Surface-Assisted Selective Air Oxidation of Phosphines Adsorbed on Activated Carbon
John C. Hoefler,
Devin Jackson,
Janet Blümel
Abstract:Trialkyl- and triarylphosphines readily adsorb onto the
surface
of porous activated carbon (AC) even in the absence of solvents through
van der Waals interactions between the lone electron pair and the
AC surface. This process has been proven by solid-state NMR techniques.
Subsequently, it is demonstrated that the AC enables the fast and
selective oxidation of adsorbed phosphines to phosphine oxides at
ambient temperature in air. In solution, trialkylphosphines are oxidized
to a variety of P(V) species when ex… Show more
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