Reagent for cleavage of tert-butyldimethylsilyl ethers in MeCN/CH2Cl2: Tetrahedron Lett., 21, 35 (1980). In dry acetonitrile, it is useful for the cleavage of 2-(TMS)ethyl protected glycosides: Tetrahedron Lett., 22, 4603 (1981). Catalyzes the regioselective azidolysis of epoxides with sodium azide in wet tert-butanol: Synth. Commun., 33, 999 (2003). Formation of THP ethers from alcohols is catalyzed by LiBF4 in acetonitrile: Synlett, 1261 (1999).