Mechanochemical Simmons-Smith cyclopropanation via ball-milling-enabled activation of zinc(0)

The bulk solvent-free synthesis of cyclopropanes via a ball-milling-enabled Simmons-Smith reaction is herein described. Harnessing the use of mechanochemical techniques to activate zinc(0), this, all under air and operationally simple protocol, allows the synthesis of a wide range of cyclopropane structures and scale up to enable gram-scale.

Automated summary

This study presents a solvent-free method for synthesizing cyclopropanes via a ball-milling-enabled Simmons-Smith reaction. By utilizing mechanochemical techniques to activate zinc(0), this protocol, which is simple to operate under air, enables the synthesis of various cyclopropane structures and gram-scale production.