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Aryl

 
Sci-Tech Dictionary: aryl
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(′ar·əl)

(organic chemistry) An organic group derived from an aromatic hydrocarbon by removal of one hydrogen.

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Medical Dictionary: ar·yl
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(ăr'əl)
n.

An organic radical derived from an aromatic compound by the removal of one hydrogen atom.

Wikipedia: Aryl
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This article is about the aryl organic functional group. For the fleshy covering of certain seeds, see aril.

In the context of organic molecules, aryl refers to any functional group or substituent derived from a simple aromatic ring, may it be phenyl, thiophene, indolyl, etc (see IUPAC nomenclature) [1]. "Aryl" is used for the sake of abbreviation or generalization.

A simple aryl group is phenyl, C6H5; it is derived from benzene. The tolyl group, CH3C6H4, is derived from toluene (methylbenzene). The xylyl group, (CH3)2C6H3, is derived from xylene (dimethylbenzene).

A few different types of benzene derived aryl groups. From left to right: phenyl, benzyl, tolyl, o-xylyl.

Biaryls may display axial chirality. Arylation is simply any chemical process in which an aryl group is attached to a substrate.

See also

References

  1. ^ http://goldbook.iupac.org/A00464.html
  2. ^ Bock KW, Köhle C (2006). "Ah receptor: dioxin-mediated toxic responses as hints to deregulated physiologic functions". Biochem. Pharmacol. 72 (4): 393–404. doi:10.1016/j.bcp.2006.01.017. PMID 16545780. 

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