SEARCH Articles Figures Tables Cyclization intramolecular Heck reaction, 2-halo Cyclizations intramolecular Endo cyclization intramolecular Heck reaction Heck cyclization Heck intramolecular Intramolecular "aryl-Heck" cyclization Intramolecular Heck cyclization reaction Intramolecular Heck-type cyclization Intramolecular cyclization