Examples of 'pyridinium' in a sentence
Meaning of "pyridinium"
Pyridinium (noun): Pyridinium refers to a positively charged ion derived from the chemical compound pyridine, often found in organic chemistry reactions and pharmaceutical products
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- The cationic, protonated form of pyridine
How to use "pyridinium" in a sentence
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pyridinium
Pyridinium is the cationic conjugate acid of pyridine.
Pharmaceutical compositions of pyridinium and quinolinium derivatives.
The pyridinium cation is isoelectronic with benzene.
The preferred brominating reagent is pyridinium tribromide.
The use of pyridinium as an ion is a further option.
The preferred oxidizing reagent is pyridinium dichromate.
Pyridinium dichromate is a particularly preferred oxidizing agent.
A preferred method is the action of pyridinium perbromide in tetrahydrofuran.
Pyridinium chlorochromate and manganese dioxide.
Several levels of stearyl pyridinium chloride were also investigated.
A typical material of this type is cetyl pyridinium chloride.
The resulting pyridinium hydrochloride precipitated.
Suitable cationic surfactants include cetyl pyridinium chloride.
Preferred pyridinium salts are salts in combination with halogen.
The structures of pyridine and pyridinium are almost identical.
See also
The pyridinium salt is most preferable.
A white solid of furosemide pyridinium was obtained.
Pyridinium tribromide is a crystalline red solid which is virtually insoluble in water.
General form of the pyridinium cation.
Cetyl pyridinium chloride.
No effort was made to remove accumulating deposits of pyridinium chloride.
An example of a suitable alkyl pyridinium salt is cetyl pyridinium chloride.
A typical example of an organic salt of a sulfonic acid is pyridinium tosylate.
Suitable reagents include pyridinium chromate and pyridinium chlorochromate.
The preferred oxidant for this transformation is pyridinium dichromate.
Methods for measuring pyridinium crosslinks in urine have been proposed.
Other quaternary ammonium compounds include the pyridinium compounds.
This results in a strong pyridinium acid that can initiate polymerization.
Oxidation steps are typically carried out using pyridinium chlorochromate.
On pouring into methanol the pyridinium salt of cellulose hemisuccinate was obtained.
At least one cyanine dye of dimer contains a pyridinium moiety.
The formation of pyridinium ylides from carbenes and pyridine is also studied.
Preferred quaternary ammonium compounds are cetyl pyridinium chloride or benzalkonium chloride.
The precipitated pyridinium salt was filtered off and the solvent evaporated.
The above oxidation can also be performed using pyridinium chlorochromate.
Commonly used pyridinium carriers include substituted nicotinic acid and nicotinamide.
A slight exothermic effect is observed and pyridinium chloride precipitates as it is formed.
Cetyl pyridinium chloride and zinc compounds particularly zinc gluconate are preferred.
The other dye unit contains a pyridinium or a quinolinium ring moiety.
Such a protection step is not necessary for the synthesis of furosemide pyridinium.
This suggests that furosemide pyridinium has a specificity for the striatum.
The quaternization of pyridine with an appropriately substituted bromoacetophenone gives the pyridinium.
The residue was dissolved in MeOH and excess of pyridinium salts were removed by filtration.
Pyridinium tribromide can be obtained by reacting pyridinium hydrobromide with bromine or thionyl bromide.
The reaction product is filtered in order to eliminate the pyridinium chloride precipitate.
The pyridinium and benzyldimethyl ammonium headgroups are not preferred if ionic strength is high.
The reaction mixture is then filtered to remove the pyridinium hydrochloride formed.
Discrete quaternary ammonium or pyridinium antimicrobial molecules usually possess long alkyl chains.
A more preferred halogenating agent for use herein is pyridinium bromide perbromide.
The precipitated pyridinium salt was filtered off and the solvent removed under vacuum.
