Examples of 'is methyl or ethyl' in a sentence
Meaning of "is methyl or ethyl"
The phrase 'is methyl or ethyl' is often used in the context of discussing different chemical compounds. It implies a comparison or choice between two specific compounds - methyl and ethyl. It may refer to their properties, functional groups, applications, or other aspects that distinguish them from each other
How to use "is methyl or ethyl" in a sentence
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is methyl or ethyl
The preferred alkyl radical is methyl or ethyl.
Is methyl or ethyl substituted with substituted or unsubstituted heterocycloalkyl ;.
More preferably the alkyl is methyl or ethyl.
Compounds wherein R2 is methyl or ethyl are prepared by using an appropriately substituted secondary amine.
The preferred alkyl moiety is methyl or ethyl.
Preferably R ₁ is methyl or ethyl and most preferably methyl.
Preferably lower alkyl is methyl or ethyl.
Preferably, R1 is methyl or ethyl but may be propyl or isopropyl.
The most preferred lower alkyl is methyl or ethyl.
Is methyl or ethyl optionally substituted by F, Cl or Br ;.
The lower alkyl group usually employed is methyl or ethyl.
Ideally it is methyl or ethyl.
When any group is alkyl it is most preferred that it is methyl or ethyl.
Preferred is methyl or ethyl.
A compound of the formula wherein R is methyl or ethyl.
See also
Still more preferably R6 is methyl or ethyl and R7 is methyl or ethyl.
In certain instances of the process described above R is methyl or ethyl.
Preferably Ra is methyl or ethyl.
Preferred compounds of formula E are those wherein R is methyl or ethyl.
Preferably RP is methyl or ethyl.
A preferred carboxy-protecting group for the practice of the present invention is methyl or ethyl.
Compounds of the present invention wherein R3 is methyl or ethyl can be synthesized by Scheme 2.
Preferably R1 is hydrogen or a methyl or ethyl group, more preferably it is methyl or ethyl.
Preferably, alkyl is methyl or ethyl.
Examples of alkylcarbonylaminoalkyl groups include groups wherein R ' is methyl or ethyl.
In the compounds of general formula ( I ), R3 is methyl or ethyl and more suitably methyl.
An embodiment of the present invention includes compounds wherein R3 is methyl or ethyl.
For example, W is methyl or ethyl.
In a preferred embodiment of the process of the invention, R3 is methyl or ethyl.
Preferably, R2 is methyl or ethyl and more preferably, methyl.
A specific value for R is methyl or ethyl.
In an embodiment of the first aspect of the present invention R5 is methyl or ethyl.
In one embodiment, R2 is methyl or ethyl or n-propyl.
The compound of any of the preceding claims wherein Y " is methyl or ethyl.
In certain embodiments, R is methyl or ethyl when X4 is D-Phe.
A process of claim 4 in which M is potassium or sodium, and R is methyl or ethyl.
In certain examples, R is methyl or ethyl when X4 is D-Phe.
In a particular preferred embodiment, alkyl is methyl or ethyl.
Most preferably, K is methyl or ethyl.
The invention is concerned with a compound of the formula ( II ), wherein R1 is methyl or ethyl.
More preferably, X is methyl or ethyl.
A compound according to any preceding claim wherein R4 is methyl or ethyl.
In some embodiments, R is methyl or ethyl.
There is also described a compound of formula La wherein R1 is methyl or ethyl.
For example, R5 is methyl or ethyl.
In certain embodiments of the process described above, R is methyl or ethyl.
More preferably, it is methyl or ethyl.
A compound as claimed in any preceding claim wherein R7 is methyl or ethyl.
In one emodiment, Rc is methyl or ethyl.
Examples of alkylcarbonylamino groups include groups wherein R ' is methyl or ethyl.
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