| 释义 |
nucleophile
nu·cle·o·phile N0187500 (no͞o′klē-ə-fīl′, nyo͞o′-)n. An electron-rich chemical compound or group that is attracted to nuclei and tends to donate or share electrons. Also called Lewis base.nucleophile (ˈnjuːklɪəʊˌfaɪl) n (Chemistry) chem a molecule, atom, or ion that behaves as an electron donorTranslationsnucleophile
nucleophile[′nü·klē·ə‚fīl] (physical chemistry) A species possessing one or more electron-rich sites, such as an unshared pair of electrons, the negative end of a polar bond, or pi electrons. Also known as electron donor. nucleophile
nucleophile [noo´kle-o-fīl″] an electron donor in chemical reactions involving covalent catalysis in which the donated electrons bond other chemical groups (electrophiles). adj., adj nucleophil´ic.nu·cle·o·phil , nucleophile (nū'klē-ō-fil', -fīl), 1. The electron pair donor atom in a chemical reaction in which a pair of electrons is picked up by an electrophil; any reagent or substance that is attracted to a region of low electron density. 2. Relating to a nucleophil. Synonym(s): nucleophilic (1) [nucleo- + G. philos, fond] nu·cle·o·phil , nucleophile (nū'klē-ō-fil, -fīl) 1. The electron pair donor atom in a chemical reaction in which a pair of electrons is picked up by an electrophil. 2. Relating to a nucleophil.
Synonym(s): nucleophilic (1) . [nucleo- + G. philos, fond] |