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单词 electrophile
释义

electrophilen.

Brit. /ᵻˈlɛktrə(ʊ)fʌɪl/, U.S. /əˈlɛktrəˌfaɪl/, /iˈlɛktrəˌfaɪl/
Origin: Formed within English, by compounding. Etymons: electro- comb. form, -phile comb. form.
Etymology: < electro- comb. form + -phile comb. form. Compare electrophilic adj.
Chemistry.
An electrophilic substance or molecule.
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the world > matter > chemistry > chemical reactions or processes > [noun] > substances involved in > reagent > electrophile
electrophile1906
1906 G. N. Lewis & P. Wheeler in Proc. Amer. Acad. Arts & Sci. 41 429 Let us call a substance possessing these properties to a marked degree an electrophile.
1978 Nature 20 July 229/1 Most chemical carcinogens, when activated metabolically, are reactive electrophiles which bind covalently to many cellular macromolecules.
1996 M. J. Winter d-Block Chem. (1998) vi. 62 This renders the carbon atom somewhat prone to attack by nucleophiles (such as hydride donors) and the oxygen by electrophiles (such as AlCl3).
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1906
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