319. The reactivity of the alkylthio-group in nitrogen ring compounds. Part I. A general method for the preparation of symmetrical and unsymmetrical thiacyanines
JD Kendall, HG Suggate
文献索引:Kendall; Suggate Journal of the Chemical Society, 1949 , p. 1503,1505
THE first symmetrical thiacyanine, 3: 3'-diethylthiacyanine iodide (I), was isolated by Mills (J., 1922, 121, 458) from the products of the action of ammonia on an aqueous solution of benzthiazole ethiodide and 2-methylbenzthiazole ethiodide, and its constitution established