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3-bromo-4-nitropyridine (S)-tert-butyl (1-(4-nitropyridin-3-yl)piperidin-3-yl)carbamate N-(3-(1H-pyrazol-1-yl)pyridin-4-yl)-2,3-dichlorobenzenesulfonamide 3-fluoro-pyridin-4-ylamine 合成工艺路线路线简述
- 合成目标产物 3-Fluoro-4-Nitropyridine 主要起始原料 3-Bromo-4-Nitropyridine
- (文献来源)合成步骤主要原料 3-Bromo-4-Nitropyridine
📜3-溴-4-硝基吡啶置于四丁基氟化铵体系中,用 四氢呋喃,二甲基亚砜 用作溶剂,化学反应生成3-氟-4-硝基吡啶,3-溴-4-氟吡啶
参考文献:Synthesis Of Meta-Substituted [18F]-3-Fluoro-4-Aminopyridines By Direct Radiofluorination Of Pyridine N-Oxides
标题:Synthesis Of Meta-Substituted [18F]-3-Fluoro-4-Aminopyridines By Direct Radiofluorination Of Pyridine N-Oxides
摘要:本文披露了一种用于含有至少一个脱离基团的芳香n-杂环n-氧化物的氟化方法.这些n-氧化物可以被还原为氟化芳香n-杂环胺类似物.这种新颖的氟化方法可以成功地用于合成标记有18F的芳香n-杂环化合物.
海关参考信息
- 2933310010-吡啶
2904209090-其他仅含硝基或亚硝基衍生物
2939800000-其他生物碱 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
- 详情请参考:📖 海关编码查询和海关进出口税则
专利信息
专利号:US-2017355648-A1
优先权日:2016-04-26
标题 :Synthesis of meta-substituted [18f]-3-fluoro-4-aminopyridines by direct radiofluorination of pyridine n-oxides
专利号:US-10160695-B2
优先权日:2016-04-26
标 题 :Synthesis of meta-substituted [18F]-3-fluoro-4-aminopyridines by direct radiofluorination of pyridine N-oxides
发明人:BRUGAROLAS PEDRO
权利人:UNIV CHICAGO
摘要:Disclosed herein are methods for the fluorination aromatic N-heterocyclic N-oxides that comprise at least one leaving group. The N-oxides may be reduced to the fluorinated aromatic N-heterocyclic amine analogs. This novel fluorination approach may be successfully applied for synthesizing aromatic N-heterocyclic compounds labeled with 18 F.
专利号:US-8362019-B2
优先权日:2008-02-01
标 题:Synthesis and anti-proliferative effect of substituted imidazo[4,5-b]pyrazine compounds
发明人:WINFIELD LEYTE L
权利人:SPELMAN COLLEGE; WINFIELD LEYTE L
摘要:This invention provides for compounds, compositions, and methods that involve anti-proliferative and anti-neoplastic activity in cancer cells. In particular, a series of benzimidazole, purine, imidazopyridine, and imidazopyrizine compounds having selected substitution patterns are disclosed, and the activity of various subject compounds is demonstrated. In particular, the disclosure provides for substituted imidazo[4,5-b]pyrazine compounds having the general formula n ntheir salts, pharmaceutical compositions, and methods of treatment using the subject compounds and compositions.
专利号:US-2012095009-A1
优先权日:2008-02-01
标题 :Synthesis and anti-proliferative effect of benzimidazole derivatives
专利号:US-2012095037-A1
优先权日:2008-02-01
标题:Synthesis and anti-proliferative effect of benzimidazole derivatives
专利号:US-8334302-B2
优先权日:2008-02-01
标题:Synthesis and anti-proliferative effect of substituted imidazo[4,5-b]pyridine compounds