Nomenclature of Ketones

Ketones represent the >C=O (carbonyl) grouping (recommendation C-311.1).

  • Substitutive nomenclature: they are named as the hydrocarbon with the same number of carbon atoms ending in -one (recommendation C-311.1).

nomenclatura de los compuestos organicos cetonas hexan-2-ona ciclopentanona 3-metilpentan-2-ona hexano-2,5-diona

  • Radical-functional nomenclature: the names of the radicals attached to the >C=O group, ending in the word ketone, are named in alphabetical order (recommendation C-311.2). When the >C=O group acts as a substituent, it is named as oxo (recommendation R-5.6.2.1).

nomenclatura de los compuestos organicos cetonas metil propil cetona sec-butil etil cetono oxobutil ciclohexanona

A number of common names (in parentheses) are preserved, including the following compounds:

nomenclatura de los compuestos organicos cetonas acetona acetilacetona acetofenona benzofenona

Return to the page naming mono-functional compounds.