Ruthenocenoporphyrinoids: Conformation Determines Macrocyclic π Conjugation Transmitted Across a d-Electron Metallocene

Grocka, I.; Latos-Grażyński, L.; Stępień, M.
Angew. Chem. Int. Ed. 2013, 52, 1044-1048 | view at publisher's site

Hinges upon Ru: The hingelike flexibility of ruthenocene plays the critical role as a determinant of aromaticity as exemplified by its aromatic synperiplanar and antiaromatic anticlinal(eclipsed) conformers of ruthenocenoporphyrinoids (see figure).