Carbanion, carboxylate stabilised (generic) Carboxylate dianion (generic) 1 Reaction utilises: Carboxylate dianion (generic)   Generic ion. Carboxylate dianion (generic) is defined with respect to the entities below: The entities below are defined with respect to: Carboxylate dianion (generic) Carbanion (generic) Lobe-HOMO Lewis base (generic) chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis