Abstract: The pH-rate profiles for the dienone-phenol rearrangements of spiro [3.5] nona-6, 8- dien-5-one (4), 6-benzyl-6-methyl-2, 4-cyclohexadienone (9, spiro [4.5] deca-7, 9-dien-6- one (9), and 6, 6-dimethyl-2, 4-cyclohexadienone (7) have been determined in aqueous solutions. The rate constants for specific acid catalyzed rearrangements were found to be in the order anticipated from a consideration of migratory aptitudes and the relief of ring ...
