New synthetic routes to face-to-face and open-book triazenide-bridged dirhodium bipyridyl complexes with the [rh2]4+ core

1. Connelly, N.G.
2. Einig, T.
3. Herbosa, G.G.
4. Hopkins, P.M.
5. Mealli, C.
6. Orpen, A.G.
7. Rosair, G.M.
8. Viguri, F.