Additions and corrections
An expedient, cost effective large scale synthesis of tetrathiafulvalene
Ronald L. Meline and Ronald L. Elsenbaumer
J. Chem. Soc., Perkin Trans. 1, 1998, 2467
On page 2467 of the above paper the intermediate shown at the bottom left of Scheme 2 is incorrect. The correct structure is reproduced below: