Abstract
Dimethylsulfoxide (DMSO) oxidizes benzyl ethers into corresponding benzaldehydes at 110°C; the reaction is accelerated by 49% aq. HBr. The conditions work well for different aryl‐substituted benzyl ethers. This protocol is inert toward dialkyl ethers.
Acknowledgment
Ramesh Naik acknowledges the Bangalore University for financial assistance and the Deptartment of Organic Chemistry and NMR Research Center, Indian Institute of Science, Bangalore, for recording NMR spectra.