P. Gros et al., AGGREGATIVE ACTIVATION AND HETEROCYCLIC CHEMISTRY .3. UNUSUAL REGIOSELECTIVE LITHIATION OF 2-ALKOXY-PYRIDINES, Tetrahedron letters, 36(27), 1995, pp. 4791-4794
2-alkoxypyridines were regioselectively metalated on the C-6 position
with [1/1] BuLi / Me(2)N(CH2)(2)OLi agregates. The corresponding 6-lit
hio derivatives were reacted with various electrophiles leading to the
corresponding 6-substituted 2-alkoxypyridines in very good yields.