The condensation reaction between ethyl cyano-pyruvate and a 2-methylmercapto-benzothiazole quaternary salt yields the corresponding 2-cyano-methylene base. This product is identical with the compound which is obtained when the same quaternary salt is allowed to react with cyano-acetic acid, or when...
van Dormael, A.Chemische Research laboratoria der N. V. Photo‐Producten Gevaert, Mortsel‐Antwerpen, (Louvain)Ghys, T. H.Chemische Research laboratoria der N. V. Photo‐Producten Gevaert, Mortsel‐Antwerpen, (Louvain)John Wiley & Sons, Ltd.Bulletin des Sociétés Chimiques Belges...