•
Has been dimetallated with the hindered base Li tetramethylpiperidide. The resulting dilithio species reacts with benzynes (from bromobenzenes and the same base), providing a route to (E)-4-aryl-2-methyl-3-butenoic acids: Synth. Commun., 26, 963 (1996):

• Alcohols protected as tiglate esters can be cleaved by osmium tetroxide - periodate to the more readily hydrolyzed pyruvate esters: J. Org. Chem., 27, 3103 (1962).