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Photo‐oxidation and photoreduction of bis(dithiobenzil)nickels
Author(s) -
Nakazumi H,
Takamura R,
Kitao T
Publication year - 1991
Publication title -
journal of the society of dyers and colourists
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 0037-9859
DOI - 10.1111/j.1478-4408.1991.tb01300.x
Subject(s) - substituent , dichloromethane , photochemistry , chemistry , acetonitrile , methylene blue , irradiation , benzene , visible spectrum , photocatalysis , medicinal chemistry , materials science , catalysis , organic chemistry , solvent , physics , optoelectronics , nuclear physics
Photo‐oxidation and photoreduction of bis(dithiobenzil)nickels have been investigated. The quantum yields for photo‐oxidation of anionic bis(dithiobenzil)nickels by u.v. irradiation (313 nm) were in the range 0.07–0.14 in dichloromethane, and this photo‐oxidation on poly(methylmethacrylate) was also observed. Some of the neutral bis(dithiobenzil)nickels in acetonitrile/benzene mixture were photoreduced in the presence of methylene blue as a sensitiser by irradiation in visible light (>390 nm), and a significant substituent effect was observed.