aryl

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aryl

[′ar·əl]
(organic chemistry)
An organic group derived from an aromatic hydrocarbon by removal of one hydrogen.
References in periodicals archive ?
This assumption makes the task of rationalisation of the stere-ochemical outcome of the reaction much simpler, since only one, that is, the first reaction stage, should be analysed to predict the absolute configuration of a majority of formed biaryl products.
Atropisomeric biaryls have shown remarkable applications in agrochemical, pharmaceutical industries, and material sciences.
Coupling of compounds 14 and 16 gave the biaryl alcohol 17 (43% yield), later submitted to a hydrogenolysis reaction under acid condition.
The new catalyst showed good catalytic activity for microwave-promoted Suzuki coupling reaction to synthesis biaryls using water as a solvent.
The title of his research was "Synthesis of Novel Biaryl Type Heterocyclic P, P- and P, N- Ligands".
At the time of these reports, the synthesis of biaryl compounds such as 23 and 24 was not easy, but these compounds can now be synthesized easily by the cross-coupling reaction (17) using Pd metal.
Nitro-activated aryl halides are precursors to biaryl compounds which constitute the cornerstone of pharmaceutical industry, either through the century old Ullmann coupling or the more recent C-H functionalization methods.
Gram quantities of biaryl compounds have been synthesized by gradual scale up of vials' sizes, a proof that this method can be used to reduce industrial waste en route to sustainability.
Biaryl synthesis, an important tool in medicinal chemistry, has been achieved by various synthetic methods including Ullmann's coupling of chlorinated nitroaromatics.
Such compounds are exemplified by hindered biaryls, certain classes of spiro compounds, and allenes.
Compounds that show these effects include cyclobutane acrylics, benzocyclobutenes and atropisomeric biaryls. Ballistic testing studies conducted showed that some Surlyn materials heated to 240[degrees] C showed effective self-healing.