SEARCH Articles Figures Tables Addition reactions C—O bond formation C-O formation C=O bonds Formation of C-O Bonds Intramolecular C—O bond formation O Bond Formation Reaction Initiated by C-O Bond Formation Solvent-Free C-O Bond Formation Solvent-Free C-O Bond Formation under Microwave Irradiation Solvent-free C-O bond formation, under Solvent-free C-O bond formation, under photoirradiation Transition Metal Catalyzed Approaches to Lactones Involving C-O Bond Formation Wacker oxidation C—O bond formation