Reaction of Dicarbomethoxycarbene with Thiophene Derivatives
作者:William S. Jenks、Melanie J. Heying、Stacey A. Stoffregen、Erin M. Rockafellow
DOI:10.1021/jo802823s
日期:2009.4.3
Photolysis of derivatives of dimethylmalonate thiophene-S,C-ylide provides dicarbomethoxycarbene, which can react with thiophene to form dimethyl (2-thienyl)malonate. By generation of dicarbomethoxycarbene from the dibenzothiophene-based ylide in neat thiophene, it is shown that the thienylmalonate is not a product of rearrangement of the thiophene ylide, in contrast to thermolysis results. Formation
Oxidative-substitution reactions of electron-rich aromatic compounds with BF3-activated iodonium ylides
作者:Sanjay Telu、Semih Durmus、Gerald F. Koser
DOI:10.1016/j.tetlet.2006.12.132
日期:2007.3
The treatment of electron-richaromatic substrates with phenyliodonium bis(carbonyl)methylides in the presence of Et2O·BF3 leads to bis(carbonyl)alkylation of the aromatic nucleus.