Condensed pyridines Communication 3. Arylidenethio(seleno)acetamides in the synthesis of 4-aryl-3-cyano-2[1H]pyridinethiones and 4-aryl-3-cyano-2[1H]pyridineselenones
Condensed pyridines Communication 3. Arylidenethio(seleno)acetamides in the synthesis of 4-aryl-3-cyano-2[1H]pyridinethiones and 4-aryl-3-cyano-2[1H]pyridineselenones