Abstract
Abstract Amphiphilic enediyne-cored dendrimers were prepared as pure cis and trans isomers. All dendrimers were fluorescent to give fluorescence quantum yield of 0.10–0.64, and they underwent efficient photochemical isomerization with quantum yields of 0.22–0.50 in THF. In water, other photochemical reactions took place. Fluorescence or triplet lifetimes were also strongly affected by dendrimer generation and solvent polarity. The structure–photochemical property relationship of new photoresponsive dendrimers is discussed.
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