The epoxide content of the samples was determined by dissolving or suspending the sample in additional DMF, adding sufficient tetraethylammonium-bromide to achieve a 3:1 molar excess of bromide ion to the expected epoxide content and perchloric-acid to initiate the hydrobromination reaction of the epoxide moiety. (cdc.gov)
Tetraethylammonium bromide (TEAB) is a quaternary ammonium compound with the chemical formula C8H20N+Br−, often written as "Et4N+Br−" in the chemical literature. (sacheminc.com)
Cation2
Notably, compound 1 includes a [(C 2 H 5 ) 4 N] + cation, even though the concerned reaction mixture was not treated with any tetraethylammonium salt. (figshare.com)
Although the resulting NH 4 + cation (identified by Nessler's reagent test) is not included in the crystals of compound 1 as a cation, it can be made associated with a crown ether in the isolation of single crystals of compound [NH 4 ⊂B15C5] 3 [PMo 12 O 40 ]·B15C5 ( 2 ), (B15C5 = benzo-15-crown-5). (figshare.com)
Tetramethylammonium1
Tetraethylammonium Tetramethylammonium chloride Entley, William R. (wikipedia.org)
Chloride2
Reaction of the bis(spirodiene) calixarene derivative 9 possessing exocyclic double bonds with tetraethylammonium fluoride or chloride afforded bis(spirodienone) calixarene derivatives substituted by the corresponding halogen atoms (11 and 12). (huji.ac.il)
Which of the following compound will not undergo azo coupling reaction with benzene diazonium chloride. (dkgoelsolutions.com)
Aqueous1
Various tetrabutylammonium salts can also be prepared in aqueous solutions using this compound. (tatvachintan.com)
Cyclic1
The interconversion between these two oxidation states can be switched by addition of O-2 or base (Et4NOH = tetraethylammonium hydroxide), as demonstrated by cyclic voltammetry and UV-visible and EPR spectroscopies. (unl.pt)
Organic compound2
Tetraethylammonium cyanide is the organic compound with the formula (C2H5)4NCN. (wikipedia.org)
September 23, 2021 1-vinyl-2-pyrrolidone is a kind of organic compound, chemical formula is C6H9ON, abbreviated as NVP, it is a colorless or light yellow transparent liquid with a slight odor at room temperature, easily. (njchm.com)
Amine1
Which of the following reagents would not be a good choice for reducing an aryl nitro compound to an amine? (dkgoelsolutions.com)
Acids1
Sparfloxacin, also known as SPFX or zagam, belongs to the class of organic compounds known as quinoline carboxylic acids. (hmdb.ca)
Toxicity1
The treatment of cadmium-poisoned mice with the combination of DMSA (IP) and ZnDTPA (SC) (all the compounds were injected in equimolar dose) decreased the toxicity of cadmium more than treatment with one chelating agents (given in a 2:1 dose). (nih.gov)
Chemicals1
In addition, many plant secondary chemicals or anthropogenic compounds such as salicylate, indigo carmine and the herbicide 2,4,5-trichlorophenoxyacetic acid are organic anions. (silverchair.com)
Derivatives1
We have studied the activation and inhibition of the mouse muscle adult-type nicotinic acetylcholine receptor by tetraethylammonium (TEA) and related quaternary ammonium derivatives. (wustl.edu)
Postoperative reflux gastritis: Pathophysiology and long-term outcome after Roux-en-Y diversion. (forextrading-madeeasy.com)
Reaction2
Crystal structure analysis and 1 H NMR studies of compound 2 have established the presence of an H-bonded NH 4 + ion in compound 2 , thereby established the rearrangement reaction. (figshare.com)
Which of the following compounds will dissolve in an alkali solution after it undergoes reaction with Hinsberg's reagent? (dkgoelsolutions.com)
Group1
This is a particularly important classification of a group of organo-nitrogen compounds, known as amines . (docbrown.info)
Basic1
Sparfloxacin is a very strong basic compound (based on its pKa). (hmdb.ca)
Products1
AsH3, methanol, mercaptans and other S- or a containing organic compounds from ethylene, propylene, C3 - C4 hydrocarbon products and other lights hydrocarbon streams. (allindianpatents.com)
Interest2
Since the potential anticancer activity of auranofin was discovered, gold compounds have attracted interest with a view to developing anticancer agents that follow cytotoxic mechanisms other than cisplatin. (mdpi.com)
A naturally occurring compound that has been of interest for its role in osmoregulation. (harvard.edu)
Studies1
It has been used as the source of tetraethylammonium ions in pharmacological and physiological studies, but is also used in organic chemical synthesis. (sacheminc.com)
Good1
For example, faujasite type zeolites, e.g. zeolite 13X, are good adsorbents for sulfur and oxygenate compounds but they are also good adsorbents for olefins which results in Ugh temperature rise that can cause run-away reactions. (allindianpatents.com)