SYNTHESIS AND SPECTRAL-KINETIC INVESTIGATION OF FULGIMIDE-BASED PHOTOCHROMIC AUTOCOMPLEXES OF THE DINITROQUINOLINE SERIESстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Two new hybrid compounds, which belong to autocomplexes of the dinitroquinoline series
and contain an NH spacer and fragments of photochromic fulgimides as donor components,
were synthesized. These autocomplexes were used as ligands in the synthesis of cobaltcontaining
metal chelates. The spectral-kinetic study revealed that these compounds exhibit
photochromism. The introduction of photochromic fulgimide moieties into the autocomplexes
has no substantial effect on the spectral properties of the latter but influences the kinetics of
photochromic transformations by decreasing their efficiency. Chelate complexes of the the
hybrid compounds with cobalt ions are characterized by the lowest efficiency of photochromic
transformations due to a decrease in the intensity of activating radiation as a result of its
absorption by the dinitroquinoline moieties, which are not conjugated with fragments of
photochromic compounds.