57-56-7 + 766-40-5 = 932-22-9 [标题:Reaction Conditions 标题:δα,β-Butenolides. Xii. Reactions Of Mucohalogen Acids With Amides And Sulfonamides 作者:Dambeniece,I.; Karklina,A.; Petrova,M. V.; Gudriniece,E. 参考文献:Latvijas Psr Zinatnu Akademijas Vestis 日期:1989 卷标:(5) 页码:563-9]
766-40-5 = 932-22-9 反应条件:1.1 Reagents: Hydrazine 标题:Functionalization Of 4,5-Dichloropyridazin-3(2H)-One 作者:Sung,Gi Hyeon; Kim,Bo Ram; Ryu,Ki Eun; Yoon,Yong-Jin 参考文献:Journal Of The Korean Chemical Society 日期:2014 卷标:58(1) 页码:140-144]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine,Sulfuric Acid; Heated 标题:Design,Synthesis And Biological Activity Of 5-(Alkoxy)-3(2H)-Pyridazinone Derivatives 作者:Ling,Yun; Li,Hong-Sen; Yang,Xin-Ling; Bao,Han; Qiu,Li-Hong; Et Al 参考文献:Youji Huaxue 日期:2007 卷标:27(6) 页码:763-767]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine,Sulfuric Acid Solvents: Water; Heated 标题:Study On The Synthesis And Bioactivity Of Pyridazinone Derivatives 作者:Li,Hong-Sen; Ling,Yun; Guo,Yu-Lai; Yang,Xin-Ling; Chen,Fu-Heng 参考文献:Youji Huaxue 日期:2005 卷标:25(2) 页码:204-207]
766-40-5 = 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine Sulfate Solvents: Water; 4 H,100 °C 标题:Crystal Structure And Dft Calculations Of 4,5-Dichloropyridazin-3-(2H)-One 作者:Silva,E. F. Jr.; Silva,D. L.; Santos,P. F. S. Jr.; Nascimento,I. J. S.; Silva,S. W. D.; Et Al 参考文献:Journal Of Chemical And Pharmaceutical Research 日期:2016 卷标:8(1) 页码:279-286]
766-40-5 = 932-22-9 反应条件:1.1 Reagents: Hydrazine,Sulfuric Acid Solvents: Water; 12 H,100 °C 标题:Access To 4-Alkylaminopyridazine Derivatives Via Nitrogen-Assisted Regioselective Pd-Catalyzed Reactions 作者:Blaise,Emilie; Kummerle,Arthur E.; Hammoud,Hassan; De Araujo-Junior,Joao Xavier; Bihel,Frederic; Et Al 参考文献:Journal Of Organic Chemistry 日期:2014 卷标:79(21) 页码:10311-10322]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine,Sulfuric Acid; 100 °C 标题:Study On The Synthesis And Bioactivity Of Pyridazinone Derivatives 作者:Li,Hong-Sen; Zhao,Lin-Jing; Tang,Jia-Rong; Cheng,Yi-Zhe; Chen,Jie; Et Al 参考文献:Huaxue Yanjiu Yu Yingyong 日期:2012 卷标:24(11) 页码:1741-1744]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Hydrazine Sulfate Catalysts: Sodium Acetate Solvents: Water; 2 H,Rt -> 100 °C 标题:Thiadiazole Compounds As Pesticides And Their Preparation,Agricultural Compositions And Use In The Control Of Pests 参考文献:China]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Hydrazine Sulfate Catalysts: Sodium Acetate Solvents: Water; Rt -> 100 °C; 2 H,80 - 100 °C 标题:Oxadiazole-3(2H)-Pyridazinone Compounds As Insecticides And Their Preparation,Agrochemical Compositions And Use In The Control Of Insects 参考文献:China]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine Sulfate Solvents: Water; 2 H,80 - 100 °C 标题:Bishydrazide Compound As Insecticide And Its Preparation 参考文献:China]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine Sulfate Solvents: Water; Rt -> 100 °C; 2 H,80 - 100 °C 标题:Preparing Of Pyridazinone Compounds As Insecticides 参考文献:China]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Hydrazine 标题:Synthesis And Pharmacological Study Of A Series Of 3(2H)-Pyridazinones As Analgesic And Antiinflammatory Agents 作者:Santagati,N. A.; Duro,F.; Caruso,A.; Trombadore,S.; Amico-Roxas,M. 参考文献:Farmaco 日期:1985 卷标:40(12) 页码:921-9]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine,Dihydrochloride Solvents: Water; Reflux 标题:Study On New 3-(2H)-Pyridazinones Derivatives 作者:Li,Hong Sen; Zhao,Lin Jin; Tang,Jia Rong; Cheng,Yi Zhe; Chen,Jie; Et Al 参考文献:Advanced Materials Research (Durnten-Zurich 日期:2012 卷标:524 页码:524-527]
= 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine Sulfate Solvents: Ethanol,Water; 4 H,70 °C 标题:Unconventional Site Selectivity In Palladium-Catalyzed Cross-Couplings Of Dichloroheteroarenes Under Ligand-Controlled And Ligand-Free Systems 作者:Norman,Jacob P.; Larson,Nathaniel G.; Entz,Emily D.; Neufeldt,Sharon R. 参考文献:Journal Of Organic Chemistry 日期:2022 卷标:87(11) 页码:7414-7421]
57697-64-0 = 932-22-9 反应条件:1.1 Reagents: Acetic Acid,Hydrazine Sulfate Solvents: Water 标题:Synthesis And Biological Activity Of 5-(Acyl)Hydrazine-3(2H)-Pyridazinone 作者:Ling,Yun; Chen,Haifeng; Liu,Jia; Yang,Xinling 参考文献:Nongyaoxue Xuebao 日期:2009 卷标:11(1) 页码:25-30]
