SEARCH Articles Figures Tables 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 carbonyl complexes alkynes Tungsten catalysts alkyne metathesis Tungsten complexes alkynes Tungsten complexes with alkynes Tungsten, terminal alkyne