The use of propargylic esters in Au-based catalysis results in the synthesis of an impressive variety of products as a function of the pendant groups’ functionalities. Skeletal rearrangement by 1,2- and 1,3-migration results in gold-carbene and allene intermediates, respectively.
Propargylic esters in gold catalysis: Access to diversity
Angew. Chem. Int. Ed. 2007, 46, 2750-2752.