Hammett rho of reactions of MeLi with benzophenones

J Org Chem. 2002 Jun 14;67(12):4370-1. doi: 10.1021/jo0111762.

Abstract

Relative rates of reactions of MeLi with benzophenones in diethyl ether at 0 degrees C that furnish methyldiarylmethanols were determined using slow addition of a MeLi solution to solutions containing an excess of two benzophenones. The additions exhibit a Hammett rho of 0.94.