Ph<sub>3</sub>PO-Catalyzed\nReductive Deoxygenation\nof Alcohols

Reductive\ndeoxygenation of alcohols is particularly challenging\nbecause of the high bond dissociation energy of the C–OH bond\nand the poor leaving ability of the hydroxyl group. Herein we describe\na Ph<sub>3</sub>PO-catalyzed reductive deoxygenation of benzyl\nalcohols with PhSiH<sub>3</sub> under an air atmosphere within 30\nmin of reaction time. The use of catalytic loading of Ph<sub>3</sub>PO enhances the practicality of this protocol.