949910-49-0 = 932-22-9 反应条件:1.1 Reagents: Sodium Carbonate,Hydrazine Sulfate Solvents: Water; Rt -> Reflux; 1.5 H,Reflux; Cooled 标题:Studies On Synthesis And Biological Activity Of Pyridazinone Derivatives As α1-Adrenoceptor Antagonist 作者:Xi,Bao-Min; Jiang,Zhen-Zhou; Wang,Tao; Ni,Pei-Zhou 参考文献:Youji Huaxue 日期:2006 卷标:26(11) 页码:1576-1583]
766-40-5 = 932-22-9 反应条件:1.1 Reagents: Sodium Acetate,Hydrazine Sulfate (1:?) Solvents: Water; 4 H,Reflux 标题:Pyridazinones As Glucokinase Activators And Their Preparation,Pharmaceutical Compositions And Use In The Treatment Of Metabolic Disorders 参考文献:World Intellectual Property Organization]
专利号:US-9603951-B2 优先权日:2010-02-08 标题 :Methods and apparatus for synthesizing imaging agents, and intermediates thereof 发明人:LAZEWATSKY JOEL; DEVINE MARYBETH 权利人:LANTHEUS MEDICAL IMAGING INC 摘要:The present invention generally relates to methods and system for the synthesis of imaging agents, and precursors thereof. The methods may exhibit improved yields and may allow for the large-scale synthesis of imaging agents, including imaging agents comprising a radioisotope (e.g., 18 F). Various embodiments of the invention may be useful as sensors, diagnostic tools, and the like. In some cases, methods for evaluating perfusion, including myocardial perfusion, are provided. Synthetic methods of the invention have also been incorporated into an automated synthesis unit to prepare and purify imaging agents that comprise a radioisotope. In some embodiments, the present invention provides a novel methods and systems comprising imaging agent 1, including methods of imaging in a subject comprising administering a composition comprising imaging agent 1 to a subject by injection, infusion, or any other known method, and imaging the area of the subject wherein the event of interest is located.
专利号:US-2009012088-A1 优先权日:2005-07-26 标 题:Compounds for the Treatment of Neurodegeneration and Stroke 发明人:HERGENROTHER PAUL J; PUTT KARSON S; LIU XIANJUN 权利人:HERGENROTHER PAUL J; PUTT KARSON S; LIU XIANJUN 摘要:Compounds and related methods for synthesis, and the use of compounds for the treatment of neurodegenerative diseases are disclosed. Compounds are disclosed in connection with PARG and/or PARP inhibition. Therapeutic applications are relevant for preventing or inhibiting neurological cell death for a variety of neurodegenerative conditions including Parkinson's disease, ischemia, and stroke. Also disclosed is a high-throughput screen for identifying compounds capable of inhibiting PARG and/or PARP.
专利号:US-6800758-B1 优先权日:1998-06-05 标 题:Process for the preparation of a 3(2H)-pyridazinone-4- substituted amino 5-chloro derivative 发明人:NAGY PETER KOTAY; SIMIG GYULA; BARKOCZY JOZSEF; SZTRUHAR ILONA; BALAZS LASZLO; DOMAN IMRE; GREFF ZOLTAN; RATKAI ZOLTAN; SERES PETER; KARANCSI TAMAS 权利人:EGYT GYOGYSZERVEGYESZETI GYAR 摘要:The invention relates to novel processes for the preparation of 5-chloro-4-{3-[N-[2-(3,4-dimethoxyphenyl)-ethyl]-N-methylamino]-propylamino-3(2H) pyridazinone of formula (I) and the pharmaceutically acceptable acid addition salts thereof. An important feature of the invention is using 3,4,5-trichloropyridazone as starting substance of the synthesis.
专利号:RU-2024517-C1 优先权日:1988-12-06 标 题:Method of synthesis of piperazinylalkyl-3-(2h)-pyridazinones or their pharmaceutically acceptable salts
专利号:CN-120136791-A 优先权日:2023-12-11 标 题:Pyridaben intermediate II New synthesis process of chloropyridazinone
专利号:CN-111170991-B 优先权日:2014-07-11 标题 :Antiproliferative compounds and methods of synthesis thereof
[参考文献]: V Krishnakumar, Et Al. Vibrational Spectra And Potential Energy Distributions For 4,5-Dichloro-3-Hydroxypyridazine By Density Functional Theory And Normal Coordinate Calculations. Spectrochim Acta A Mol Biomol Spectrosc. 2005 Sep;61(11-12):2526-32.
合成参考文献
摘要:Cellnik, T.; Jo, W.; Healy, A., Science of Synthesis: Knowledge Updates, (2024) 2, 353. 摘要:Lin, Z.; Tao, R.; Zhao, Y., Science of Synthesis: Knowledge Updates, (2023) 1, 408.