Molecular design, photoisomerization and complexation of crown-ether styryl dyesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The structure of a new class of dyes, crown ether styryl dyes, is discussed. Quantitative data on trans-cis- and cis-trans-photo-isomerization quantum yields and complexation of the obtained compounds are analyzed. The results on photoinduced and dark complexation of chromogenic 15-crown-5 ether betaine are reported. The formation of an intermolecular coordination bond between a sulfogroup and a metal cation in a crown cavity leading to cis-isomer stabilization has been established.