(a.) Of, pertaining to, or containing, bromine; -- said of those compounds of bromine in which this element has a valence of five, or the next to its highest; as, bromic acid.
Example Sentences:
Hydrobromic
Definition:
(a.) Composed of hydrogen and bromine; as, hydrobromic acid.
Example Sentences:
(1) The dye is then crystallized by increasing the hydrobromic acid concentration to 0.23 N. Thin-layer chromatography of the purified dyes shows that contamination with related thiazine dyes is absent or negligible.
(2) The epoxy-ring was opened with hydrobromic or hydroiodic acid to give the corresponding 12 alpha-halo-11 beta-alcohols, which were converted to the halo-ketones and finally to methyl 3 alpha,7 alpha-diacetoxy-11-oxo-5 beta-cholan-24-oate.
(3) Its structure was confirmed by a one-step reaction of quinacrine with 48 percent hydrobromic acid.
(4) Thiocyanate could not be used generally for the destruction of nitrosamines; it was also found to be ineffective as an alternative to hydrobromic acid in the estimation of nitrosamines.
(5) A series of 3-(2-chloroethyl)-N-(2-X-ethyl)tetrahydro-2H-1,3,2-oxazaphosphorin -2-amine 2-oxides with various X substituents have been prepared by cyclization of racemic ifosfamide or its enantiomers with sodium hydride and subsequent treatment of intermediary products with hydrobromic acid, diethyl hydrogen phosphate, dibenzyl hydrogen phosphate, p-toluenesulfonic acid, and acetic acid.
(6) Grignard reaction of 11 with cyclopropylmagnesium bromide followed by treatment with hydrobromic acid yielded [4-14C]homofarnesyl bromide (13).
(7) The reaction of pyrilamine with 48% hydrobromic acid yielded 2-(2-dimethylaminoethyl)aminopyridine.
(8) Primary and secondary ion exchanges--of hydrochloric acid and hydrobromic acid salts of well hydrolyzing organic bases as well as quaternary ammonium bromide which are important drug substance--taking place on silica gel using methanol as mobile phase have been investigated by thin-layer chromatographic and spectrophotometric methods.
(9) The resulting 1-[[(dialkylamino)alkyl]amino]-4-methyl-5H-pyrido- [4,3-b]benzo[e]- and -benzo[g]indoles, as well as hydroxy derivatives obtained by demethylation of methoxylated compounds with hydrobromic acid, were tested for antitumor activity in vitro (leukemic and solid tumor cells) and in vivo on various experimental tumor models using the standard NCI protocols.
(10) Treatment of 3-dehydroretinyl acetate with aqueous hydrobromic acid resulted in the formation of retro-3-dehydroretinyl acetate, which, on alkaline hydrolysis, gave the corresponding alcohol.
(11) Dehydration of 2-hydroxy(ethoxy)-2-aryl-N.N-penta(tetra) methylenemorpholinium bromide was achieved either by heating (175 degrees C) the compound with catalytic amounts of hydrobromic acid, or by refluxing the compound in a glacial acetic acid-hydrogen bromide mixture or by treating it with phosphorus tribromide at room temperature.
(12) A concentrated solution oa azure B is obtained by extracting the carbon tetrachloride layer with 4.5 X 10(-4)N hydrobromic acid.
(13) An IOL is dipped in ethanol containing 0.25 ppm propylene oxide (PO) in a 4 mL vial, 2 drops of freshly distilled hydrobromic acid is added through a septum, and the mixture is warmed at 50 degrees C for 24 h. It is then neutralized by vigorous shaking with sodium bicarbonate, dehydrated with anhydrous sodium sulfate, and filtered.
(14) Bromide and thiocyanate are similar in their catalytic effects on nitrosation, and hydrobromic acid in glacial acetic acid is an effective reagent for denitrosation of nitrosamine.
(15) Butyltin compounds (BuTC) were extracted (as bromides) from tissue homogenates with hydrobromic acid and ethyl acetate.
(16) Effective chemicals included benzene, carbon tetrachloride, chloroform, creosote, formaldehyde, hexadecane, hydrobromic acid, sodium lauryl sulfate, and turpentine.
(17) This sampling method uses a hydrobromic acid-coated charcoal tube to collect EtO as its 2-bromoethanol reaction product.
(18) The extract was mixed with a hydrobromic acid solution.
(19) After deprotection of the piperidine nitrogen atom with 48% aqueous hydrobromic acid solution, the title compounds were obtained by three different methods, viz.