alkylationn.
/ˌalkᵻˈleɪʃn/, U.S. /ˌælkəˈleɪʃ(ə)n/ Chemistry.
The process of introducing one or more alkyl groups into a compound; an instance of this; spec. the treatment of a petroleum fraction to produce branched-chain hydrocarbons, esp. isooctane.
ΚΠ
1885 U.S. Patent 316,248 1/1 These derivatives of chinaldine may be obtained..from the sulpho-acid of the chinaldines by melting the same with alkali, and subsequent alkylation of the oxychinaldines formed.
1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) vii. 192 On alkylation, under different conditions, it is possible to obtain two distinct types of mono-alkylated amides.
1949 Our Industry (Anglo-Iranian Oil Co.) (ed. 2) iii. 85 Under other conditions saturated and unsaturated compounds can be brought into combination to produce heavier compounds and this process is known as ‘alkylation’.
1977 J. March Adv. Org. Chem. (ed. 2) x. 339 A series of alkylations of the sodium salt of acetylacetone.
2000 C. A. Russell in F. L. Holmes & T. H. Levere Instruments & Exper. Hist. Chem. xii. 311 The great reactivity of these compounds opens up endless possibilities for alkylation and other reactions.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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