Examples of 'heteroaromatic ring' in a sentence
Meaning of "heteroaromatic ring"
heteroaromatic ring: a term used in organic chemistry to describe a ring structure containing alternating carbon atoms and heteroatoms with aromatic properties
How to use "heteroaromatic ring" in a sentence
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heteroaromatic ring
The most preferred heteroaromatic ring is thienyl.
The heteroaromatic ring can be either substituted or unsubstituted.
Preferably the heterocyclic ring is a heteroaromatic ring.
A bicyclic heteroaromatic ring system may include a carbocyclic ring.
X is not part of an aromatic or heteroaromatic ring system.
The heteroaromatic ring may be bonded to the chemical structure through a carbon or hetero atom.
Ar may include at least one aromatic or heteroaromatic ring.
A preferred heteroaromatic ring is pyridinyl.
Ar is preferably a bicyclic or a tricyclic heteroaromatic ring.
Methods of making heteroaromatic ring systems are well known in the art.
Het may include at least one heteroaromatic ring.
The substitutions on the heteroaromatic ring may be in any position on said ring systems.
Z is optionally substituted aromatic ring or optional substituted heteroaromatic ring.
When Ar is a heteroaromatic ring preferred heteroaromatic rings are.
A polycyclic ring system includes at least one heteroaromatic ring.
See also
When P is a tricyclic heteroaromatic ring suitable examples include dibenzofuran.
The group x may be any optionally substituted aromatic or heteroaromatic ring.
One or two ring atoms of the heteroaromatic ring included by Het may be N.
The acidic moiety may be covalently linked to the aromatic or heteroaromatic ring.
Preferably, the heteroaromatic ring is pyridyl.
Preferred Z is monocyclic aromatic ring and monocyclic heteroaromatic ring.
Ar ' is an aromatic or heteroaromatic ring selected from.
More preferred Z is monocyclic aromatic ring or monocyclic heteroaromatic ring.
A suitable 5-membered heteroaromatic ring containing four nitrogen atoms is tetrazolyl.
In another embodiment, the backbone can comprise an aromatic or heteroaromatic ring.
Exemplary of these five-membered heteroaromatic ring moieties are furane, pyrrole and thiophene.
In this case the sulfonamide-containing ring is fused to a aromatic or heteroaromatic ring.
Most preferred five-membered heteroaromatic ring is thiazolyl.
In this case the sulfonamide-containing ring is fused to an aromatic or heteroaromatic ring.
Represents an optionally substituted six-membered heteroaromatic ring selected from pyrazine, pyrimidine and pyridazine ; and.
The term " heteroaryl " refers to a monovalent moiety obtained by removing a hydrogen atom from a heteroaromatic ring.
This ketone is attached to another five membered heteroaromatic ring ( either thiazole or isothiazole ).
Completes a heteroaromatic ring comprising 5 or 6 atoms, such as imidazole, triazole or pyrimidine.
A compound of Claim 2 in which the heteroaromatic ring is.
Suitably, the aromatic or heteroaromatic ring of which W is the residue is unsubstituted.
Preferred G " is bicyclic aromatic ring or bicyclic heteroaromatic ring.
In another embodiment, the C ring is a heteroaromatic ring containing 1 heteroatom or independently selected 2 heteroatoms.
A compound of Claim 5 wherein Ar is an optionally substituted heteroaromatic ring.
On the other hand, the heteroaromatic ring defined by R need not contain a nitrogen heteroatom.
In a preferred embodiment of the invention, the heteroaromatic ring E is selected from,.
Represents a heteroaromatic ring corresponding to formula ( d ) below,.
Preferable halogen substituent of the heteroaromatic ring R4 is bromo.
A preferred heteroaromatic ring within the definition is 2-thienyl and pyridyl.
Preferred G ' is monocyclic aromatic ring or monocyclic heteroaromatic ring.
In addition, each carbon of the heteroaromatic ring may be independently substituted with one X substituent.
A compound according to Claim 1 characterized in that Z is a bicyclic heteroaromatic ring.
Preferably contains a single aromatic or heteroaromatic ring that is itself substituted with another substituent, R3.
A compound according to any one of claims I to 8, wherein Ar is an heteroaromatic ring.
In one embodiment, the heteroaromatic ring contains at least one N.
When X is a covalent bond, preferred Z is a bicyclic heteroaromatic ring.
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Examples of using Heteroaromatic
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No aromatic or heteroaromatic moiety as a component of an ester or acetal
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No aromatic or heteroaromatic moiety as a component of an ester or ketal
