4-氰基吡啶置于四溴化碳体系中,用 四氢呋喃 用作溶剂,化学反应 1.5H,反应生成3-溴-4-氰基吡啶 参考文献:Synthesis Of Ortho-Substituted Cyanopyridines Through Lithio Intermediate Trapping 标题:Synthesis Of Ortho-Substituted Cyanopyridines Through Lithio Intermediate Trapping 摘要:Ortholithiation Of 4-Cyanopyridine Using 2,2,6,6-Tetramethylpiperidide (Litmp) And Trapping The Lithio Intermediate With Electrophiles Represents An Efficient And Straightforward Access To Ortho-Substituted-4-Cyanopyridines. The Cyano Group Can Be Used As An Ortho-Directing Group And Allows The Preparation Of 3-Halogeno-4-Cyanopyridines. Reactivity Of 2-And 3-Cyanopyridines Is Also Investigated And Seems To Give Similar Results. (C) 2004 Elsevier Ltd. All Rights Reserved. Doi:10.1016/j.Tetlet.2004.11.021
专利号:WO-2014035829-A1 优先权日:2012-08-31 标题:Substituted 3-aminothieno[2,3-c]pyridine-2-carboxamide analogs as positive allosteric modulators 发明人:LINDSLEY CRAIG W; CONN P JEFFREY; WOOD MICHAEL R; POSLUSNEY MICHAEL S; BRIDGES THOMAS M; Daniels john s 权利人:UNIV VANDERBILT 摘要:In one aspect, the invention relates to substituted 3-aminothieno[2,3-c]pyridine-2- carboxamide analogs, derivatives thereof, and related compounds, which are useful as positive allosteric modulators of the muscarinic acetylcholine receptor M4 (mAChR M4); synthesis methods for making the compounds; pharmaceutical compositions comprising the compounds; and methods of treating neurological and psychiatric disorders associated with muscarinic acetylcholine receptor dysfunction using the compounds and compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
参考文献:10.1055/s-0036-1591953 摘要:Erb W, Mongin F, Brikci-Nigassa N, Bentabed-Ababsa G. In Situ ‘Trans-Metal Trapping’: An Efficient Way to Extend the Scope of Aromatic Deprotometalation. Synthesis. 2018 Mar 08;50(18):3615–33. doi: 10.1055/s-0036-1591953.