aryl group

American  

noun

Chemistry.

1. any organic group derived from an aromatic hydrocarbon by the removal of a hydrogen atom, as phenyl, C 6 H 5 −, from benzene, C 6 H 6 .

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Etymology

Origin of aryl group

First recorded in 1905–10

Example Sentences

R groups represent a variety of organic groups; Ar, aryl group; EWG, electron-withdrawing group.

From Nature

One ligand promotes addition of a single aryl group to the β-carbon center; the other appends a second, potentially different aryl group to the same carbon—all in the same flask.

From Science Magazine