CAS: 1122-61-8; 4-Nitropyridine

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📜4-甲基吡啶置于双氧水,溶剂黄146体系中,化学反应 18.0H,反应生成4-硝基吡啶
参考文献:一种4-吡啶甲醛的合成方法
标题:一种4-吡啶甲醛的合成方法
摘要:本发明涉及机化学领域,具体的说是一种4‑吡啶甲醛的合成方法,包括以下步骤:1,以4‑甲基吡啶为原料,在酸性条件下,通过氧化反应得到4‑吡啶氮氧化物;2,所述4‑吡啶氮氧化物通过醋酐酰化重排合成乙酸‑4‑吡啶甲酯;3,所述乙酸‑4‑吡啶甲酯水解得到4‑吡啶甲醇;4,所述4‑吡啶甲醇通过氧化反应得到4‑吡啶甲醛.采用上述合成方法后,本发明以4‑甲基吡啶为原料,经n‑氧化,重排,水解后得到4‑吡啶甲醇,然后进一步氧化得到4‑吡啶甲醛.本发明的合成方法总收率高,原料价格便宜,反应时间短,条件温和,工艺操作简单.

专利信息

专利号:WO-2017185324-A1
优先权日:2016-04-29
标 题 :Group 8 transition metal catalysts and method for making same and process for use of same in olefin disproportionation reactions
发明人：VERPOORT FRANCIS WALTER CORNELIUS
权利人:XIA LING
摘要:These catalyst compounds are represented by the formula (I and VI): wherein M is a Group 8 metal; X is an anionic ligand; L is a neutral two-electron donor ligand; A is a monotopic or ditopic chelating ligand. The present invention also relates to an easy applicable catalyst synthesis and the application in different olefin metathesis processes, e.g. Reaction Injection Molding (RIM), rotational molding, vacuum infusion, vacuum forming, process for conversion of fatty acids and fatty acid esters or mixtures thereof, in -olefins, dicarboxylic acids or dicarboxylic esters, etc.

专利号:US-10160828-B2
优先权日:2014-07-03
标 题:Group 8 transition metal catalysts and method for making same and process for use of same in metathesis reaction
发明人：VERPOORT FRANCIS W C
权利人:GUANG MING INNOVATION COMPANY WUHAN
摘要:Metal catalyst compounds are disclosed. The catalyst compound are represented by the formula (I-II and VII): wherein M is a Group 8 metal; X is an anionic ligand; L is a neutral two electron donor ligand; K 2 (A-E) is a ditopic or multitopic ligand. Also disclosed is an easy applicable catalyst synthesis and the application in different olefin metathesis processes, e.g. Reaction Injection Molding (RIM), rotational molding, vacuum infusion, vacuum forming, process for conversion of fatty acids and fatty acid esters or mixtures thereof, in -olefins, dicarboxylic acids or dicarboxylic esters, etc.

专利号:US-9090629-B2
优先权日:2010-11-03
标题:Cytotoxic agents comprising new ansamitocin derivatives
发明人：CHARI RAVI V J; WIDDISON WAYNE C; WILHELM SHARON D
权利人:CHARI RAVI V J; WIDDISON WAYNE C; WILHELM SHARON D; IMMUNOGEN INC
摘要:New ansamitocin derivatives bearing a linking group are disclosed. Also disclosed are methods for the synthesis of these new ansamitocin derivatives and methods for their linkage to cell-binding agents. The ansamitocin derivative-cell-binding agent conjugates are useful as therapeutic agents, which are delivered specifically to target cells and are cytotoxic. These conjugates display vastly improved therapeutic efficacy in animal tumor models compared to the previously described agents.

专利号:US-2011319628-A1
优先权日:2010-06-08
标题 :One-pot process for the synthesis of dalfampridine

专利号:CN-105457680-B
优先权日:2015-11-18
标题 :A Cu Composite Catalyst for Oxidative Carbonylation Synthesis of Alkyl Carbonates

专利号:CN-105457680-A
优先权日:2015-11-18
标题 :A Cu Composite Catalyst for Oxidative Carbonylation Synthesis of Alkyl Carbonates