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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/11450

Title: Synthesis of some functionalised isomeric bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) and dithiophenetetrathiafulvalene (DTTTF) pi-donors
Authors: KUMAR, EVKS
SINGH, JD
SINGH, HB
DAS, K
VERGHESE, B
Keywords: electron-donors
crystal-structure
tetrathiafulvalene derivatives
organic metals
spacer groups
systems
dithiaheterocycles
chemistry
analog
anion
Issue Date: 1997
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: TETRAHEDRON, 53(34), 11627-11644
Abstract: The synthesis of some functionalised isomeric, symmetrical tetrathiafulvalene derivatives containing 4,5-(ethylenedithio)-1,3-dithiole and 4,5-(propylenedithio)-1,3-dithiole units is described. These contain hydroxy, chloro and cyano functionalities (4, 6, 9 and 12). Interestingly, attempted coupling of 4,5-bis(propargylthio)-1,3-dithiole-2-thione 13, to obtain the corresponding TTF, 14 afforded the novel thione, 5-methylthieno[2,3-d]-1,3-dithiole-2-thione 15. Self coupling of thione 15 in the presence of trimethyl phosphite afforded new functionalised dithiophenetetrathiafulvalene 16. The X-ray crysal structures of 4,5-bis(propargyldithio)-1,3-dithiole-2-thione 13 and 5-methylthieno[2,3-d]-1,3-dithiole-2-thione 15 are described. (C) 1997 .
URI: http://dspace.library.iitb.ac.in/xmlui/handle/10054/11450
http://hdl.handle.net/10054/11450
ISSN: 0040-4020
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