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.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
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.
Solubility
Reacts with water.
Notes
Moisture & Light Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents, light, moisture, bases.
RUO – Research Use Only
General References:
- 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.