Tri-n-butylphosphonium tetrafluoroborate, 99%

Technical Notes:
1. Air-stable, non-pyrophoric precursor of the Tri-n-butylphosphine ligand which is used in a variety of catalytic processes.
2.Catalyst in Baylis-Hillman reactions.
3.Azide reductions.
4.Acylation of alcohols by anhydrides.
5.L igand for formate reduction of allyl carbonates.
6.Synthesis of aromatic nitriles via Pd C-H functionalization.
References:
1Org. L ett., 2001, 3, 4295.
2.Org. L ett., 2003, 5, 3391.
3.J. Am. Chem. Soc., 2007, 129, 15372.