释义 |
electrophile, n. Chem.|ɪˈlɛktrəʊfaɪl| [f. electro- + -phile.] An electrophilic reagent.
1906Lewis & Wheeler in Proc. Amer. Acad. Arts & Sci. XLI. 429 Let us call a substance possessing these properties to a marked degree an electrophile. 1978Nature 20 July 229/1 Most chemical carcinogens, when activated metabolically, are reactive electrophiles which bind covalently to many cellular macromolecules. 1988P. W. Kuchel et al. Schaum's Outl. Theory & Probl. Biochem. viii. 206 Electrophiles are electron-deficient, often cationic..or having an unfilled valence electron shell. |