A novel and convenient two-step synthesis of ‘reversed’ diamidino
2,5-aryl- and 2,5-azaheterocycle-substituted furans is described.
The key step, a Stille cross-coupling reaction between N-(bromoaryl)arenecarboxamidines and
2,5-bis(tri-n-butylstannyl)furan, is
reported for the first time.
reversed amidines - thioimidates - Stille cross-coupling reaction - furans - N-heterocycles