Robuta

https://pubs.rsc.org/en/content/articlelanding/2012/sc/c2sc20628e Exploiting a dimeric silver transmetallating reagent to synthesize macrocyclic tetracarbene... A dimeric macrocyclic tetra-N-heterocyclic carbene (NHC) silver complex was synthesized and shown to successfully extend transmetallation of polydentate NHCs... exploitingsilverreagentsynthesize