SEARCH Articles Figures Tables Cyclization intramolecular Heck reaction, 2-halo Cyclization reactions Cyclizations intramolecular Endo cyclization intramolecular Heck reaction Heck cyclization Heck intramolecular Heck reaction cyclizations Heck reaction intramolecular Heck reaction intramolecular reactions Intramolecular Heck cyclization Intramolecular cyclization Intramolecular reactions cyclizations