A Rapid Entry to Natural and Unnatural Disubstituted Maleic Anhydrides
作者:Robert M. Adlington、Jack E. Baldwin、Rhona J. Cox、Gareth J. Pritchard
DOI:10.1055/s-2002-25344
日期:——
Copper-mediated tandem vicinal difunctionalisation of dimethyl acetylenedicarboxylate, followed in selected cases by oxidation of one of the substituents, provides a versatile and rapid route to a variety of natural and unnatural disubstituted maleic anhydrides.