Reactivity of a Stable and Highly Electron-Rich (η6-Diborabenzene)nickel(0) Synthon | Inorganic Chemistry pubs.acs.org/doi/10.1021/... Braunschweig and co-workers @InorgChem #nickel #Ni2 #CO #halfsandwich #chromium #iminoborane #aminoborylene #PPB #DFT #DBB