Chemistry of Heterocyclic Compounds p. 1049 - 1052 (1991)
Update date:2022-08-02
Topics:
Korchevin, N. A.
Sukhomazova, E. N.
Russavskaya, N. V.
Turchaninova, L. P.
Sigalov, M. V.
et al.
In the gas phase at 350-410 deg C allyl 2-thienyl sulfide is converted to thiophene-2-thiol, di(2-thienyl) sulfide, and 2-methylthieno<2,3-b>thiophene.In the presence of acetylene thieno<2,3-b>thiophene is formed in addition to these products.Allyl 2-thienyl selenide is converted quantitatively to 2,3-dihydro-2-methylselenopheno<2,3-b>thiophene during fractional distillation in vacuo.Thiophene, di(2-thienyl) selenide, di(2-thienyl) diselenide, thiophene-2-selenol, and 2-methylselenopheno<2,3-b>thiophene are formed in addition to these compounds in the thermolysis ofallyl thienyl selenide in the gas phase.In the presence of acetylene the thermal decomposition of allyl thienyl selenide is accompanied by the formation of selenophene.
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