Examples of 'optionally substituted alkyl' in a sentence
Meaning of "optionally substituted alkyl"
optionally substituted alkyl: In chemistry, this phrase refers to an alkyl group that can be replaced by another group depending on the circumstances. It is commonly used when discussing organic chemistry reactions and functional group modifications
How to use "optionally substituted alkyl" in a sentence
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optionally substituted alkyl
A preferred optionally substituted alkyl group is trifluoromethyl.
Trifluoromethyl is a particular example of optionally substituted alkyl.
Trifluoromethyl is an optionally substituted alkyl group of particular interest.
Re and Rf are each independently hydrogen, halogen or optionally substituted alkyl.
Preferable is optionally substituted alkyl.
An optionally substituted alkyl group is divalent when connected to the substrate or molecular backbone.
Preferable is hydrogen or optionally substituted alkyl.
Preferably, optionally substituted alkyl groups are unsubstituted.
Preferably the phenol carries one or more optionally substituted alkyl substituents.
Is an optionally substituted alkyl group or an optionally substituted acyl group ;.
Represents a hydrogen or an optionally substituted alkyl or aryl group.
Is an optionally substituted alkyl which may form an alkylene bridge at the 1 position ;.
The bridging group A may be optionally substituted alkyl.
For instance, an optionally substituted alkyl can mean that an alkyl is substituted or unsubstituted.
In any of the above methods A may be optionally substituted alkyl.
See also
The substituent of the optionally substituted alkyl group is exemplified by hydroxyl group.
In the present invention, R4 is exemplified by hydrogen atom or an optionally substituted alkyl group.
Is chosen from hydrogen and optionally substituted alkyl having one to four carbons.
Another preferred compound aspect of the invention is the compound wherein R4 is optionally substituted alkyl.
In particular they include optionally substituted alkyl groups which may be interposed with oxygen atoms.
In some embodiments, R is phenyl substituted with one or more optionally substituted alkyl groups.
RL can be selected from optionally substituted alkyl and optionally substituted alkoxylene.
In an alternative embodiment of this embodiment, R4 is an optionally substituted alkyl.
Represents an optionally substituted alkyl group ; and.
A process according to claim 1 wherein R ' represents an optionally substituted alkyl group.
Is hydrogen or optionally substituted alkyl or aryl ; and.
Preferable is hydrogen, hydroxy, halogen, optionally substituted alkyl.
R5 preferably is optionally substituted alkyl as defined above.
In another embodiment, the substituent is an optionally substituted aryl, aralkyl, or optionally substituted alkyl.
Preferable is hydrogen, optionally substituted alkyl or halogen.
An optionally substituted alkyl radical, optionally substituted aryl radical ;.
Is a hydrogen atom or an optionally substituted alkyl group ;.
Preferred optionally substituted alkyl groups are unsubstituted or substituted with 1, 2 or 3 fluorine atoms.
Especially, preferable is optionally substituted alkyl.
Is optionally substituted alkyl having from 1 to 6 carbon atoms or optionally substituted cycloalkyl ;.
Is hydrogen or an optionally substituted alkyl group ;.
Examples of the optionally substituted carboxylate group ( ester groups ) include an optionally substituted alkyl e . g.
Is hydrogen or an optionally substituted alkyl chain ;.
Preferred R1 groups are hydrogen, 2-oxotetrahydrofuranyl or optionally substituted alkyl.
Preferably, the sulfone is an optionally substituted alkyl or aromatic sulfone.
As the optionally substituted alkyl groups, methoxymethyl group, methoxyethyl group, etc . can be cited.
R3 has generally been reported as an optionally substituted alkyl group.
And R7 are each optionally substituted alkyl or optionally substituted heterocycle ;.
Is selected from a hydrogen atom and an optionally substituted alkyl radical ;.
Alternatively, the same optionally substituted alkyl group can have substituents different from hydrogen.
The preferred R2 groups include hydrogen atoms, or optionally substituted alkyl or aryl groups.
Also by way of example, optionally substituted alkyl includes optionally substituted cycloalkyl groups.
Especially, Ra and Rb are preferably optionally substituted alkyl.
May be a hydrogen atom, an optionally substituted alkyl group or an optionally substituted acyl group ;.
In another embodiment, Rb is hydrogen, or an optionally substituted alkyl.
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