... Alfons L. Baumstark,*' Tambra Dunams, Peter C. Roskamp, and Catherine E. Wilson Laboratory for MBS, Department of Chemistry, Georgia State University, Atlanta, Georgia 30303 Received July 7, 1982 ... Page 2. 262 J. Org. Chem., Vol. 48, No. 2, 1983 Scheme I I' - \ / i. 0-0 ' ...