Harnessing solvent– 3 O 2 charge transfer complex for photochemical conversion of phosphines to phosphine oxides: the synergy of light and ambient air

Key Points

• The research aims to explore a catalyst-free method for photo-oxidizing phosphines using a solvent-O2 charge transfer complex.
• Catalyst-free photo-oxidation of phosphines conducted in a green solvent
• Utilized ambient air as the oxidizing agent
• Applied near-UV LED light for excitation
• Achieved high atom economy in the oxidation process
• Demonstrated broad scope for various phosphines
• Enabled gram-scale efficiency in the conversion

Abstract