1044137-00-9 = 923287-50-7 反应条件:1.1 Reagents: Boron Tribromide Solvents: Dichloromethane; -78 °C; 1 H,Rt; Rt -> -78 °C1.2 Reagents: Water; -78 °C; 1 H,Rt 标题:Combination Of Deuterated Levodopa With Carbidopa And Opicapone For The Treatment Of Parkinson'S Disease 参考文献:World Intellectual Property Organization]
952091-17-7 = 923287-50-7 反应条件:1.1 Reagents: Carbamide Peroxide,Trifluoroacetic Anhydride Solvents: Dichloromethane; Cooled; Overnight,Rt 标题:Process For Preparation Of Opicapone And Novel Intermediates Thereof 参考文献:United States]
1402714-41-3 = 923287-50-7 反应条件:1.1 Reagents: Pyridine,Aluminum Chloride Solvents: N-Methyl-2-Pyrrolidone; 5 °C -> 60 °C; 2 H,60 °C 标题:A [1,2,4]Oxadiazo Derivative As An Intermediate For Preparation Of A Catechol-O-Methyltransferase Inhibitor Useful In Treatment Of Parkinson'S Disease Via Demethylation And Its Preparation 参考文献:World Intellectual Property Organization]
= 923287-50-7 [标题:Reaction Conditions 标题:Preparation Of Pyridyloxadiazolylnitrobenzenediols And Related Compounds As Catechol O-Methyltransferase (Comt) Inhibitors. 参考文献:World Intellectual Property Organization]
2356241-51-3 = 923287-50-7 反应条件:1.1 Reagents: Aluminum Chloride Solvents: Dimethylformamide; 5 - 10 °C; 6 H,85 °C 标题:Process For The Preparation Of Opicapone And Intermediates Thereof 参考文献:India]
1044137-00-9 = 923287-50-7 反应条件:1.1 Reagents: Boron Tribromide Solvents: Dichloromethane; Rt -> -78 °C; 0.5 H,-78 °C -> Rt; Rt -> -20 °C1.2 Reagents: Water; 1 H,Rt 标题:Discovery Of A Long-Acting,Peripherally Selective Inhibitor Of Catechol-O-Methyltransferase 作者:Kiss,Laszlo E.; Ferreira,Humberto S.; Torrao,Leonel; Bonifacio,Maria Joao; Palma,P. Nuno; Et Al 参考文献:Journal Of Medicinal Chemistry 日期:2010 卷标:53(8) 页码:3396-3411]
952091-17-7 = 923287-50-7 反应条件:1.1 Reagents: Carbamide Peroxide,Trifluoroacetic Anhydride Solvents: Dichloromethane; 5 °C -> 30 °C; 16 H,25 - 30 °C 标题:Commercially Viable Process Preparation Of Opicapone 参考文献:World Intellectual Property Organization]
= 923287-50-7 [标题:Reaction Conditions 标题:Dosage Regimen For Catechol-O-Methyl Transferase Inhibitors For Prevention Or Treatment Of Central And Peripheral Nervous System-Associated Disorders 参考文献:World Intellectual Property Organization
香草酸甲酯置于吡啶,Aluminum (Iii) Chloride,氯化亚砜,水,硝酸,过氧化脲素,N,N-二甲基甲酰胺,三氟乙酸酐,Sodium Hydroxide,Sodium Nitrite体系中,用 1,4-二氧六环,N-甲基吡咯烷酮,二氯甲烷,水 作为反应溶剂,化学反应 32.67H,反应生成 奥匹帕酮 参考文献: Chemical Compound Useful As Intermediate For Preparing A Catechol-O-Methyltransferase Inhibitor[fr] Composé Chimique Utile En Tant Qu'Intermédiaire Pour La Préparation D'Un Inhibiteur De Catéchol-O-Méthyltransférase 标题: Chemical Compound Useful As Intermediate For Preparing A Catechol-O-Methyltransferase Inhibitor[fr] Composé Chimique Utile En Tant Qu'Intermédiaire Pour La Préparation D'Un Inhibiteur De Catéchol-O-Méthyltransférase 摘要:本文揭示了一种甲基化中间体,可以去甲基化以提供一种对帕金森病治疗中有用的儿茶酚-O-甲基转移酶抑制剂.还公开了制备和使用该中间体的方法.
专利号:WO-2024136689-A1 优先权日:2022-12-23 标题 :Processes and intermediates for synthesising opicapone 发明人:DA SILVA BURGAL JOÃO PORFÃ?RIO; DOS SANTOS SORAIA PATRÃ?CIA PINTO; FILLIGER SARAH; ROBERGE DOMINIQUE; AELLIG CHRISTOF 权利人:BIAL PORTELA & CA SA 摘要:The present invention relates to a method of preparing intermediates for the synthesis of opicapone, which comprises nitration of vanillic acid in an acid anhydride using a nitration agent. The present invention also relates to intermediates for the synthesis of opicapone produced by the process. Furthermore, the invention relates to solutions of intermediates for the synthesis of opicapone in acid anhydride.
专利号:US-2018370958-A1 优先权日:2017-06-27 标题:Route Of Synthesis For Opicapone 发明人:NABOLD CHRISTIAN FRECH; AEBERSOLD CHRISTINE; GRIECO PASQUALE GABRIELE; AESCHBACHER ROMAN GERBER 权利人:AZAD PHARMACEUTICAL INGREDIENTS AG 摘要:The present invention relates to a new route of synthesis for obtaining Opicapone ((4Z)-4-[3-(2,5-dichloro-4,6-dimethyl-1-oxidopyridin-1-ium-3-yl)-2H-1,2,4-oxadia-zol-5-ylidene]-2-hydroxy-6-nitrocyclohexa-2,5-dien-1-one), new intermediates in the reaction path and the new substance 2,5-dichloro-N-hydroxy-4,6-dimethylpyridine-3-carboximidoyl chloride.
专利号:US-2007179100-A1 优先权日:2003-04-09 标 题:Protected monomers 发明人:MANOHARAN MUTHIAH 权利人:MANOHARAN MUTHIAH 摘要:This invention relates to protected monomers for the synthesis of iRNA agents.
专利号:IL-313204-A 优先权日:2021-12-15 标 题:Methods for the synthesis of complement factor d inhibitors
专利号:EP-3421456-A1 优先权日:2017-06-27 标题:New route of synthesis for opicapone
专利号:GB-2563858-A 优先权日:2017-06-27 标 题:New route of synthesis for opicapone
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