138696-69-2Relevant academic research and scientific papers
Efficient one pot preparation of variously substituted thieno[2,3-b]thiophene
Comel,Kirsch
, p. 1167 - 1171 (2001)
An efficient one pot access to variously substituted thieno[2,3-b]thiophene is described. The title compounds were obtained from 1,3-dicarbonyl or equivalent compounds, carbon disulfide and halomethyl derivatives in good to high yields and fully characterized.
Ambidoselective Dithiocarboxylation and Thiocarbamoylation of β-Keto Enolates
Rudolf, Wolf-Dieter,Koeditz, Jens,Tersakian, Ani,Chatterjee, Swapan Kumar
, p. 387 - 394 (2007/10/02)
Treatment of β-keto enolates 1 with carbon disulfide in the presence of sodium hydride and subsequent alkylation yield the open-chain or cyclic acylformylketene S,S-acetals 3 and 4, respectively.Thiophenes 5, 6, or 7 and thienothiophenes 8 are form
