Enantioselective [1,3] O-to-C rearrangement: dearomatization of alkyl 2-allyloxy/benzyloxy-1/3-naphthoates catalyzed by a chiral π–Cu(ii) complex† †Electronic supplementary information (ESI) available. CCDC 1865509 and 1865510. For ESI and crystallographic data in CIF or other electronic format see