Absolute kinetics of mesitylmethylchlorocarbene reactions

Abstract

Absolute rate constants were determined for reactions of mesitylmethylchlorocarbene, which affords intramolecular products derived from 1,2-H migration, 1,2-mesityl migration, and C–H insertion; at -35 or -70 °C, however, the intrusion of intermolecular channels affords azine and carbene dimer, complicating interpretations of the kin-etics.