A Facile Synthesis of Bis(ethylenedithio)tetrathiafulvalene
- 1 January 1993
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1993 (09) , 853-854
- https://doi.org/10.1055/s-1993-25953
Abstract
5,6-Dihydro-1,3-dithiolo[4,5-b][1,4]dithiin-2-one (3) was prepared in one step starting from thiapendione (1; [1,3]dithiolo[4, 5-d][1,3]dithiole-2,5-dione) in 55% yield via 4,5-dimercapto-1, 3-dithiol-2-one (2). Coupling of 3 in triethyl phosphite gave bis(ethylenedithio)tetrathiafulvalene [4; BEDT-TTF; 2,2′-bi-(5, 6-dihydro-1,3-dithiolo[4,5-b][1,4]dithiinylidene)] in 85% yield. The conditions for the formation of intermediates like 2 by basic cleavage of 1 are briefly discussed.Keywords
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