Tl. Ho et Py. Liao, REDUCTIVE REARRANGEMENT OF 5-NITROBICYCLO[2.2.1]HEPT-2-ENES - FORMATION OF 3-ARYLPYRIDINES, Tetrahedron letters, 35(14), 1994, pp. 2211-2212
Treatment of 6-aryl-5-nitrobicyclo[2.2.1]hept-2-enes with tin(II) chlo
ride in refluxing THF or dioxane gave 3-arylpyridines via a deep-seate
d rearrangement.