Leaving group
离去基团
Explanation (EN)
An atom or group of atoms that departs from a molecule during a chemical reaction. Leaving groups are often involved in nucleophilic substitution reactions.
Explanation (ZH)
在化学反应过程中离开分子的原子或原子团。离去基团通常参与亲核取代反应。(zài huà xué fǎn yìng guò chéng zhōng lí kāi fēn zǐ de yuán zǐ huò yuán zǐ tuán. lí qù jī tuán tōng cháng cān yǔ qīn hé qǔ dài fǎn yìng.)
About the IPA
The International Phonetic Alphabet is a standardized system of symbols used to represent the sounds of spoken language.
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Example: the word "hello" in British English is transcribed as /həˈləʊ/ in IPA.