Conclusions
The reaction of p-diethylbenzene and H2S on a chromium-containing oxide catalyst gives a thiophene analog of phenanthrene, namely, benzo[2,1-b∶3,4-b′]dithiophene, and a thiophene analog of anthracene, namely, benzo[1,2-b∶4,5-b′]dithiophene.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2857–2859, December, 1988.
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Ryashentseva, M.A., Belanova, E.P., Minachev, K.M. et al. Catalytic synthesis of benzodithiophenes. Russ Chem Bull 37, 2579–2581 (1988). https://doi.org/10.1007/BF00952649
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DOI: https://doi.org/10.1007/BF00952649