... 0 1988 American Chemical Society ... Bill J. Baker,' Paul J. Scheuer,*t and James N. Shoolery' Department of Chemistry, Uniuersity of Hawaii at Manoa Honolulu, Hawaii 96822 Varian, Palo Alto, Calijornia ... 0002-7863/88/1510-0965$01.50/0 0 1988 American Chemical Society