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单词 hyperconjugation
释义

hyperconjugation

noun

hy·​per·​conjugation
: resonance in an organic chemical structure that involves as part of the resonance hybrid the separation of a proton from a methyl or other alkyl group situated next to an electron-deficient unit (as a double bond or carbonium ion), the electrons released by the proton tending to move toward the electron-deficient function with resultant stabilization of the entire structure (as in a trisubstituted propylene H−CH2CR=CR2↔H+CH2=CR−CR2)

called also no-bond resonance

Word History

Etymology

hyper- + conjugation

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更新时间:2024/9/25 17:19:24