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Beilstein J. Org. Chem. 2025, 21, 358–368, doi:10.3762/bjoc.21.26
Graphical Abstract
Scheme 1: Synthesis of 2-hetaryl-substituted 1,3-tropolones 1.
Scheme 2: Synthesis of 1,3-tropolones 7a,b and 8a,b. Reagents and conditions: method A: dioxane, reflux; meth...
Figure 1: Structural characteristics of (NH) and (OH) tautomeric forms of compounds 7 and 8 in the gas phase ...
Figure 2: Scheme of HMBC correlations of compound 7a in DMSO-d6.
Figure 3: Molecular structure of 2-(3,3-dimethyl-3H-benzo[g]indolin-2-yl)-5,6,7-trichloro-1,3-tropolone (7b).
Figure 4: Result of matching structures of 7b (solid lines) and 2-(3,3-dimethylindolin-2-yl)-5,6,7-trichloro-...
Figure 5: Absorption and emission spectra of compound 8b in acetonitrile before (1,1’) (c 2.5 × 10−5 mol L–1)...
Scheme 3: Possible binding mode of 7 and 8 with CN− and F−.
Figure 6: Dose–response curves for H1299 and A431 cells treated with compound 7a for 24 h. *Significant diffe...