Synthesis of Functionalized Tetracyanocyclopentadienides from Tetracyanothiophene and Sulfones
作者:Takeo Sakai、Shohei Seo、Junpei Matsuoka、Yuji Mori
DOI:10.1021/jo401946j
日期:2013.11.1
Tetracyanothiophene and tetracyano-1,4-dithiin react with a leaving group substituted carbon nucleophile such as ethyl benzenesulfonylacetate to afford substituted tetracyanocyclopentadienyl sodium derivatives in moderate to high yields through a putative condensation and desulfurization pathway. Subsequent functional-group transformation reactions on the Cp anion ring provided various C5R(CN)4– derivatives