... Hirosato Kondo,t Shin Aoki, Yoshitaka Ichikawa, Randall L. Halcomb,t Helena Ritzen, and Chi-Huey Wong' Department of Chemistry, The Scripps Research Institute, 10666 North Torrey Pines Road, La Jolla, California 92037 Received August 19, 199P ... J. Org. Chem., Vol. ...