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Synthesis 1989; 1989(2): 134
DOI: 10.1055/s-1989-27175
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Synthesis of Bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF)

Jan Larsen* , Christine Lenoir
  • *Université Paris-Sud, Laboratoire de Physique des Solides, Bât. 510, F- 91405 Orsay, France
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Publikationsdatum:
17. September 2002 (online)

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2-Oxo-5,6-dihydro-1,3-dithiolo[4,5-b][1,4]dithiin (4) was prepared in four steps from cheap starting materials in high overall yield. Coupling of 4 with trimethyl phosphite in toluene gave bis(ethylenedithio)tetrathiafulvalene (5; BEDT-TTF; 2,2′-bi-5,6-dihydro-1,3-dithiolo[4.5-b][1,4]dithiinylidene) in 96% yield.