An effective synthesis of 4-alkynyl-substituted sydnones
Abstract
3-Phenyl-4-trimethylsilylethynylsydnone has been obtained for the first time, and a preparative method for the exchange of a Me3Si-group by an organic substrate from organohalides in the presence of Pd(0)/Cu(I),Et3N and Bun4NF·3H2O is proposed.