New developments in heterocyclic silyl enol ether chemistry: synthesis and Lewis acid-mediated reactions with carbon electrophiles of 2,5-bis(trimethylsiloxy)thiopene and 1-methyl-2,5-bis(trimethylsiloxy)pyrrole
New developments in heterocyclic silyl enol ether chemistry: synthesis and Lewis acid-mediated reactions with carbon electrophiles of 2,5-bis(trimethylsiloxy)thiopene and 1-methyl-2,5-bis(trimethylsiloxy)pyrrole