Difluoromethyl ethers are formed through mechanochemical reactions of alcohols with difluorocarbene in a mixer mill.The protocol could be applied to primary,secondary,and tertiary alcohols,yielding the corresponding p...Difluoromethyl ethers are formed through mechanochemical reactions of alcohols with difluorocarbene in a mixer mill.The protocol could be applied to primary,secondary,and tertiary alcohols,yielding the corresponding products in excellent yields(up to 99%)after 1 h reaction time at room temperature.The transformations proceeded under solvent-free reaction conditions,followed by product purification by filtration,which drastically reduced the amount of waste generated during the process.展开更多
基金research was made possible by the generous support of the Rhine-Westphalia Technical University of Aachen(RWTH Aachen University)We also acknowledge the Alexander von Humboldt Foundation for support of K.R.(AvH research award).
文摘Difluoromethyl ethers are formed through mechanochemical reactions of alcohols with difluorocarbene in a mixer mill.The protocol could be applied to primary,secondary,and tertiary alcohols,yielding the corresponding products in excellent yields(up to 99%)after 1 h reaction time at room temperature.The transformations proceeded under solvent-free reaction conditions,followed by product purification by filtration,which drastically reduced the amount of waste generated during the process.