NITROXIDE SYNTHESIS USING THE METHYLTRIOXORHENIUM HYDROGEN-PEROXIDE SYSTEM

Some secondary amines of varying structural type have been oxidized by the methyltrioxorhenium/hydrogen peroxide system to the corresponding nitroxides in excellent yield. These results, coupled with our earlie r work using this system, indicate the striking parallel between this chemistry and that of the dioxiranes. While the yields in the dioxiran e and methyltrioxorhenium/hydrogen peroxide methods are comparable, th e latter method must be regarded as superior since it is catalytic. (C ) 1998 John Wiley & Sons, Inc.