J. Becher et al., CESIUM TETRATHIAFULVALENE-THIOLATES - KEY SYNTHETIC INTERMEDIATES, Journal of the Chemical Society, Chemical Communications, (23), 1994, pp. 2715-2716
Treatment of cyanoethylated tetrathiafulvalene-thiolates or cyanoethyl
ated 1,3-dithiole-2-thione-4,5-dithiolate with one equiv. of caesium h
ydroxide hydrate selectively-and in high yield produces the correspond
ing monocaesium salts, which can subsequently be alkylated.