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Thermal reactions of dialkyl disulfides with acetylene in the presence of methanol

Research paper by E. N. Deryagina, E. N. Sukhomazova, E. P. Levanova, N. A. Korchevin, N. V. Russavskaya

Indexed on: 01 Aug '04Published on: 01 Aug '04Published in: Russian Journal of General Chemistry



Abstract

Gas-phase reaction of diethyl disulfide or “disulfide oil” with acetylene performed in the presence of methanol provides an essentially more selective thiophene formation. The yield of thiophene increases by 20–30%, and the yield of by-products decreases by half.