Examples of 'heteroaryl rings' in a sentence
Meaning of "heteroaryl rings"
heteroaryl rings - In organic chemistry, heteroaryl rings refer to aromatic rings that contain at least one atom other than carbon within the ring structure, such as nitrogen, oxygen, or sulfur
How to use "heteroaryl rings" in a sentence
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heteroaryl rings
Heteroaryl rings are monocyclic or fused bicyclic ring systems.
Aromatic includes both aryl and heteroaryl rings as defined herein.
Heteroaryl rings can carry various substituents including sulphonyl groups.
Bicyclic or tricyclic heterocyclic or heteroaryl rings are preferred over monocyclic rings.
The term heteroaryl refers to both monocyclic and bicyclic heteroaryl rings.
Examples of heteroaryl rings include pyridyl and pyrazolyl rings.
Two alternative approaches are utilized for appending aryl and heteroaryl rings to the pyrrole ring.
Heteroaromatic or heteroaryl rings may be optionally substituted with between one to four substituents.
Exemplary embodiments of E further include heteroaryl rings selected from.
Heteroaryl rings are connected to the parent molecular moiety through a carbon or nitrogen atom.
Specific examples of heteroaryl rings include the structures,.
The heteroaryl rings are attached to the rest of the molecule through a ring carbon atom.
The nitrogen heteroatoms of the heteroaryl rings may optionally be oxidized e . g.
Bicyclic heteroaryl rings include those ring systems wherein a heteroaryl ring is fused to a phenyl ring.
The term " heterocycle " also encompasses substituted and unsubstituted heteroaryl rings.
See also
Monocyclic heteroaryl rings have 5 member atoms.
The term " aromatic group " includes carbocyclic aromatic rings and heteroaryl rings.
Examples of 6 membered heteroaryl rings include pyridine, pyrimidine and pyrazine.
R units can comprise 5-member heteroaryl rings.
Heteroaryl rings may be unsubstituted or substituted with from 1 to 4 substituents on the ring.
Other heteroaryl groups include heteroaryl rings linked by a bond, such as bipyridine.
This includes carbocyclics, heterocyclics, aryl and heteroaryl rings.
The following are non-limiting examples of heteroaryl rings according to the present disclosure,.
Preferred heteroaryl rings are pyridinyl, thiophenyl and pyrazinyl which are optionally substituted with alkyl.
This phrase encompasses carbocyclics, heterocyclics, aryl and heteroaryl rings.
Suitable aryl and heteroaryl rings are shown in Table 1 below.
In one embodiment, the heteroaromatic ring is selected from 5-8 membered heteroaryl rings.
The monocyclic heteroaryl rings 5 or 6 member atoms.
Exemplary rings include 4-8-membered heterocylic and heteroaryl rings.
Monocyclic heteroaryl rings have from 5 to 6 ring atoms.
Preferred points of substitution for 6-membered heteroaryl rings at R2 are described above.
Monocyclic heteroaryl rings have from 5 to 6 member atoms.
These heteroaryl rings contain one or more nitrogen, sulfur, and / or oxygen atoms.
Representative examples of heteroaryl rings includes pyrazole, isoxazole, pyridine, pyrimidine and pyrazine.
Preferred heteroaryl rings include, but are not limited to, the following,.
Examples of heteroaryl rings include, without limitation, and the like.
Examples of heteroaryl rings include 5-6 membered rings having at least one nitrogen atom.
Monocyclic heteroaryl rings may contain from 5 to 8 member atoms ( carbons and heteroatoms ).
Bicyclic heteroaryl rings have 9 or 10 member atoms.
Bicyclic heteroaryl rings have from 8 to 10 member atoms.
Bicyclic heteroaryl rings may contain from 8 to 12 member atoms.
Six-membered heteroaryl rings containing 1-2 nitrogen atoms as the only heteroatoms ;.
Examples of 6-membered heteroaryl rings include pyridinyl, pyridazinyl, pyrimidinyl, pyrazinyl, or triazinyl.
Five-membered heteroaryl rings containing from 1-2 heteroatoms selected from nitrogen, oxygen, and sulfur ;.
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Examples of using Heteroaryl
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The heteroaryl group can be monocyclic or polycyclic
In one embodiment the heteroaryl group is unsubstituted
Heteroaryl includes fused or bridged ring systems
