1. NATO Postdoctoral Fellow, 1966-1967; Research Associate, 1967.
2. L. H. Klemm, C. E. Klopfenstein, R. Zell, D. R. McCoy, and R. A. Klemm, J. Org. Chem., in press.
3. A third route via 5-nitrothieno[2,3-6] pyridine-7-oxide will be described in a subsequent paper.
4. Direct nitration of 1 will be reported later.