H. Muller et al., BIS-SUBSTITUTED TETRATHIAPENTALENES - NOVEL BUILDING-BLOCKS FOR EXTENDED TETRATHIAFULVALENES AND CONDUCTING POLYMERS, Tetrahedron letters, 38(18), 1997, pp. 3215-3218
1,3,4,6-tetrathiapentalene-2,5-dione (1) reacts in a Wittig-type fashi
on with aromatic/aliphatic aldehydes 2a - h upon heating in neat triet
hyl phosphite to bis-substituted tetrathiapentalenes (3a - h), which c
an be oligo-/polymerized oxidatively to give vinylogous TTF derivative
s or highly conducting,polymeric solids (sigma(RT) = 1 S/cm), respecti
vely. (C) 1997 Published by Elsevier Science Ltd.