The described method provides an efficient cyanation reaction of thiophene halides
using tris(dibenzylidene-acetone)dipalladium(0), 1,1′-bis-(diphenylphosphino)ferrocene)
and zinc powder as the catalyst system and Zn(CN)2 as the cyanide source. Several thiophenes with various substituents are effectively
cyanated under these conditions.
nitriles - thiophene - palladium - catalysis - cyanation