奎宁环-3-醇置于n-甲基咪唑,四(乙腈)三氟甲磺酸铜(I),4,4'-二甲氧基-2,2'-联吡啶,Abno,氧气,盐酸体系中,用 乙腈,乙醚 用作溶剂,化学反应 2.0H,以82%的收率获得3-奎宁环酮盐酸盐
参考文献:Copper(I)/abno-Catalyzed Aerobic Alcohol Oxidation: Alleviating Steric And Electronic Constraints Of Cu/tempo Catalyst Systems
标题:Copper(I)/abno-Catalyzed Aerobic Alcohol Oxidation: Alleviating Steric And Electronic Constraints Of Cu/tempo Catalyst Systems
摘要:Cu/tempo Catalyst Systems Promote Efficient Aerobic Oxidation Of Sterically Unhindered Primary Alcohols And Electronically Activated Substrates,But They Show Reduced Reactivity With Aliphatic And Secondary Alcohols. Here,We Report A Catalyst System,Consisting Of ((Meo)Bpy)Cu-I(Otf) And Abno ((Meo)Bpy = 4,4'-Dimethoxy-2,2'-Bipyridine; Abno = 9-Azabicyclo[3.3.1]Nonane N-Oxyl),That Mediates Aerobic Oxidation Of All Classes Of Alcohols,Including Primary And Secondary Allylic,Benzylic,And Aliphatic Alcohols With Nearly Equal Efficiency. The Catalyst Exhibits Broad Functional Group Compatibility,And Most Reactions Are Complete Within 1 H At Room Temperature Using Ambient Air As The Source Of Oxidant.
Doi:10.1021/ja409241H