Photodriven Multi‐electron Storage in Disubstituted Ru II  Dppz Analogues | Zendy

Aslan Joseph M. | Zendy; Boston David J. | Zendy; MacDonnell Frederick M. | Zendy

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Photodriven Multi‐electron Storage in Disubstituted Ru II Dppz Analogues

Author(s) -

Aslan Joseph M.,

Boston David J.,

MacDonnell Frederick M.

Publication year - 2015

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201502607

Subject(s) - phenazine , chemistry , ruthenium , homo/lumo , ligand (biochemistry) , quinoxaline , triethylamine , photochemistry , electron acceptor , titration , stereochemistry , crystallography , molecule , inorganic chemistry , catalysis , organic chemistry , biochemistry , receptor

Four derivatives of the laminate acceptor ligand dipyrido‐[3,2‐a:2′,3′‐c]phenazine (dppz) and their corresponding ruthenium complexes, [Ru(phen) 2 (dppzX 2 )] 2+ , were prepared and characterized by NMR spectroscopy, ESI‐MS, and elemental analysis. The new ligands, generically denoted dppzX 2 , were symmetrically disubstituted on the distal benzene ring to give 10,13‐dibromodppz (dppz‐ p ‐Br), 11,12‐dibromodppz (dppz‐ o ‐Br), 10,13‐dicyanodppz (dppz‐ p ‐CN), 11,12‐dicyanodppz (dppz‐ o ‐CN). Solvated ground state MO calculations of the ruthenium complexes reveal that these electron‐withdrawing substituents not only lower the LUMO of the dppz ligand (dppz(CN) 2

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