Abstract
A new diarylethene with an antipyrine unit was synthesized and its multi-controllable photochromic and fluorescent behaviors induced by stimulation of light, acid/base, and metal ions were investigated in detail. The diarylethene showed favorable photochromism by photoirradiation, but its photochromism was entirely inhibited by the stimulation of tetrabutylammonium hydroxide. Its fluorescence showed sequence-dependent responses through efficient interaction of salicylaldehyde-linked antipyrine unit with light, base, and specific metal ions. Its fluorescence intensity was enhanced sharply with a notable color change from bright orange to bright yellow as a naked-eye fluorescent chemosensor for recognition of Al3+ with high selectivity. Finally, two logic circuits were constructed on the basis of the multi-responsive photochromic and fluorescent behaviors of the unimolecular platform.
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