Conclusions
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1.
Radical arylation of 3-arylamino-2-phenyl-1-indenthiones with aryldiazonium fluoroborates or N-nitrosoacetanilide leads to the corresponding 1-arylamino-2-phenyl-3-arylthioindenes with high yield. Partial hydrolysis of the latter under the reaction conditions form 1-oxo-2-phenyl-3-arylthioindenes as by-products.
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2.
The similarity of thioamides and their vinylogs (the aminoindenthiones) in radical arylation reactions was established.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 901–905, April, 1989.
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Kandror, I.I., Usov, V.A., Bragina, I.O. et al. Radical arylation of substituted 3-amino-1-indenthiones — Cyclic vinylogs of thioamides. Russ Chem Bull 38, 811–815 (1989). https://doi.org/10.1007/BF00953296
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DOI: https://doi.org/10.1007/BF00953296