Chemoselective Reduction of the Carbonyl Functionality through Hydrosilylation: Integrating Click Catalysis with Hydrosilylation in One Pot
作者:Sudipta Raha Roy、Samaresh Chandra Sau、Swadhin K. Mandal
DOI:10.1021/jo501505j
日期:2014.10.3
corresponding allyl alcohols in good yields. Moreover, when two reducible functional groups such as imine and ketone groups are present in the same molecule, this catalyst selectively reduces the ketone functionality. Further, 1 was used in a consecutive fashion by combining the Huisgen cycloaddition and hydrosilylation reactions in one pot, yielding a range of functionalized triazole substituted alcohols in
在本文中,我们报道了在环境温度下使用负载量低(0.25 mol%)的异常N-杂环卡宾1的铜(I)催化剂通过氢化硅烷化反应在短时间内反应中羰基官能团的化学选择性还原,该催化剂负载量低(0.25 mol%)。α,β-不饱和羰基化合物的氢化硅烷化反应选择性地朝1,2-加成(C = O)进行,从而以高收率得到相应的烯丙醇。此外,当两个可还原的官能团如亚胺和酮基存在于同一分子中时,该催化剂选择性地降低酮的官能度。此外,1 通过在一个锅中结合惠斯根环加成反应和氢化硅烷化反应以连续方式使用三氯甲烷,可产生一系列功能化的三唑取代的醇,收率极高。