... JOSEPH B. LAMBERT AND ROBERT G. KESKE~ Department of Chemistry, Northwestern University, Evanatm, Illinois 60201 Received April 26, 1966 ... (2) C. R. Johnson and D. McCants, Jr., J. Am. Chem. SOC., 86, 2935 (1964). (3) J. C. Martin and JJ Uebel, ibid.. ...