Examples of 'is pyridine' in a sentence
Meaning of "is pyridine"
Is Pyridine: This phrase indicates a question related to the chemical compound pyridine, prompting discussion or examination of its properties, structure, or uses in scientific contexts
How to use "is pyridine" in a sentence
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is pyridine
Most preferred among monodentate ligands is pyridine.
Preferably the solvent is pyridine or a pyridine type solvent.
Generally the most preferred solvent is pyridine.
The most conventional catalyst is pyridine combined with acetic acid.
The most preferred embodiment thereof is pyridine.
A typical mild acid used is pyridine p-toluenesulfonate.
One of the appropriate solvents recommended here is pyridine.
Suitably, the base is pyridine and the catalyst is DMAP.
One specific example of the base is pyridine.
Ar2 is pyridine ring substituted with none, one or more halogen.
At present the preferred base is pyridine.
Ar2 is pyridine ring substituted with none, one or more fluorine.
The preferred organic base is pyridine.
A preferred organic group is pyridine as this is illustrated in FIG . 3.
Also included in this definition is pyridine.
See also
In yet other embodiments, R5 is pyridine or substituted pyridine.
A preferable solvent in this reaction is pyridine.
Preferably, M is pyridine or morpholine.
A suitable solvent is toluene and a suitable base is pyridine.
A process of Claim 1 wherein the basic solvent is pyridine in the second intermediate mixture.
An example of a suitable esterification catalyst is pyridine.
Q, Is pyridine an aromatic compound?
A preferred cyclic tertiary amine is pyridine.
Preferably, the Lewis base is pyridine or tetrahydrofuran ( THF ).
The preferred base for this reaction is pyridine.
A preferred dealkylating agent is pyridine hydrochloride.
A heterocycle which is particularly preferred according to the invention is pyridine.
In a specific embodiment, ring A is pyridine or pyridazine.
One heterocycle which is particularly preferred according to the invention is pyridine.
The compound of paragraph 1, wherein R5 is pyridine or substituted pyridine.
The most preferred base for this particular reaction is pyridine.
A complex as claimed in claim 1, where X is pyridine or 4-substituted pyridine.
In one particular embodiment of the present invention the heterocycle of heterocyclealkyl is pyridine.
The byproduct in the above reaction is pyridine hydrochloride.
Examples of a base include pyridine, dimethylaminopyridine, triethylamine or the like, especially preferred is pyridine.
A suitable base is pyridine.
In still another embodiment, the base catalyst is pyridine.
The process according to claim 1, wherein said base is pyridine which may be substituted.
In still another embodiment, R2 is a heteroaryl substituted with NR4R5 and the heteroaryl is pyridine.
A process of Claim 9 where the organic base is pyridine and / or triethylamine.
The process according to claims 1 to 4 characterized in that tertiary aromatic amine is pyridine.
Preferably the base is pyridine.
Preferred organic bases include pyridine and triethylamine ; more preferred is pyridine.
The most preferred is pyridine.
The procedure of example 1 is followed but this time the substance added is pyridine.
A preferred solvent is pyridine.
The bath according to claim 1 wherein the water-soluble stabilizing agent is pyridine.
A process as claimed in claim 20 wherein the base is pyridine or triethylamine.
The process according to claim 3, characterized in that the organic base catalyst is pyridine.
Yet another embodiment is pyridine.
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Examples of using Pyridine
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Typical bases include pyridine and triethylamine
Pyridine is also used as a base in condensation reactions
Related to these are pyridine and its derivatives
