Examples of 'naphthol' in a sentence
Meaning of "naphthol"
Naphthol refers to a group of organic compounds that are used in dyes, pigments, and chemical processes
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- Either of two isomeric phenols derived from naphthalene; they are used in the preparation of dyes and many other compounds
How to use "naphthol" in a sentence
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naphthol
Examples of the naphthol compound are given below.
Orange pigments of an organic nature based on naphthol.
Naphthol is a metabolite of the insecticide carbaryl and naphthalene.
It is more acidic than phenol or naphthol.
Naphthol is prepared by two main routes.
Color development was performed with naphthol and fast blue.
Naphthol and its salts.
Color development was performed with naphthol and fast red.
Naphthol can also be produced by a method analogous to the cumene process.
Any unsubstituted or substituted naphthol derivatives can be used to practice the invention.
Naphthol is a precursor to a variety of insecticides including carbaryl and pharmaceuticals including nadolol.
That mysterious orange stain turned out to be sulfaphenazole naphthol sulfonic acid.
These naphthol derivatives may also present useable fluorescence properties.
They also make it possible to detect osidase and esterase activities via naphthol.
This dialkylated amide is treated with substituted naphthol to produce a product with desired isomer.
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The reaction proceeds very satisfactorily when the hydroxy aromatic is phenol or naphthol.
The subsequent acetyl naphthol is hydrolyzed to compounds of formula II.
The phenol component is charged to a vessel and then the naphthol component is added.
The naphthol derivative of type II is then synthesised in the same way as before.
The fluorescence quenching compound is selected from an aromatic ketone and a naphthol compound.
Blocking studies demonstrated that naphthol blocks silver background to at least trace levels see FIG.
Examples of suitable reporter substrates includes ABTS and naphthol.
Naphthol AS pigments may include mixed crystals.
This chloride is further reacted with pentaerythritol to give polyhydroxylated naphthol represented by formula IC.
Naphthol Green B is used in histology to stain collagen.
A polymeric dispersant is preferably used in combination with a Naphthol AS pigment.
In one example, naphthol is dissolved in hybridization buffer.
Visualization was obtained with Fast Red tablets in naphthol phosphate substrate.
A naphthol represented by the following graphic formula,.
Pigmenting activity of retinoids containing a phenol naphthol function,.
The starting naphthol was prepared as follows,.
Furthermore, an excellent vivid reddish tone can be produced by using a naphthol as a coupling agent.
A phenol or naphthol functional group, in free or protected form.
In the invention, the kit may include Naphthol phosphate.
A naphthol compound selected from the group consisting of,.
Detection is achieved by adding naphthol phosphate and compound 1a and incubating.
Naphthol and naphthalenediol ; Anthracene compounds haying phenolic hydroxyl groups,.
Detection is achieved by adding naphthol phosphate and compound 1b and incubating.
Naphthol AS-MX phosphate can be used in its acid form or as the sodium salt.
Fourthly, there are substrates based on naphthol and naphthylamine and its derivatives.
The naphthol derivative ( I ) of the present invention is a novel naphthol derivative compound.
Exemplary retinoids bearing a phenol or naphthol function, particularly representative are the following compounds,.
In the invention, the soluble electron-rich aromatic compound comprises Naphthol phosphate.
Epoxy resin containing naphthol structure having the following structural formula,.
That mysterious orange stain turned out to be sulfaphenazole naphthol sulfonic acid . Cheddar cheese dust.
For these azo pigments, naphthol based couplers are greatly preferred in terms of sensitivity.
The process of Claim 1 wherein said hydroxy substituted aromatic is selected from phenol and naphthol.
Fourthly, there are enzyme substrates based on naphthol and naphthylamine and derivatives thereof.
Examples of Naphthol AS colorants according to the present invention are disclosed in Table 2.
The enzyme activity sought and the corresponding naphthol derivative substrates are described in table 6 below,.
