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 (ăr′əl, âr′-)
A compound containing benzene or another aromatic hydrocarbon, or a univalent group derived from such a compound by removal of a hydrogen atom attached to the aromatic ring.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Elements & Compounds) (modifier) chem of, consisting of, or containing an aromatic group: aryl group or radical.
2. (Elements & Compounds) an organometallic compound in which a metal atom is bound to an aryl group
[C20: from ar(omatic) + -yl]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈær ɪl)

an organic group derived from an aromatic compound by removing a hydrogen atom, as phenyl from benzene.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
I Holdsworth, Potentiometric determination of acid dissociation constants of novel biaryl monomers.
Also, the biaryl core of the ligand can be simplified to formally chiral 6, 2'-dimethylbiphenyl, and eventually 2-bromotoluene and 2-tolylboronic acid can be selected as the simplest substrates of the enantioselective cross-coupling reaction (Scheme 3).
They cover asymmetric C-H bond insertion reactions, symmetric cross-dehydrogenative coupling reactions, asymmetric oxidative biaryl coupling reactions, asymmetric [1,5]-hydride transfer reactions, asymmetric functionalization of C-H bonds via a transient carbon-metal species, asymmetric Friedel-Crafts alkylation reactions, N-heterocyclic carbene-catalyzed asymmetric functionalization of aldehyde C-H bonds, asymmetric hydroacylation reactions, and asymmetric hydrovinylation reactions.
Biaryl structures are extensively found in many of the natural products including terpenes, alkaloids, flavonoids, lignan, and tannins etc [1, 2].
The bromide compound 7 and 7a and the aldehyde 10 were coupled, to produce the biaryl alcohol 11 and 11a, which were used in the following steps without further purification.
Biaryl compounds play an important role in medicinal chemistry and drug discovery.
The palladium-catalyzed Suzuki coupling reaction between aryl halides and organoboronic acid is an excellent method for the synthesis of various biaryl compounds, which constitute a wide range of fine chemicals, pharmaceuticals, and advanced materials [6-10].
Wilson et al., "Optimization of biaryl selective HDAC1&2 inhibitors (SHI-1:2)," Bioorganic and Medicinal Chemistry Letters, vol.
Preparation of a 3-(oxazol-5-yl)-4-trifluoromethylsulfonyloxyindole and its use in biaryl coupling reactions," Organic Letters, vol.
Keywords: Sesbania grandiflora, l,l'-binaphthalene-2,2'-diol, biaryl natural product.