Thermolytic Rearrangements of 1,l-Cyclopropanedimethanol Disulfonates: Cyclopropylcarbinyl Cations Revisited ... Peter A. Wade' and Paul A. Kondracki Department of Chemistry, Drexel University, Philadelphia, Pennsylvania 19104 ... 1,l-Cyclopropanedimethanol dimethanesulfonate (la) and the corresponding ditosylate lb underwent thermal rearrangement at 110-140 "C after melting. Short reaction time resulted in the formation of mixtures containing ...