Examples of 'aryl substituents' in a sentence
Meaning of "aryl substituents"
Aryl substituents: Chemical groups that consist of an aromatic ring bonded to a substituent. They are commonly found in organic compounds and play a crucial role in various chemical reactions and biological processes
How to use "aryl substituents" in a sentence
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aryl substituents
Further aryl substituents are cyano and nitro.
Substituting groups may be present on the alkyl or aryl substituents in the phosphorus ligands.
Such aryl substituents can be substituted.
Most azoxy-containing compounds have aryl substituents.
More preferred aryl substituents are alkyl and halo.
The process of claim 8 wherein the organic substituents are aryl substituents.
Particularly preferred aryl substituents are chloro and nitro.
In one embodiment, the aralkyl has two optionally substituted aryl substituents.
The preferred aryl substituents are phenyl and napthyl groups.
The hydrazine reagent can be substituted as desired, including aliphatic and aryl substituents.
The preferred aryl substituents of the arylalkyl groups are phenyl and naphthyl.
For unsymmetrical compounds, separate introduction of the two aryl substituents is required by a two-stage process.
The compounds comprise aryl substituents which are different from those contemplated in the present invention.
Suitable substituents for such groups include those R3 aryl substituents mentioned above.
Only alkyl and aryl substituents like methyl are electron-releasing in both respects.
See also
Other phosphonium groups include 1 to 4 aryl substituents.
It is convenient to introduce aryl substituents under copper catalysis with aryl-iodides or heteroaryl iodides.
In general, we prefer that there should be from 1 to 3 such aryl substituents.
The point of attachment of bicyclic aryl substituents is on the carbocyclic aromatic ring.
Aryl substituents have ring structures, such as those of phenyl, naphthyl and 2-thienyl.
The allylic group may contain one or more hydrogen, alkyl or aryl substituents ( B ).
Suitable R1 heteroaryl substituents include those as described above in regard to aryl substituents.
In another embodiment, the aryl ( C1-C4 alkyl ) has two optionally substituted aryl substituents.
Preferred aryl substituents include hydroxy, mercapto, halo, methyl, ethyl and propyl.
Compound of Claim 3 wherein the R4 aryl substituents are in the para-position.
The aryl substituents can include phenyl, tolyl, naphthyl, benzyl and phenylethyl groups.
R1 and R2 are preferably alkyl or aryl substituents and R3 is preferably an alkyl substituent.
The aryl substituents can include from 1 to about 20 carbon atoms.
In some embodiments, R is 2, 4, 6 tri-substituted phenyl with three optionally substituted aryl substituents.
Particular examples of aryl substituents for R6 or R7 include phenyl or naphthyl, particularly phenyl.
Representative examples of aryl substituents are phenyl, 1-naphthyl and 2-naphthyl.
The aryl substituents can include 1 carbon atom to 20 carbon atoms.
In one or more embodiments, aryl substituents can have from 1 to about 20 carbon atoms.
Preferred aryl substituents include alkyl, halo, amino, hydroxy, alkoxy, cyano, nitro and trifluoromethyl.
Preferred aryl substituents include alkyl, alkoxy, hydroxy, thiol, amino, halo.
Preferred aryl substituents include alkyl, alkoxy, halo, cyano, nitro, and trihalomethyl.
Typical aryl substituents include alkoxy, acyl, acyloxy, amino, aminoxy, halogen, and the like.
Most preferably the aryl substituents and the R1 and R2 are chosen from 2-hydroxyethyl or 2-hydroxypropyl.
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Examples of using Substituents
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Substituents at the meta position influence regioselectivity
A wide variety of alkyl substituents have been investigated
The substituents and their positions are indicated
Examples of using Aryl
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Aryl enol phosphates formed in good yields ca
Examples of mononuclear aryl include phenyl groups
An aryl group is understood to be a phenyl or naphthyl group
