Synthesis of Regioselectively
Functionalized Pyrenes via Transition-Metal-Catalyzed
Electrocyclization
D. Barney Walker, Joshua Howgego, Anthony P. Davis* School of Chemistry, University
of Bristol, Cantock’s Close, Bristol, BS8
1TS, UK Fax: +44(117)9298611; e-Mail: Anthony.Davis@bristol.ac.uk;