Examples of 'is lower alkyl' in a sentence
Meaning of "is lower alkyl"
is lower alkyl - This scientific phrase refers to a chemical compound or group containing alkyl chains with fewer carbon atoms. It is commonly used in organic chemistry to describe molecules with specific structural properties
How to use "is lower alkyl" in a sentence
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is lower alkyl
Preferred alkyl is lower alkyl as defined herein.
Preferred groups are those in which the alkyl group is lower alkyl.
The alkylating agent is lower alkyl halide and the like.
The alkyl moiety of the aralkyl groups typically is lower alkyl.
Is lower alkyl substituted by Hal.
More particular alkyl is lower alkyl.
Is lower alkyl optionally substituted with acyl ;.
Particularly preferred is lower alkyl.
Is lower alkyl or fluoro substituted lower alkyl ;.
Preferred alkylsulphonylcarbamoyl groups are those wherein the alkyl group is lower alkyl.
Particularly preferable Rp is lower alkyl or phenyl.
Preferred alkylsulfonylcarbamoyl groups are those wherein the alkyl group is lower alkyl.
R5 is lower alkyl substituted with phenyl.
A particularly preferred compound of formula Ic is wherein Rg is lower alkyl.
Is lower alkyl or lower alkyl substituted with halogen ;.
See also
Is hydrogen or lower alkyl ; and is lower alkyl.
Yet another embodiment is lower alkyl which may be substituted with 1 to 3 halogens.
Preferably, the alkyl substituent is lower alkyl.
R4 is lower alkyl and the lower alkyl group is in the alpha configuration.
In certain embodiments, the alkyl substituent is lower alkyl.
The " halogeno lower alkyl " is lower alkyl substituted with one or more halogens.
Among the mono-substituted substituents, the preferred substituents substituted on the isoxazolyl ring is lower alkyl.
R EPMATHMARKEREP is lower alkyl substituted with carboxy ;.
Of special interest are compounds comprising one Rc group which is lower alkyl e . g.
A compound according to claim 1 wherein R ₇ is lower alkyl bearing a carboxylic acid or ester group.
The reagent of claim 47 wherein said perchlorate is perchloric acid and R is lower alkyl.
The process of Claim 1 wherein substituted methyl is lower alkyl substituted methyl or halomethyl.
Preferably one is lower alkyl substituted with a heterocyclic group for R1 is pyrrolidinylmethyl.
Preferred amino protecting groups are wherein X ₃ is lower alkyl or halo lower alkyl.
Compounds wherein R4 is lower alkyl may be obtained by subsequent alkylation.
In a further embodiment there are provided compounds wherein R2 is lower alkyl preferably methyl.
R5 is lower alkyl which optionally is substituted by halogen ;.
Furthermore, inhibitory activity is enhanced when Y2 is lower alkyl optionally substituted with hydroxy.
The method of Claim 24 wherein said perchlorate is perchloric acid and R is lower alkyl.
The compound, where R is lower alkyl or lower alkoxyalkyl.
More preferred are those compounds in which R1 is lower alkyl.
The compound of claim 1 wherein R1 is lower alkyl or lower alkyl substituted with J.
Even more preferably q is zero and R 8 is lower alkyl.
R ₃ is lower alkyl or phenyl lower alkylene ;.
In still another embodiment of the present invention, R is lower alkyl or perfluoro lower alkyl.
R6 is lower alkyl or cycloalkyl ; and pharmaceutically acceptable salts thereof.
A compound of formula IV, wherein R is lower alkyl or lower alkoxyalkyl.
The compound of any one of the preceding claims wherein R2 is lower alkyl.
The compound described in Claim 1 wherein R2 is lower alkyl optionally substituted with halogen.
It is more preferred that R is aryl lower alkyl and R1 is lower alkyl.
In another embodiment, it is lower alkyl substituted with 1 to 5 halogens.
In still another embodiment R4 is lower alkyl.
More particular is lower alkyl which has 1 to 6 carbon atoms.
Preferably, the alkyl portion of the " alkylsulfinyl " is lower alkyl.
Is lower alkyl or lower haloalkyl ;.
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