Examples of 'tetrabutyl' in a sentence
Meaning of "tetrabutyl"
tetrabutyl (noun) - 'Tetrabutyl' refers to a chemical compound containing four butyl groups, commonly used in organic chemistry and industrial applications
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- Four butyl groups in a molecule
How to use "tetrabutyl" in a sentence
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tetrabutyl
Examples are tetrabutyl ammonium bromide or triethylbenzylammonium chloride.
The preferred catalyst is tetrabutyl ammonium fluoride.
Tetrabutyl ammonium bromide may be added to obtain good phase separation.
The most preferred titanate is tetrabutyl titanate.
The so obtained tetrabutyl ammonium salt has been lyophilized.
Particularly preferred are tetraalkyl ureas like tetrabutyl urea.
It is best to use tetrabutyl ammonium salt.
Tetrabutyl ammonium halide can be substituted for cetyl trimethyl ammonium bromide in the above procedures.
An excellent example is tetrabutyl phosphonium bromide.
Tetrabutyl tin was then injected, still in an inert gas atmosphere.
It is preferable to use tetrabutyl ammonium salts.
The tetrabutyl tin is then injected, still in an atmosphere of inert gas.
A preferred counterion is tetrabutyl ammonium salt.
It is clear that the tetrabutyl chloride catalyst is unstable at the demanding operating conditions.
A preferred quaternary cation is tetrabutyl ammonium.
See also
Particular examples are tetrabutyl ammonium bromide and tetraphenylphosphonium bromide.
A suitable tetraalkyl ammonium salt is tetrabutyl ammonium salt.
Suitable catalysts include tetrabutyl ammonium fluoride and strong acids such as hydrochloric acid.
Particularly good results were obtained with tetrabutyl phosphonium bromide.
Then TEDA or tetrabutyl ammonium bicarbonate was added.
Preferred azide donors are sodium azide and tetrabutyl ammonium azide.
Suitable catalysts are also tetrabutyl titanate, triphenylphosphine and lithium anhydride benzoate.
It is also possible to use a phase transfer catalyst such as tetrabutyl ammonium bromide.
Tetrabutyl tin is injected into the solvent, and the reactor is closed and purged.
Most preferred is tetrabutyl titanate.
In the absence of tetrabutyl ammonium nonylphenolate, no reaction occurs and the mixture remains a liquid.
Suitable catalysts include for example tetrabutyl titanate and dibutyl tin oxide.
Examples of germanium compounds are germanium chlorides, tetramethyl germanium, tetraphenyl germanium and tetrabutyl germanium.
This reaction is performed by using tetrabutyl ammonium fluoride in THF under reflux.
The process of claim 7 wherein the organotitanate is tetrabutyl titanate.
For tin, tin chloride or tetrabutyl tin is preferably used.
The composition of claim 1 or claim 2 wherein the organotitanate is tetrabutyl titanate.
Organo-tin compounds such as tetrabutyl tin and trimethyl tin hydride are especially preferred.
Deprotection occurred quickly when either choline hydroxide or tetrabutyl ammonium hydroxide were used.
Of them, potassium bromide and tetrabutyl ammonium bromide are preferable from the standpoint of reactivity.
The silyl group can be removed with a fluoride source such as tetrabutyl ammonium fluoride.
For example tetrabutyl ammonium fluoride, pyridinium hydrofluoride, potassium fluoride, or cesium fluoride may find utility.
The residue that remained in the bottle solidified and consisted mainly of tetrabutyl phosphonium bromide.
It is put into contact with tetrabutyl tin under the same conditions as in Example 1.
Preferred catalysts are tetralkyl ammonium halides, especially tetrabutyl ammonium chloride.
After adding 1.29 g of tetrabutyl ammonium bromide, the precipitate obtained was extracted with dichloromethane.
Suitable titanium compounds include the organic titanates such as tetrabutyl titanate and tetraisopropyl titanate.
The catalyst tetrabutyl ammonium m-chlorobenzoate 560 ml is then added.
A tetraalkyl ammonium base, such as tetrabutyl ammonium hydroxide.
Triethylamine, ADOGEN ® 464 and tetrabutyl ammonium iodide are more preferred, and triethylamine is particularly preferred.
A process of claim 7 in which the organic template is a tetrabutyl ammonium salt.
The organic titanate compounds include tetrabutyl titanate, tetraisopropyl titanate, triethanolamine titanate, etc.
Preferred catalysts are tetralkyl ammonium halides, especially tetrabutyl ammonium bromide.
These include KI, NaI, LiI, CsI, tetrabutyl ammonium iodide, iodine and the like.
A process according to claim 7 where the phase transfer catalyst is tetrabutyl ammonium bromide.
