1. H. Y. Yale in Pyridine and its Derivatives, Part 2, ed. E. Klingsberg, Interscience, New York, 1961.
2. Chemistry of the Benzylpyridines. II. Nuclear Substituted 2-Benzylpyridines1
3. For a discussion of the problems encountered in α-metallation of pyridine see: Comprehensive Heterocyclic Chemistry, ed. A. R. Katritzky and C. W. Rees, Pergamon Press Ltd., Oxford, 1984, vol. 2;
4. D. Price , B.Iddon and B. J.Wakefield, Bromine Compounds: Chemistry and Applications, Elsevier, Amsterdam, 1988.
5. Regioselectiveo-Lithiation of 3-Alkoxypyridines; A Convenient Route to Newo-Disubstituted Pyridines