SEARCH Articles Figures Tables Aromatic rings, regioselective metalation Beminamycinic acid via regioselective metallation Directed metalation regioselective lithiation Five-membered heterocycles metallation regioselectivity Regioselective metalation Regioselective metallation Regioselective metallation Regioselectivity metal enolate formation Regioselectivity metal-mediated reactions Regioselectivity metallation Regioselectivity metallation Regioselectivity transition-metal catalyzed allylic alkylations Regioselectivity, in metal-catalysed Transition metal enolates regioselectivity