Examples of 'pyridines' in a sentence
Meaning of "pyridines"
Pyridine is a basic heterocyclic organic compound with a six-membered ring containing five carbon atoms and one nitrogen atom. It is commonly used as a solvent and precursor in organic synthesis
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- plural of pyridine
How to use "pyridines" in a sentence
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pyridines
Use of pyridines as perfuming and flavoring ingredients.
Also possible are polystyryl pyridines and polybenzimidazoles.
The pyridines include buthiobate and pyrifenox.
There are several substituted pyridines used as herbicides.
An aliphatic amine used in the preparation of pyridines.
A number of pyridines occur in natural products.
The most odorous chemicals in cigar smoke are pyridines.
The pyridines are part of a bicyclic heterocycle.
Examples include substituted pyridines and substituted imidazoles.
Pyridines confer a flavor of green wood.
Ciamician synthesis of pyridines from pyrroles.
Particular preference is given to pyridine and substituted pyridines.
Polyfluorinated ethers and polyfluorinated pyridines are particularly preferred.
Certain alkylated pyridines have been identified in natural origin products.
Process for preparing substituted pyridines.
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Pyridines are heterocyclic molecules used in the synthesis of various pharmaceuticals.
Preference bases are trialkylamines and pyridines.
Trialkylamines and pyridines are preferable.
The pyridines include pyrifenox.
Process for the preparation of pyridine and substituted pyridines.
The resulting highly substituted pyridines can be difficult to access by other means.
Again no biological activity is disclosed for these aryloxy pyridines.
Pyridines have a benzene ring with one of the carbons replaced by a nitrogen.
Variant of this reaction are exploited for the synthesis of substituted pyridines.
Describe pyridines with fused heterocycles as cholesterol ester transfer protein inhibitors.
The invention also relates to this direct process of preparing symmetrical pyridines.
Lewis bases such as tertiary amines and pyridines increase the reaction rate.
The present invention relates to a method for the synthesis of certain bridged fused ring pyridines.
The transformation does not work with unfunctionalized hydroxy pyridines as shown in the comparative examples.
There can also be used esters such as ethyl acetate and the like and pyridines.
The pyridines used by Kita et al.
Also contemplated as a viable nitrogen containing compound are derivatized pyridines and piperidines.
The Kröhnke synthesis for making pyridines possesses a number of succinct advantages over other methods.
The basic organic catalyst is preferably chosen from the group consisting of pyridines and imidazoles.
Methods for producing the annulated pyridines of Formula V are known in the art.
The Reissert reaction is also successful with isoquinolines and most pyridines.
A process of this type for the preparation of pyridines is disclosed by Komatsu et al.
The family of pyridines is represented by the following formulae,.
Further reaction of these acetylenes provide additional examples of pyridines of Formula Id.
The sulfonamino pyridines are described in Doklady Aka.
They are complex mixtures of alkyl-substituted pyridines.
Among them, pyridines and dimethylformamide are preffered to use.
However, this approach was never applied to pyridines.
Thus, pyridines appear to be microtubule assembly inhibitors in function.
There is no exclusion of electron-deficient pyridines and imidazoles.
G of a mixture of pyridines were collected, in which the following compounds were determined,.
Preferred bases are tertiary amines, including substituted pyridines.
Actually, some of the pyridines are selective in leguminous crops, such as soybeans.
However, the patent literature shows only functionalized pyridines.
The pyridines were separated from the mixture by treatment with 5 % hydrochloric acid.
