Conclusions
Substituted 2,2,4-trimethyl-1,2,3,4-tetrahydroquinolines upon reaction with a six-fold amount of sulfur at 210–220°C, similarly to dihydroquinolines, give the corresponding 4,5-dihydro-4,4-dimethyl-2,3-dithiolo[3,4-c]quinoline-1-thiones.
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Literature cited
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 191–192, January, 1989.
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Shikhaliev, K.S., Kasaikina, O.T. & Shmyreva, Z.V. Sulfuration of 2,2,4-trimethyl-1,2,3,4-tetrahydroquinolines. Russ Chem Bull 38, 176–178 (1989). https://doi.org/10.1007/BF00953730
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DOI: https://doi.org/10.1007/BF00953730