; comprising the following steps: a) reacting a compound of formula (II) with a compound of formula (III) in the presence of a palladium or nickel based catalyst and a base; b) contacting the obtained compound with a carbonylating system; and c) treating the product obtained in step b) with a reducing agent.

专利号:WO-9966934-A1
优先权日:1998-06-22
标 题 :CYCLIC AMINO ACID COMPOUNDS, PHARMACEUTICAL COMPOSITIONS COMPRISING SAME, AND METHODS FOR INHIBITING β-AMYLOID PEPTIDE RELEASE AND/OR ITS SYNTHESIS BY USE OF SUCH COMPOUNDS
发明人：AUDIA JAMES E; DRESSMAN BRUCE A; SHI QING
权利人:ELAN PHARM INC; LILLY CO ELI; AUDIA JAMES E; DRESSMAN BRUCE A; SHI QING
摘要:Disclosed are compounds which inhibit β-amyloid peptide release and/or its synthesis, and, accordingly, have utility in treating Alzheimer's disease. Also disclosed are pharmaceutical compositions comprising a compound which inhibits β-amyloid peptide release and/or its synthesis as well as methods for treating Alzheimer's disease both prophylactically and therapeutically with such pharmaceutical compositions.

专利号:US-2006252906-A1
优先权日:2003-02-20
标题:Method of synthesis of polyarylenes and the polyarylenes made by such method

专利号:US-7265237-B2
优先权日:2000-06-06
标题 :Chiral monophosphites as ligands for asymetrical synthesis
发明人：REETZ MANFRED T; MEHLER GERLINDE; MEISWINKEL ANDREAS
权利人:STUDIENGESELLSCHAFT KOHLE MBH
摘要:Certain chiral monophosphites and their monothio derivatives are suitable as ligands in the asymmetrical transition-metal-catalyzed hydrogenation, hydroborination and hydrocyanation of prochiral olefins, ketones and imines.

专利号:CA-2743978-A1
优先权日:2008-12-18
标 题:Process for synthesis of amino-methyl tetraline derivatives