A Convenient Preparation of Anhydrous Alkali Metal Thiocarboxylates

Alkali metal salts of thiocarboxylic acid, especially anhydrous salts, are of the most important starting materials. However, only a limited amount of information on their preparation and spectral data has been available because of their strong hygroscopicity [1]. Recently, the convenient preparation methods of a series of anhydrous alkali metal dithiocarboxylates were developed [2]. This result stimulated us to develop similar convenient methods for the preparation of anhydrous alkali metal thiocarboxylates and to compare their physical properties.