Examples of 'aromatic nucleus' in a sentence
Meaning of "aromatic nucleus"
aromatic nucleus: The central part of a molecule known for its pleasant or distinctive scent
How to use "aromatic nucleus" in a sentence
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aromatic nucleus
These groups are usually attached to an aromatic nucleus.
The aromatic nucleus is subsequently functionalized as in the chemical method.
Protons of the aromatic nucleus.
Two different groups of ansamycins can be distinguished by the structure of the aromatic nucleus.
It contains an amide linkage between the aromatic nucleus and the amino group.
The solvent is preferably selected from hydrocarbon solvents containing at least one aromatic nucleus.
Other substances with an aromatic nucleus can also serve as a basis for synthetic vanilla.
An aromatic ring is typified by benzene having a single aromatic nucleus.
Preferably, the aromatic nucleus of the polyaldehyde is a benzene nucleus.
All of these acids comprise at least one aromatic nucleus.
In the case in point, the aromatic nucleus is a benzene nucleus.
Residue A may carry one or more substituents on the aromatic nucleus.
In other embodiments, the aromatic nucleus is different from a benzene nucleus.
Preferably, they contain one aromatic nucleus.
Advantageously, the aromatic nucleus of the aromatic polyaldehyde is a benzene nucleus.
See also
Alkylthio groups contain an alkyl group bound to the aromatic nucleus through a sulfur group.
It should be noted that the aromatic nucleus contained only electron-withdrawing groups in this example.
Preferably, at least one of these groups has an aromatic nucleus.
However, surfactants containing an aromatic nucleus are not rapidly biodegradable and damage the ecosystems.
The rate of reaction is influenced by the electron-donor ability of the aromatic nucleus.
Suitable bifunctional chain-lengthening agents containing an aromatic nucleus include aromatic diols, such as the following,.
In general, unsubstituted groups are preferred, normally groups containing at least one aromatic nucleus.
In a particularly advantageous manner, the aromatic nucleus Ar is mono - or bicyclic.
In general, non substituted groups are preferred, usually groups comprising at least one aromatic nucleus.
Represents a spacer arm which is intended to link the aromatic nucleus to the hydrophilic X substituents ;.
Is a linear or branched alkyl chain containing from 4 to 12 carbon atoms or an aromatic nucleus.
Said groups conventionally comprise an aromatic nucleus e.g. a benzene, anthracene or coumarin nucleus.
Exemplary of the radicals R which can be borne by the aromatic nucleus are,.
The phthalocyanine aromatic nucleus has a large conjugated system with a CBN ( Conjugated bond number ) of 48.
Many couplers of the meta-phenylenediamine type substituted on the aromatic nucleus are already known.
The aromatic nucleus may be substituted with various R groups, for example, methyl and t-butyl.
Examples of R radicals which can be attached to the aromatic nucleus are given hereinafter,.
Generally, “ several substituents ” means less than four substituents per aromatic nucleus.
Often, R ₂ is in a para position on the aromatic nucleus of the aldimine.
The resulting products preferably contain an average of 1.3 to 1.8 sulfonic acid groups per aromatic nucleus.
More often, Ar will contain only carbon atoms in the aromatic nucleus per se.
Generally, the term “ other substituents ” defines less than four substituents per aromatic nucleus.
Peak at 7.2 ppm attributed to the hydrogens of the aromatic nucleus.
In above general formula ( I ), Ar represents a polyvalent aromatic nucleus.
The acid cation exchange resin typically contain some 1.3 to 1.9 sulfonic acid groups per aromatic nucleus.
The acid cation exchange resin may contain some 1.3 to 1.9 sulfonic acid groups per aromatic nucleus.
The concentration of the sulfonic groups reaches 0.47 units SO 3 H per aromatic nucleus.
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Examples of using Nucleus
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The caudate nucleus of the basal ganglia
The electrons are going to get closer to the nucleus
An atom consists of a central nucleus surrounded by electrons
