What's the difference between hydrobromate and hydrobromide?

Hydrobromate


Definition:

  • (n.) Same as Hydrobromide.

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.

Hydrobromide


Definition:

  • (n.) A compound of hydrobromic acid with a base; -- distinguished from a bromide, in which only the bromine unites with the base.

Example Sentences:

  • (1) Only p-hydroxy-clonidine-hydrobromide (St 666) induced weak blood pressure decreases after i.v.
  • (2) The pharmacokinetic behaviour of nivalin (galanthamine hydrobromide) and its effect on the contractile response of electrically stimulated m. tibialis anterior were simultaneously studied after an i.v.
  • (3) Refluxing 3a and 3b with 48% HBr afforded the hydrobromide salts of (S)-norcoclaurine [1a] and its (R)-isomer 1b, respectively.
  • (4) This response was mimicked by the serotonin1 agonist, 5-carboxamidotryptamine, as well as by the serotonin1a agonist, 8-hydroxy-dipropyl aminotetralin hydrobromide, and was blocked by spiperone, an antagonist of serotonin1 sites.
  • (5) The 35-year-old man, demonstrating auricular chondritis, arthritis, nasal cartilage involvement, episcleritis and respiratory tract chondritis, was admitted to the hospital and treated with 60 mg of prednisone daily, prednisolone acetate 1% ophthalmic drops every waking hour and homatropine hydrobromide 5% ophthalmic drops twice daily.
  • (6) The features of hypertension produced in the rat by chemical medullectomy with 2-bromoethylamine hydrobromide are described.
  • (7) The lysyl ester analogue p-nitrophenyl alpha-amino-p-toluate hydrobromide was synthesized, and its reactions with thrombin, trypsin, and plasmin were studied by stopped-flow and conventional methods.
  • (8) Galanthamine hydrobromide, an anticholinesterase drug capable of penetrating the blood-brain barrier, was used in a patient demonstrating central effects of scopolamine (hyoscine) overdosage.
  • (9) Antihypertensive activity of 2-amino-4-(3,4-dichlorophenyl)-2-imidazoline hydrobromide (MJ 10459-2) was assessed in conscious, spontaneously hypertensive and stress-induced hypertensive rats via indirect determination of systolic blood pressure.
  • (10) Local application of either 5-methoxy-3(1,2,3,6-tetrahydro-4-pyridinyl)-1H indole succinate (RU24969) or 8-hydroxy-2-(di-n-propylamino)tetralin hydrobromide (8-OH-DPAT) (2.0 nmol perfused over 20 min) increased extracellular DA by 300 and 40%, respectively.
  • (11) Selective ligands for 5-HT1A receptors were either inactive [8-hydroxy-2-(di-n-propylamino)tetralin hydrobromide] or poorly active (spiperone, 4.44).
  • (12) A mixture of human peripheral blood mononuclear cells (PBMC) and 2-aminoethylisothiouronium bromide hydrobromide-treated sheep erythrocytes (EAET) was layered onto Ficoll-Paque without any pretreatment and centrifuged at 600 X g for 2.5 min.
  • (13) Single crystals of guanine hydrobromide monohydrate, in which the guanine base is protonated at N7, were X-irradiated at 8 and 65 K. Using K-band ESR, ENDOR, and field-swept-ENDOR (FSE) techniques, the crystals were studied between 8 K and room temperature.
  • (14) In addition, there is a good agreement between bond distances and bond angles in the X-ray structure of the hydrobromide of 1 and those in the corresponding MMP2 conformation.
  • (15) Salsolinol (1)and 6,7-dihydroxy-1,1-dimethyl-1,2,3,4-tetrahydroisoquinoline hydrobromide (2) were synthesized and their effects at adreno- and cholinoceptors investigated both in vivo and in vitro.
  • (16) The effects of atropine sulfate and scopolamine hydrobromide were investigated on the end-plate current (EPC) of frog sartorius muscle by standard voltage-clamp techniques.
  • (17) We have studied the antitussive effects of two anticholinergic agents, oxitropium bromide (200 micrograms) and ipratropium bromide (80 micrograms), and a combined beta-agonist and anticholinergic preparation containing fenoterol hydrobromide (200 micrograms) and ipratropium bromide (80 micrograms), in 16 normal and ten asthmatic volunteers in a double-blind, randomized, placebo-controlled crossover trial.
  • (18) Methotrexate (MTX) analogues 27a-c bearing 2, omega-diaminoalkanoic acids (ornithine and its two lower homologues) in place of glutamic acid were synthesized by routes proceeding through N2-[4-(methylamino)benzoyl]-N omega-[(1,1-dimethylethoxy)carbonyl]-2, omega-diaminoalkanoic acid ethyl esters and N2-[4-(methylamino)benzoyl]-N5-[(1,1-dimethylethoxy)carbonyl]-2, 5-diaminopentanoic acid followed by alkylation with 6-(bromomethyl)-2, 4-pteridinediamine hydrobromide.
  • (19) A column chromatographic procedure is used to both isolate the drug from tablets and injections and form the hydrobromide salt.
  • (20) However, the C-C-C-C torsion angle in this group is gauche+, which points the cyano group in a direction similar to the direction of the N-Br1 vector observed in the (2-aminoethyl)triphenylphosphonium bromide hydrobromide structure and the C-Br vector in the (3-bromopropyl)triphenylphosphonium bromide structure.

Words possibly related to "hydrobromate"

Words possibly related to "hydrobromide"