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单词 electrophilicity
释义

electrophilicityn.

Brit. /ᵻˌlɛktrəʊfᵻˈlɪsᵻti/, U.S. /əˌlɛktroʊfəˈlɪsədi/, /əˌlɛktrəfəˈlɪsədi/, /iˌlɛktrəfəˈlɪsədi/, /iˌlɛktroʊfəˈlɪsədi/
Origin: Formed within English, by derivation. Etymons: electrophilic adj., -ity suffix.
Etymology: < electrophilic adj. + -ity suffix; compare -icity suffix.
Chemistry.
Electrophilic character.
ΚΠ
1951 Jrnl. Amer. Chem. Soc. 73 622/1 Such coördination..would result in an increase in the electrophilicity of the carbon atom.
1951 E. H. Rodd Chem. Carbon Compounds 658 On the basis of relative electrophilicity and other considerations it has been concluded that caryophyllene has the endocyclic double bondtrans,..whilst in iso-caryophyllene it is cis.
1977 J. March Adv. Org. Chem. (ed. 2) xi. 477 Such groups increase the concentration of the positive charge and thus the electrophilicity of the ArN2+.
1998 A. T. Stone in D. L. Macalady Perspectives in Environmental Chem. v. 83 It is believed that Cu ii coordinates the phosphorothioate sulfur, thereby increasing the electrophilicity of the phosphorothioate phosphorus and activating it toward nucleophilic attack.
This is a new entry (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1951
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