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ambident (comparative more ambident, superlative most ambident)

  1. (chemistry) Describing a molecule or group that has two alternative and interacting reaction sites, to either of which a bond may be made during a reaction
    Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich
    Ambident dienophile 57 reacts with DAPC 54 at the cyclobutene π-bond to produce ligand 58; in contrast, the related ambident dienophile 59 reacts with DAPC 54 at the naphthoquinone π-center to produce adduct 60 (lack of shielding of the methylene protons supports the stereochemical assignment).