... Robert E. Gawley,* Qianhui Zhang, and Silvio Campagna Department of Chemistry, University of Miami Coral Gables, Florida 33124-0431 Received April 24, 1995 Reuised Manuscript Receiued October 6, 1995 The [2,3 ... 0 1995 American Chemical Society Page 2. ... Soc., Vol. ...