Alkoxy group

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In chemistry, the alkoxyl group is an alkyl (carbon and hydrogen chain) group linked to oxygen thus: R-O. The range of alkoxy groups is as great, the simplest being methoxy (-OCH₃). An ethoxy group (-OCH₂CH₃) is found in the organic compound phenetol, C₆H₅OCH₂CH₃ which is also known as ethoxy benzene. Related to alkoxy groups are aryloxy groups.

Alkoxides are derivatives of alcohols where the proton has been replaced by a metal, typically sodium.