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Synthesis 1999; 1999(4): 577-579
DOI: 10.1055/s-1999-3451
short paper
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Improved Synthesis of the π-Electron Donor Bis(ethylenethio)tetrathiafulvalene (BET-TTF)

Aarón Pérez-Benítez* , Judit Tarrés, Elisabet Ribera, Jaume Veciana, Concepció Rovira
  • *Institut de Ciència de Materials de Barcelona (CSIC), Campus Universitari, E-08193-Bellaterra, Spain; Fax +34(93)5 80 57 29; E-mail: c.rovira@icmab.es
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Publication Date:
31 December 1999 (online)

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Following a three step route, 5,6-dihydrothieno[2,3-d]-1,3-dithiol-2-one (5) was synthesized in gram quantities starting from commercially available reagents. Coupling of 5 with trimethyl phosphite gave the π-donor bis(ethylenethio)tetrathiafulvalene 1 in 80% yield.

tetrathiafulvalene analog - 1,3-dithiol-2-one - trimethyl phosphite - coupling reactions