专利号:US-5567830-A 优先权日:1994-02-14 标题 :Process for synthesis of acetylenic carbinols 发明人:UPASANI RAVINDRA B 权利人:COCENSYS INC 摘要:A method for the preparation of an acetylenic alcohol by reaction of 1,2-dibromoethylene with an alkyl, aryl an heteroaryl lithium in an inert solvent, followed by reaction with a carbonyl-containing compound to give an acetylenic alcohol is disclosed.
参考标题:Pd-Catalyzed Alkene Difunctionalization Reactions Of Enolates For The Synthesis Of Substituted Bicyclic Cyclopentanes 作者:Evan C. Bornowski,Elsa M. Hinds,Derick R. White,Yusuke Nakamura,John P. Wolfe |发布日期:2019.8.16 摘要:Palladium-Catalyzed Alkene Difunctionalization Reactions Between Alkenes Bearing Tethered Aryl Or Alkenyl Triflates And Enolate Nucleophiles Are Described. The Transformations Form Two C-C Bonds, A Ring, And Up To Two Stereocenters While Producing Substituted Cyclopentane Derivatives That Contain Appended Carbonyl Functionality. Products Are Formed With Up To >20:1 Diastereoselectivity, And The Formation
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