Abstract
β‐Ionone was oxidized with O2 under solvent‐free conditions catalyzed by an N‐hydroxyphthalimide/Co(acac)2 system in mild conditions with high conversion and excellent selectivity to oxo‐β‐ionone or 5,6‐epoxy‐β‐ionone in different reaction conditions, respectively.
Acknowledgments
Financial support from the National Natural Science Foundation of China (No. 50573019) is gratefully acknowledged.