[PF6]2 As catalyst for the meyer-schuster rearrangement of arylpropargylic alcohols under mild conditions

Article abstract of DOI:10.1002/ejic.201402882

The novel iridium complex [IrCpNCMe₂PPh₂Me][PF₆]₂ I efficiently catalyzed the Meyer-Schuster rearrangement of selected arylpropargylic alcohols into α,β-unsaturated aldehydes under mild conditions and without the need of a co-catalyst. A mechanism involving a hydroxy alkenylcarbene intermediate is proposed. [IrCpNCMe₂PPh₂Me][PF₆]₂ efficiently catalyzes the rearrangement of propargylic alcohols into α,β-unsaturated aldehydes under mild conditions and without the need of a co-catalyst.