Examples of 'protective groups' in a sentence
Meaning of "protective groups"
In chemistry, protective groups are temporary modifications made to certain functional groups in order to prevent unwanted reactions during a chemical synthesis. They are used to protect sensitive functional groups and can be removed later to reveal the desired product
How to use "protective groups" in a sentence
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protective groups
The customary protective groups are well known.
Protective groups that are inert in respect of hydrogenation are preferred.
Any of other appropriate protective groups can be selected.
Such protective groups are known to a person skilled in the art.
This method avoids the use of protective groups.
Suitable acid protective groups are as described herein.
It also permits the cleavage of photolysable protective groups.
Suitable protective groups are well known in carbohydrate chemistry.
A tetrahydropyranyl group and the like protective groups.
Standard protective groups may be employed.
Tetrahydropyranyl ethers are used as protective groups for alcohols.
Dihydroxyl protective groups also include cyclic carbonates.
Simultaneously or afterwards remaining protective groups are also removed.
Suitable protective groups are well known in the art.
Also disclosed are compounds of the invention containing protective groups.
See also
Alternative protective groups are silyl ethers.
Some of these amino acids are substituted with orthogonal protective groups.
Further protective groups known per se are likewise possible.
Removal of the protective groups.
Suitable protective groups are known to a person skilled in the art.
Another possibility is to prevent multiple alkylation of primary amines by protective groups.
In this method the protective groups have to be orthogonal.
Protective groups of this kind are known to a person skilled in the art.
Removal of all protective groups is necessary.
The isocyanate groups can be free or blocked by chemical protective groups.
The reaction to eliminate the protective groups are as discussed above.
The protective groups are removed after the coupling reaction.
It also permits the cleavage of protective groups by electrochemical reduction.
The protective groups on this intermediate are then removed by hydrogenation.
There may be no need for additional protective groups and condensation methods.
These protective groups are removed after the reaction is completed.
For a general reference on the use of protective groups in organic chemistry see.
The protective groups are not limited to those given above.
This invention also encompasses compounds of the invention containing protective groups.
This removal of the protective groups is preferably effected by hydrolysis.
Immunoproximity catalysts also are of considerable use when protective groups are employed in synthesis.
Various other protective groups can be employed in a similar fashion.
The abbreviations for the amino acids and protective groups are as follows.
Carbobenzyloxy protective groups can be removed by hydrogenating with palladium on carbon.
Preferably the other reactive groups of said compound are protected by protective groups.
A preferred example of protective groups which may be mentioned is benzyl.
Protective groups may be removed at the appropriate stage of the reaction sequence.
This procedure leads to peptides with intact side chain protective groups.
Exemplary protective groups for amidino group include benzyloxycarbonyl group.
This operation was repeated three times to remove the protective groups completely.
Such protective groups are adopted depending upon the particular purpose.
Methyl or ethyl groups are preferably chosen from among the protective groups described.
Other protective groups will be appreciated by those skilled in the art.
Side chain functional groups were also blocked with various appropriate protective groups.
In the case of negative protective groups an additional step of reactivation will be required.
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