... JL Slightom and D. W. Bolen* Contribution from the Department of Chemistry and Biochemistry, Southern Illinois University, Carbondale, Illinois 62901. ... 0002-7863/80/ 1502-63 18$01 .OO/O 0 1980 American Chemical Society Page 2. ... Chem. SOC., Vol. 102, No. 20, 1980 10.0- ...