专利号:US-2015239909-A1 优先权日:2012-11-23 标 题 :Process for the preparation of (1s,4s,5s)-4-bromo-6-oxabicyclo[3.2.1]octan-7-one 发明人:NAKAMURA YOSHITAKA; MUKESH Kumar Madhra; INAMDAR MURAD ISMAIL 权利人:DAIICHI SANKYO CO LTD 摘要:The present invention relates to an improved and industrially advantageous process for the preparation of (1S, 4S, 5S)-4-bromo-6-oxabicyclo[3.2.1]octan-7-one represented by the following formula (1) n n n n n n n n n n which is a key intermediate in the synthesis of edoxaban, a compound that exhibits on inhibitory effect on activated blood coagulation factor X (also referred to as activated factor X or FXa), and is useful as a preventive and/or therapeutic drug for thrombotic diseases. The process includes reacting (1S)-cyclohex-3-ene-1-carboxylic acid of formula (II) with a brominating agent selected from the group consisting of N-bromosuccinimide or 1,3-dibromo-5, 5-dimethylhydantoin in the presence of a base selected from calcium oxide or calcium hydroxide in a solvent selected from the group comprising of dicholoromethane, toluene, tetrahydrofuran, ethyl acetate, hexanes, cyclopentyl methyl ether (CPME) or a misture thereof to get (1S, 4S 5S)-4-bromo-6-oxabicyclo[3.2.1]octan-y-one of formula (1)
专利号:US-4022908-A 优先权日:1974-02-26 标 题 :Use of certain 2-nitro-3-phenyl-alkoxybenzofurans in inhibiting growth of microorganisms and intermediates in the synthesis of said benzofurans 发明人:SCHERRER ROBERT A 权利人:RIKER LABORATORIES INC 摘要:Certain alkoxy-substituted-2-nitro-3-phenylbenzofurans are prepared by the exchange reaction of 2-halo-3-phenylbenzofurans with nitrating agents and are found to be useful antimicrobial agents.
专利号:US-2005192265-A1 优先权日:2003-03-20 标 题:Cycloalkyl, lactam, lactone and related compounds, pharmaceutical compositions comprising same, and methods for inhibiting beta-amyloid peptide release and/or its synthesis by use of such compounds 发明人:THOMPSON RICHARD C; WILKIE STEPHEN; STACK DOUGLAS R; VANMETER ELDON E; SHI QING; BRITTON THOMAS C; AUDIA JAMES E; REEL JON K; MABRY THOMAS E; DRESSMAN BRUCE A; CWI CYNTHIA L; HENRY STEVEN S; MCDANIEL STACEY L; STUCKY RUSSELL D; PORTER WARREN J 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 that include 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-6906056-B2 优先权日:1998-06-22 标 题:Cycloalkyl, lactam, lactone and related 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:THOMPSON RICHARD C; WILKIE STEPHEN; STACK DOUGLAS R; VANMETER ELDON E; SHI QING; BRITTON THOMAS C; AUDIA JAMES E; REEL JON K; MABRY THOMAS E; DRESSMAN BRUCE A; CWI CYNTHIA L; HENRY STEVEN S; MCDANIEL STACEY L; STUCKY RUSSELL D; PORTER WARREN J 权利人:LILLY CO ELI 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 that include 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-2023331690-A1 优先权日:2020-11-01 标 题 :Thc derivatives, oral dosage forms comprising same, uses thereof for treating diseases and disorders and synthesis thereof 发明人:ALBECK AMNON; WOLFMAN JACOB; EYAL NADAV 权利人:UNIV BAR ILAN; EYBNA TECH LTD 摘要:Provided herein are THC derivatives, formulations thereof, synthesis thereof and uses thereof through oral administration, for treatment of diseases and disorders.
专利号:US-11485823-B2 优先权日:2017-06-29 标 题:Polymer for delivery of biologically active materials 发明人:YANG YI-YAN; YANG CHUAN; CHENG WEI; LEE ASHLYNN 权利人:AGENCY SCIENCE TECH & RES 摘要:The present invention mainly relates to a polymer for delivery of biologically active materials, a complex and a method of synthesis thereof. The polymer comprises a poly(ethylene imine) and at least one monomer, each monomer comprising a modified sugar moiety, preferably galactose, comprising a sulphur atom or a nitrogen atom and a chemical moiety comprising a terminal epoxide for linking the polyethylene imine to the monomer, wherein the sulphur atom or the nitrogen atom links the modified sugar moiety to the chemical moiety. The biologically active material is preferably a gene, siRNA, mRNA or plasmid DNA. Further disclosed is the medical use of said complex in treating a disease caused by a genetic disorder, for example cancer.
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合成参考文献
摘要:Zhou, Q.-Q.; Wei, Y.; Lu, L.-Q.; Xiao, W.-J., Science of Synthesis: Photocatalysis in Organic Synthesis, (2018) 1, 195.