SEARCH Articles Figures Tables Cyclization oxacycle preparation Endo-oxacyclization Oxacycle formation Oxacycle synthesis Oxacycle synthesis formation Oxacycles annulated Oxacycles, tandem synthesis Oxacyclic Substrates Oxacyclic ethers Oxacyclic monomers Oxacyclic natural products Oxacyclic ring systems Oxacyclization Oxacyclization Stereoselective oxacyclizations Synthesis of Oxacyclic Natural Products