• Esterifications: Org. Synth. Coll., 3, 146, 203, 610 (1955); 9, 722 (1998). Enamine formation: Org. Synth. Coll., 5, 277, 808 (1973); 6, 520 (1988). Protection of alcohols as their THP ethers: Org. Synth. Coll., 7, 334 (1990). Formation acetals: Org. Synth. Coll., 6, 567 (1988); 8, 155 (1993); 9, 251, 717 (1998), and oxazolidines: Org. Synth. Coll., 9, 300 (1998).
• Adsorbed on silica gel, has been used for the dehydration of sec- and tert-alcohols to alkenes in good yield: Synthesis, 1159 (1985).
• For examples of the numerous applications as an organic-soluble acid catalyst, see: