tribromide


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tribromide

(trī-brō′mīd) [Gr. treis, three, + bromos, stench]
A compound having three atoms of bromine in the molecule.
References in periodicals archive ?
Two equivalent of boron tribromide was used for the deprotection reaction.
62 mmol) in anhydrous dichloromethane at -10[degrees]C was added boron tribromide in dichloromethane dropwise (2M, 0.
Boron tribromide was obtained from Acros (Morris Plains, NJ, USA).
In a flask with a drying tube filled with calcium chloride, a solution of hydrolysis product (20 mg) in 10 ml of freshly distilled dichloromethane was added to a solution of boron tribromide (1 ml) in 5 ml of dichloromethane and reacted for 1 h at -80[degrees]C.
Demethylation of aryl methyl ethers by boron tribromide.
2-Amino-3-carboxylic acid pyridinium tribromide salt (V).
Table-4: a-monobromination of acetophenone and acetyl carbazole derivatives by N-methyl morpholinium tribromide salt in THF.
2-Hydroxy-3,3',4,4'-TCB (2-OH-CB 77), 5-hydroxy-3,3',4,4'-TCB (5-OH-CB 77), and 4-hydroxy-2,3,3',4'-TCB (4-OH-CB 56) were synthesized by the Cadogan coupling (22,23) of 3,4-dichloroaniline with 2,3-dichloroanisole and subsequent demethylation of the methoxy PCBs with boron tribromide.
First, the degree of deprotection of the hydroxyl group can be controlled by modifying the amount of boron tribromide used.
5 h in the dark, solvent and excess bromine were removed in vacuo, solid material was crystalised (hexane/dichloromethane) to yield the tribromide 2a and 2b.
5 mmol), yielded the yellow crystal of tribromide (0.
The treatment of benz[f]indan-1-one with excess amount of NBS in PEG 400 assisted by SiO2 at room temperature for 6 days yielded tribromide 6 in a yield of 62%.