Abstract
Some 3-hydroxy-2-acetyl-1-methylindole N-aryl- and N-alkylimines have been obtained. According to UV and IR spectroscopy, they exist as the acoplanar E-ketoenamine isomers. Structural relaxation in the excited state results in the formation of flattened, fluorescing forms.
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For Communication 44, see [1].
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 774–777, June, 1989.
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Shepelenko, E.N., Dubonosov, A.D., Lyubarskaya, A.E. et al. Benzenoid-quinonoid tautomerism in azomethines and their structural analogs 45. 3-Hydroxy-2-acetyl-1-methylindole imines. Chem Heterocycl Compd 25, 639–642 (1989). https://doi.org/10.1007/BF00470021
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DOI: https://doi.org/10.1007/BF00470021