Examples of 'azomethine' in a sentence
Meaning of "azomethine"
Azomethine is a class of organic compounds containing a divalent group =N−R, where R is a substituted aromatic group. Azomethines are commonly used in organic synthesis and pharmaceutical chemistry
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- any of a class of organic compounds of general formula RN=CR'₂, especially the parent compound in which R' is H
How to use "azomethine" in a sentence
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azomethine
The azomethine coupler is derived from an acetoacetanilide.
Metal complexes containing an azomethine ligand were also prepared.
Azomethine ylides can also be formed directly by deprotonation of iminiums.
This technology is also sometimes known as azomethine linkages.
Azomethine ylides can be generated from ring opening of aziridines.
Last is the intramolecular azomethine ylide reaction with alkene.
The azomethine products were collected at various temperature and pressure conditions.
General structure of an azomethine compound.
Another way to form azomethine ylides from imines is by prototropy and by alkylation.
Examples of metal complex pigments include azomethine copper complex pigments.
The aromatic azomethine is formed by contacting the product of this process with the aniline.
The coated substrates underwent component exchanges of the reversible azomethine bond formation.
Novel azomethine compound and thermal transfer sheet using the same azomethine compound pigment.
The liquid from the bottom of the evaporator was collected as the azomethine product.
Use for dyeing keratin fibres of a compound of azomethine type bearing two pyrazolopyridine units.
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It is thought that the self crosslinking reaction occurs vía the formation of azomethine groups.
Use for dyeing keratin fibres of a compound of azomethine type bearing a pyrazolopyridine unit.
For instance an azomethine ylide is a dipole in the Prato reaction with fullerenes.
A series of sterically hindered thiophene-aniline azomethine dyads were prepared.
The feed to the azomethine reactor had the following composition,.
Another important group of organic compounds is schiff bases, also known as imines or azomethine.
Compounds of azomethine type comprising a cationic pyrazolopyridine unit, for dyeing keratin fibres.
Under optimised conditions, the researchers reacted a broad range of azomethine imines with secondary enecarbamates.
The azomethine compound of claim 2, herein the alkylene oxide polymer is a propylene oxide polymer.
The reaction products are primarily an azomethine and water, together with various by-products or impurities.
The azomethine compound of claim 2, wherein the alkylene oxide polymer is an ethylene oxide polymer.
A number of methods are based on the oxidative conversion of N-substituted azomethine derivatives of aldehydes.
This azomethine ylid is conveniently prepared as described in Preparation 1.
More particularly, these dyes are cationic, carbocyanine, hemicyanine, rhodamine and azomethine dyes.
Generally, an azomethine ylid is reacted with cyclopentenone to produce cycloadduct III.
A coloring matter for thermal dye transfer recording, comprising an azomethine compound according to claim 1 or 2.
Azomethine H increased Cu-Zn superoxide dismutase activity.
The cycloaddition with azomethine ylides is described in Doepp et al, Chem.
Azomethine ylides can be generated from many sources, including aziridines, imines, and iminiums.
The reaction gave an aniline to azomethine conversion of about 98.4 by área % analysis.
An azomethine compound having the formula, wherein,.
Key words, sphingosine, morpholinone, chiral azomethine ylid, dipolar cycloaddition.
Conjugated azomethine ylides are capable of - and - electrocyclizations.
To prepare the pyrrolidine nucleus, the appropriate 1,3-dipole is an azomethine ylide.
The generation of the azomethine ylide 2 from 1a and 1b is straightforward.
The formed " aldimine " proceeds further in anhydrous conditions to a labile " Schiff 's - base " containing an azomethine linkage.
The azomethine as claimed in claim 1, wherein the polymer has the formula, wherein.
Scheme V illustrates a method for synthesizing pyrrolidines by an azomethine ylide type [ 3+2 ] - cycloaddition to an acrylate.
An azomethine compound represented by formula M-I, wherein.
Key words, boronates, boron complexes, tridentate azomethine ligands, phenylboronic acid, X-ray crystallography.
The azomethine compound according to claim 1, wherein R6 and R7 each represent a propyl or butyl group.
Once generated, the non-stabilized azomethine ylide 2 reacts with olefins to produce pyrrolidines 3 by 1,3-dipolar cycloaddition.
The azomethine as claimed in claim 7 wherein c has a value of 4 to 60.
Generation of the azomethine ylide of general formula ( II ),.
Azomethine ylides are nitrogen-based 1,3-dipoles, consisting of an iminium ion next to a carbanion.
