Alkoxy group

Alkoxy groups

Aryloxy groups

In chemistry, the alkoxy group is an alkyl (carbon and hydrogen chain) group singular bonded to oxygen thus: R–O. The range of alkoxy groups is great, the simplest being methoxy (CH₃O–). An ethoxy group (CH₃CH₂O–) is found in the organic compound ethyl phenyl ether, C₆H₅OCH₂CH₃ which is also known as ethoxybenzene. Related to alkoxy groups are aryloxy groups, which have an aryl group singular bonded to oxygen such as the phenoxy group (C₆H₅O–).

An alkoxy or aryloxy group bonded to an alkyl or aryl (R¹–O–R²) is an ether. If bonded to H it is an alcohol. An alkoxide (RO^–) is the ionic or salt form; it is a derivative of an alcohol where the proton has been replaced by a metal, typically sodium.

Functional groups

Only carbon,
hydrogen
and oxygen

Hydrocarbons	Allene Alkene (Allyl, Vinyl) Alkyl (Methyl, Ethyl, Propyl, Butyl, Pentyl) Alkyne Benzyl Carbene Cumulene Methylene bridge Methylene group Methine Phenyl

Other	Acetoxy Acetyl Acryloyl Acyl Aldehyde Alkoxy (Methoxy) Benzoyl Carbonyl Carboxyl Dioxirane Epoxide Ester Ether Ethylenedioxy Hydroxy Ketone Methylenedioxy Peroxide (Organic)

Only one
element
apart from
C, H, O

Nitrogen	Amine Azo compound Cyanate Hydrazone Imide Imine Isocyanate Isonitrile Nitrene Nitrile Nitro compound Nitroso compound Organic amide Oxime

Phosphorus	Phosphonate Phosphonous

Sulfur	Disulfide Sulfone Sulfonic acid Sulfoxide Thial Thioester Thioether Thioketone Thiol

Selenium	Selenol Selenonic acid

Tellurium	Tellurol

Other

See also chemical classification, chemical nomenclature (inorganic, organic)

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