... ST. LOUIS, hT0. [CONTRIBUTION FROM THE ORGANIC CHEMlC.4L RESEARCH ... (1) Presented in part at the Frederick F. Blicke Sym- posium of the Division of Medicinal Chemistry at the ... (2) W. B. Wright, Jr., H. 7. Brabander, and R. A. Hardy, Jr., J. Org. Chem., 26,2120 (1961) ...