A catalyst-and additive-free method for preparing benzo[e]indole derivatives from 2-tetralones, 1,2-diketones and NH4OAc is established. This strategy features broad substrate compatibility and gram-scale scalability. Further photophysical investigations display favorable fluorescence performances, demonstrating their promising potential as fluorescent probes.
M. Liu, Q. Tan and F. Zhao, Chem. Commun., 2026, Accepted Manuscript , DOI: 10.1039/D6CC01590E
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