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. 2018 Nov 1;54(88):12467-12470.
doi: 10.1039/c8cc06564k.

Phosphorous(v) Lewis acids: water/base tolerant P3-trimethylated trications

J M Bayne  1 , V Fasano, K M Szkop, M J Ingleson, D W Stephan
Affiliations

Phosphorous(v) Lewis acids: water/base tolerant P3-trimethylated trications

J M Bayne et al. Chem Commun (Camb). .

Abstract

The water/base intolerance of the previously reported electrophilic phosphonium cations has been overcome by replacing the labile electron-withdrawing groups generally attached to phosphorus (e.g. -F, -OAr, -CF3) with methyl groups. Tri-phosphorus(v) tricationic species, accessible in one-pot from commercially available materials, are air and water/base tolerant, yet are sufficiently Lewis acidic for catalysis.

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