Alcohol → aldehyde/ketone using (COCl)₂/DMSO/Et₃N at -78°C via alkoxysulfonium ylide. Mild, chemoselective; overcomes Cr-based over-oxidation.
Alcohol → aldehyde/ketone using (COCl)₂/DMSO/Et₃N at -78°C via alkoxysulfonium ylide. Mild, chemoselective; overcomes Cr-based over-oxidation.