Copper-Catalyzed One-Pot Denitrogenative-Dehydrogenative-Decarboxylative Coupling of β-Ketoacids with Trifluorodiazoethane: Facile Access to Trifluoromethylated Aldol Products
作者:Heng-Ying Xiong、Zhen-Yan Yang、Zhen Chen、Jun-Liang Zeng、Jing Nie、Jun-An Ma
DOI:10.1002/chem.201403073
日期:2014.7.1
novel copper‐catalyzed one‐pot cross‐coupling of β‐ketoacids with in situ generated trifluorodiazoethane has been developed. This reaction provides a direct and efficient method, in which one CC bond and one CO bond were formed in a carbenoid center with concomitant denitrogenation–dehydrogenation–decarboxylation, to afford trifluoromethylated aldol products. In several preliminary experiments, good
已经开发了一种新型的铜催化的β-酮酸与原位生成的三氟重氮乙烷的单锅交叉偶联。该反应提供了一种直接和有效的方法,其中,一种C C键和一种C 形成在伴随脱氮-脱氢-脱羧卡宾中心O键,得到三氟甲基化的醛醇产品。在一些初步实验中,还获得了良好的对映选择性。