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 ?
Boron tribromide ([greater than or equal to] 99%) was purchased from Acros; 4,4'-difluorobenzophenone ([greater than or equal to] 97%) was purchased from Yanji Chemical Plant and distilled before use; 4,4'-bismaleimidodiphenylmethane (BMDM, [greater than or equal to] 95%) was purchased from Hengxing Chemical Industrial Technology Company; 5-methoxyresorcinol ([greater than or equal to] 98%), 3,5-dimethoxyphenol ([greater than or equal to] 99%), and 2,2'-diallylbisphenol A (DBA, [greater than or equal to] 85%) were purchased from Sigma-Aldrich.
A new synthetic protocol developed by a research team from UNIST, a leading Korean university, has revealed that boron/nitrogen co-doping is only feasible when carbon tetrachloride (CCl4) is treated with boron tribromide (BBr3) and nitrogen (N2) gas.
Intramolecular cyclization was achieved through the reaction of the isoxazole ring with pyridinium tribromide.
The methyl ether in 10 was deprotected with boron tribromide with reaction temperatures belowC0 to liber ate phenol 11 (yields 35%-50%).
Bromination of Alkenes and Related Compounds by Use of Benzyltrimethylammonium Tribromide in Aprotic and Protic Solvents".
In the present studies, ICT and DICT were synthesized from ICA via hydrolysis by cellulase and demethylation by boron tribromide, respectively, and their estrogen-like activities were assessed for the first time by measuring the relative proliferative effects (RPE) and progestogen receptor (PR) mRNA expression of estrogen receptor (ER) positive MCF-7 cells in vitro.
The hydroxylated PCBs were synthesized using the Suzuki coupling of chlorobenzene boronic acids with bromochloro anisoles followed by demethylation with boron tribromide.
However, researchers at Shandong University in Jinan, China, have recently synthesized 30nm-wide BN crystals at only 480[degrees]C in atmospheric pressure, using boron tribromide and lithium nitride within a benzene solvent.
However, researchers at Shandong University in Jinan, China, have recently synthesized 3Onm-wide BN crystals at only 480[degrees]C in atmospheric pressure, using boron tribromide and lithium nitride within a benzene solvent.
The benzyl groups of 6 were removed by boron tribromide in dichloromethane and replaced with mesyl groups resulting in compound 8.
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.