SEARCH Articles Figures Tables Addition alkynes Addition of alkynes Addition of electrophiles Addition to alkynes Alkynes electrophilic Alkynes metalated Alkynes metallation Electrophiles sulfides Electrophiles, metals Electrophilic addition metals Electrophilic addition to alkynes Electrophilic metalation Electrophilic metallation Metal additives Metal alkynes Metal sulfides Metalation alkynes Metallated sulfides Metallation of alkynes Metallic sulfides Metals addition Sulfided metals Sulfides metallation To alkynes