“…Examples of Truce-Smiles rearrangements occurring through the formation of 5-membered ring spirocyclic Meisenheimer adducts are most common in the literature, including the reactions reported by Dohmori and colleagues, [8][9][10][11][12][13][14][15] the research groups of Truce, 1-4 Drozd, 16,17 Hirota,18,19,[21][22][23]25,27,97 Snape,31 and Wood, 49 as well as with many other isolated 34,35,41,43,94,[99][100][101][103][104][105]110,112 reactions reported (Fig. 8).…”