Triphenylphosphine promoted addition of dimethyl acetylenedicarboxylate to 1,2-benzoquinones: facile synthesis of novel γ-spirolactones
作者:Vijay Nair、J. Somarajan Nair、A. U. Vinod、Nigam P. Rath
DOI:10.1039/a706272i
日期:——
The addition of dimethyl acetylenedicarboxylate to o-quinones in the presence of triphenylphosphine leading to highly functionalised γ-spirolactones is reported.