Bis-Pseudoindoxyls: A Compact Fluorophore with Red-Shifted Absorption and Fluorescence for Bioimaging Applications
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A new class of single benzene-based fluorophores, bis-pseudoindoxyls, was developed. The core scaffold 14CO25NH is constructed via a visible-light-induced radical cyclization. Subsequent N-alkylation produced pronounced bathochromic shifts. The optimized dye 1... ...
