If\\-e have reccnrl]-found conditions whereby cr-silylcarbonium ions can be readily generated and where. dependin g on the structure and! or conditions, they may be caused to cleanl>-rearrange with phenyl migration from silicon to carbon, or alternativeI?-, to cleanly effect electrophilic substitution of an aromatic compound. Table I summarizes briefI>-our findings to date. &ilyldiphenylcarbinols, preferentially in a re! ati\-el_v non-b&c solvent, are ...