Photo-activated Valence Isomerization of Hexamethyl(Dewar benzene) (HMDB) assisted by Arene - Iron(II) Complexes: Luminescence Properties of 5-C5R5)Fe+(η6-arene)>* Adducts

Article abstract of DOI:10.1039/c39840001067

Hexamethyl(Dewar benzene) (HMDB) isomerizes to hexamethylbenzene (HMB) under visible light irradiation in the presence of stoicheiometric or catalytic amounts of the cationic complexes <(η⁵-C5R5)Fe(η⁶-arene)>+X-, (R = H, Me; X = BF4^-, PF6^-), (1a - e) and (2), in dichloromethane solutions at 273 K; mixtures of HMDB and (1b - e) or (2) in dichloromethane exhibit a luminescence band at 530 - 540 nm probably due to formation of the corresponding exciplex.

Full text of DOI:10.1039/c39840001067

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