Adjective
ambident (comparative more ambident, superlative most ambident)
(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).