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ADDUIT MEISENHEIMER [1 record]

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Alphabetical list of terms

Record 1 1996-10-11

English

Subject field(s)
  • Chemistry
DEF

A cyclohexadienyl derivative formed as Lewis adduct from a nucleophile (Lewis base) and an aromatic or heteroaromatic compound.

OBS

In earlier usage the term Meisenheimer complex was restricted to the typical Meisenheimer alkoxide adducts of nitro-substituted aromatic ethers.

French

Domaine(s)
  • Chimie
DEF

Adduit de Lewis comportant le groupe cyclohexadiényle, formé entre un nucléophile (base de Lewis) et un composé aromatique hétéroaromatique.

OBS

À l'origine, l'expression «complexe de Meisenheimer» était réservée aux adduits formés entre des ions alcoolates et des éthers aromatiques substitués par des groupes nitro.

OBS

Les adduits cationiques analogues [...] considérés comme des intermédiaires réactionnels intervenant au cours des réactions de substitutions aromatiques électrophiles sont appelés «intermédiaires de Wheland».

Spanish

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