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It is an excellent demethylating or dealkylating agent for the cleavage of ethers, also with subsequent cyclization, often in the production of pharmaceuticals. The use of boron tribromide for effecting complete demethylation of aryl methyl ethers at, or below, room temperature. Phase-Vanishing Reactions that Use Fluorous Media as a Phase Screen. Facile, Controlled Bromination of Alkenes by Dibromine and Dealkylation of Aromatic Ethers by Boron Tribromide.
J.F.W. McOmie,; M.L. Watts,; D.E. West. Demethylation of aryl methyl ethers by boron tribromide. Tetrahedron. year of publication , 24 (5),2289-2292.
Arthur M. Felix. Cleavage of protecting groups with boron tribromide . J. Org. Chem. 1974, 39 (10),1427-1429.
해저드 설명서 (EU): H225-H300-H330-H314-H318-H336-H304
Highly flammable liquid and vapour. Fatal if swallowed. Fatal if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage. May cause drowsiness or dizziness. May be fatal if swallowed and enters airways.
주의 설명서: P301+P310a-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501a
IF SWALLOWED: Immediately call a POISON CENTER/doctor IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.