A[2+1+1+1]cyclization reaction has been developed for the synthesis of multisubstituted 6-pyrrolidinones from commercially available aryl methyl ketones,primary amines,and ethyl nitroacetate.In this I_(2)-DMSO-meditat...A[2+1+1+1]cyclization reaction has been developed for the synthesis of multisubstituted 6-pyrrolidinones from commercially available aryl methyl ketones,primary amines,and ethyl nitroacetate.In this I_(2)-DMSO-meditated process,the C-NO_(2) bond of ethyl nitroacetate is cleaved,affording a C1 synthon,and the formation of two C-C and two C-N bonds and a quaternary carbon center are constructed in one pot.This method has good substrate compatibility and permits the late-stage modification of pharmaceutical compounds.展开更多
基金supported by the National Natural Science Foundation of China(Grant 22171098)supported by Chengdu Guibao Science&Technology Co.,Ltd.and the 111ProjectB17019.
文摘A[2+1+1+1]cyclization reaction has been developed for the synthesis of multisubstituted 6-pyrrolidinones from commercially available aryl methyl ketones,primary amines,and ethyl nitroacetate.In this I_(2)-DMSO-meditated process,the C-NO_(2) bond of ethyl nitroacetate is cleaved,affording a C1 synthon,and the formation of two C-C and two C-N bonds and a quaternary carbon center are constructed in one pot.This method has good substrate compatibility and permits the late-stage modification of pharmaceutical compounds.