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Mild Lewis acid, often used as its diethyl ether complex; for a brief review of this reagent, see: Synlett, 649 (2002). The complex promotes formation of dithioacetals from aldehydes and dithiols: J. Org. Chem., 59, 4665 (1994), Michael additions of silyl enol ethers: J. Org. Chem., 60, 5024 (1995), and rearrangement of epoxides to carbonyl compounds, giving better selectivity than BF3: J. Org. Chem., 61, 1877 (1996). Efficient catalyst for transesterification of ß-keto esters under near-neutral conditions: Synlett, 1338 (2001)./n
The combination with an acyl anhydride is a powerful acylating agent for aromatic compounds under solvent-free conditions: Tetrahedron Lett., 43, 6331 (2002)./n
See also Lithium trifluoromethanesulfonate, 39322./n
Gefahrenhinweise (EU): H272-H315-H319-H335
May intensify fire; oxidizer. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Take any precaution to avoid mixing with combustibles. Keep away from heat Keep/Store away from clothing/combustible materials. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.