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单词 hyperconjugation
释义 hy·per·conjugation
\| ̷ ̷ ̷ ̷+\ noun
Etymology: hyper- + 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−CH2 CR = CR2↔H+CH2 = CR−CR2-) — called also no-bond resonance
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更新时间:2024/9/22 4:20:23