A range of methylthio-substituted acetylenes undergo smooth palladium-catalyzed
cross-coupling reactions with functionalized aryl-, heteroaryl-,
and alkylzinc reagents using the Pd(OAc)2/DPE-Phos
catalytic system at 25 or 50 ˚C without the need for copper
salts.
alkynes - cross-coupling - organometallic reagents - palladium - zinc