Abstract: | Conclusions The reaction of p-diethylbenzene and H2S on a chromium-containing oxide catalyst gives a thiophene analog of phenanthrene, namely, benzo2,1-b3,4-b]dithiophene, and a thiophene analog of anthracene, namely, benzo1,2-b4,5-b]dithiophene.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2857–2859, December, 1988. |