SEARCH Articles Figures Tables Alkyne complexe Alkyne complexes Oxidation states tungsten-alkyne complexes Ring-closing alkyne metathesis tungsten alkylidyne complex TUngsten complexes alkyne, structures TUngsten complexes four-electron alkyne ligands Tungsten alkyne molybdenum complex Tungsten alkynes Tungsten carbonyl complexes alkynes Tungsten complexes with alkynes