Examples of 'tetrabutylammonium' in a sentence
Meaning of "tetrabutylammonium"
Tetrabutylammonium is a quaternary ammonium compound commonly used as a phase-transfer catalyst in organic chemistry reactions. It consists of a central nitrogen atom surrounded by four butyl groups
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- The quaternary ammonium cation (CH₃-CH₂-CH₂-CH₂)₄N⁺
How to use "tetrabutylammonium" in a sentence
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tetrabutylammonium
The tetrabutylammonium salt is recovered and lyophilised.
To this stirred solution tetrabutylammonium fluoride was added.
Tetrabutylammonium fluoroborate or tetrabutylammonium bromide is preferably employed.
Examples of a base include in particular tetrabutylammonium fluoride.
The tetrabutylammonium salt of the parent drug.
The preferred ammonium borohydride is tetrabutylammonium borohydride.
Tetrabutylammonium is a quaternary ammonium cation with the formula.
An inexpensive substitute for tetrabutylammonium borohydride is sodium borohydride.
Tetrabutylammonium iodide or fluoroborate is preferably used.
Special preference is given to tetrabutylammonium iodide and sodium.
Tetrabutylammonium fluoride is usually the preferred fluoride source.
The catalyst used was tetrabutylammonium bromide.
Tetrabutylammonium bromide was then added as a phase transfer agent.
An example is the tetrabutylammonium salt of glyphosate.
Tetrabutylammonium chloride and tetrabutylammonium hydrogen sulfate are preferred.
See also
The preferred catalyst is tetrabutylammonium bromide.
Amount of tetrabutylammonium fluoride is preferably equimolar or slight excess.
It is also possible to employ tetrabutylammonium hydroxide.
Comparison of tetrabutylammonium salt form and fluorination yield.
The preferred organic oxalate salt is tetrabutylammonium oxalate.
Tetrabutylammonium fluoride is preferably used.
The most preferred fluoride source is tetrabutylammonium fluoride.
Tetrabutylammonium perchlorate is particularly preferred.
Particular preference is given to tetrabutylammonium hydrogensulfate.
Tetrabutylammonium bromide is generally the preferred phase transfer catalyst.
The most preferred alkylammonium fluoride is tetrabutylammonium fluoride.
Preparation of the tetrabutylammonium salt of low molecular weight heparin.
An especially preferred phase transfer agent is tetrabutylammonium chloride.
Tetrabutylammonium iodide is especially preferred.
Preparation of the tetrabutylammonium salt.
Tetrabutylammonium bromide is particularly suitable.
Preparation of the tetrabutylammonium salts.
Tetrabutylammonium tetraphenylborate used as catalyst.
Examples of a fluoride anion are tetrabutylammonium fluoride and hydrofluoric acid.
Tetrabutylammonium fluoride in tetrahydrofuran.
A preferred base is tetrabutylammonium fluoride.
Tetrabutylammonium bromide is preferred.
Examples include a mixture of tetrabutylammonium chloride and lithium chloride.
It is effected with an appropriate hydrolyzing agent such as tetrabutylammonium fluoride.
Preferred bases include tetrabutylammonium hydroxide and tetramethylammonium hydroxide.
The reaction conditions may further comprise tetrabutylammonium bromide.
Sodium iodide or tetrabutylammonium iodide can be added in the reaction mixture.
Preparation of omeprazole tetrabutylammonium salt.
Tetrabutylammonium fluoride was added.
Specific samples of these catalysts are tetrabutylammonium and choline chloride.
The tetrabutylammonium fluoride is preferably used in an equimolar amount or in slight excess.
In one embodiment the phase transfer catalyst is tetrabutylammonium bromide.
Tetrabutylammonium iodide was removed by vacuum filtration through a sintered glass funnel.
The resulting compound can be desilylated using tetrabutylammonium fluoride.
Silyl ethers may require tetrabutylammonium fluoride or tetrabutylammonium fluoride to be cleaved.
