Substituted 3(2<i>H</i>)-Furanones by a Tandem Michael Addition/Palladium-Catalyzed Ring-Closing Protocol
作者:Jubi John、Henning Hopf
DOI:10.1002/ejoc.201201253
日期:2013.2
synthesis of substituted 3(2H)-furanones from activated alkenes and 4-chloroacetoacetate was developed. The first step of the tandem reaction is the Michaeladdition of an acetoacetate to the alkene followed by palladium-catalyzed ring closure of the adduct to form the furanone. The reaction was extended to a number of substituted alkenes, and the corresponding substituted 3(2H)-furanones were obtained