Examples of 'silylating' in a sentence
Meaning of "silylating"
Silylating: the process of introducing a silyl group into a compound. It is commonly used in organic chemistry for derivatization or protection of certain functional groups
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- present participle of silylate
- That silylates
How to use "silylating" in a sentence
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silylating
One or more silylating agents may be employed.
The protecting group reagent may be a silylating reagent.
The preferred silylating agent is dimethyl dichlorosilane.
Hexamethyldisilazane is used as a preferred silylating reagent.
Preferred silylating agents are organosilicon silylating agents.
A catalytic amount of imidazole as a silylating catalyst was then added.
Not all silylating agents are however equally suitable.
The structure is rendered hydrophobic by the use of a silylating agent.
A very useful silylating agent is hexamethyldisilazane.
Hexamethyldisilazane is a preferable silylating agent.
A very suitable silylating agent is hexamethyldisilazane.
Neutralization prior to the reaction is achieved by using suitable silylating agents.
The silylating agent is typically a silyl chloride or trifluoromethanesulfonate.
A more complete list of appropriate silylating or hydrocarbylating agents is given below.
The silylating agent can thus be solid or liquid.
See also
Possibly an aqueous phase may be present under the silylating agent.
The preferable silylating agent is hexamethyldisilazane.
This process occurs differently according to the silylating agent chosen.
The use of silylating agents is avoided.
The solution may be an aqueous solution or a hydrocarbon solution of the silylating agent.
The silylating agent is subsequently added dropwise via a syringe.
The reaction is carried out according to known methods for silylating glass.
The amount of silylating agent employed can vary widely.
The catalyst thus obtained is preferably contacted with a silylating agent before use.
In the process a silylating agent is used in the presence of a quinone.
The catalyst may also be treated with an organic silylating agent at elevated temperature.
The silylating agent is therefore performing the function of an endcapper.
Reacting the reactivated catalyst with an organic silylating agent to form a silylated activated catalyst.
The silylating agent is added all at once to the reaction mixture.
The base is preferably nonreactive with the silylating agent selected for the reaction.
Suitable silylating catalysts are well known to one skilled in the art.
The titanosilicate catalyst may be such that a silanol group thereof is silylated by a silylating agent.
Further silylating the catalyst.
When L represents halogen the Lewis Acid can generally be omitted when a silylating agent is present.
The removal of said silylating groups is also disclosed therein.
Silylating agents which may be used are well known to those skilled in the art.
The inventors therefore selected MTBSTFA for silylating the estradiol in the examples which follow.
The various silylating agents used hitherto nevertheless possess various disadvantages.
Alternatively, a bifunctional silylating reagent may be employed.
The silylating agent is selected from the group consisting of silylamides and bissilyamides.
In a preferred embodiment, the silylating reagent is TMSCl.
Generally known silylating agents are employed in the processes for making compounds of this invention.
The structures of these monofunctional silylating agents are as follows,.
The silylating agent not only accelerated the reactions but also gave higher yields.
Triorganohalosilanes are in demand as end-blockers and as silylating agents.
The silylating agents were obtained from the Perbio company.
Still more preferably, the silylating agent is triethylsilyl chloride.
The silylating agents employed are BTSFA or MTBSTFA.
In another embodiment, the protecting group reagent is a silylating reagent.
The silylating agents employed are BSTFA and MTBSTFA.
