SEARCH Articles Figures Tables Acetals spiroketals Acid-catalyzed spiroketalization Acid-catalyzed spiroketalization reaction Allylic alcohols spiroketalization Aromatic spiroketal Axial spiroketal oxygen DAH ammonium salt by spiroketal glycosides Dihydroxy spiroketals Ketals spiroketals Metathesis spiroketals Milbemycins spiroketal portion Natural spiroketal Poly-spiroketal structure Polyacetylenes spiroketals Spiro compounds spiroketals Spiroketal construction Spiroketal cyclization Spiroketal enol ethers Spiroketal formation Spiroketal glycosides Spiroketal pheromone Spiroketal reduction Spiroketal reduction with Silane-Lewis acid Spiroketal structure Spiroketal-containing natural products Spiroketal-containing natural products 5.6] -Spiroketals Spiroketal-containing natural products Spiroketalization Spiroketalization Spiroketalization Spiroketals Spiroketals (Saponins) Spiroketals chiral Spiroketals diaxial configuration Spiroketals in Natural Product Synthesis Spiroketals reduction Spiroketals stereoselective synthesis Spiroketals synthesis Spiroketals via organocerium reagents Spiroketals, asymmetric synthesis Spiroketals, conformation Spiroketals, formation Stereoselective synthesis of spiroketals