... In order to simplify the chemistry, an initial attempt was made to reduce the carbonyl group in 7 using the modified Wolf-Kishner procedure. ... (3) С H. Womack, RT Gampe, Jr., BK Lemke, TL Lemke and G. E. Martin, /. Heterocyclic Chem., accepted. ... J. Chem., 22, 563 (1969). ...