A NHC-catalyzed 1,3-dipolar cycloaddition reaction of allyl ketones with azides: direct access to 1,4,5-trisubstituted 1,2,3-triazoles
作者:Huijun Yuan、Lili Zhang、Zhantao Liu、Yang Liu、Jian Wang、Wenjun Li
DOI:10.1039/c7ob00906b
日期:——
A NHC-catalyzed 1,3-dipolar cycloaddition reaction of allyl ketones with azides has been developed. This strategy could generate 1,4,5-trisubstituted 1,2,3-triazoles in high yields and regioselectivities in the presence of a 20 mol% N-heterocyclic carbene catalyst. A broad substrate scope of this process is also presented.
已开发出NHC催化的烯丙基酮与叠氮化物的1,3-偶极环加成反应。在存在20mol%的N-杂环卡宾催化剂的情况下,该策略可以高产率和区域选择性地生成1,4,5-三取代的1,2,3-三唑。还提出了该方法的广泛的基材范围。