Ethylthiocyanat (I) reagiert mit sekundären Aminen (II) über das Additionsprodukt (III) in Gegenwart von Oxiden des Zinks, Cadmiums oder Quecksilbers zu den Cyan‐amiden (IV).
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248ChemInform Abstract Rhodanic acid, obtained from pyridinium rhodanide (II) and sulfuric acid, is trimerized in isopropanol to give 1,3,5-trimercapto-s-triazine (III). (IR-, NMR-data).
Bei der Umsetzung zwischen Piperidin (I) und überschüssigem Ethylthiocyanat (II) in Gegenwart des Salzes (III) entstehen nach den im Formelschema angegebenen Gleichungen N‐Ethylpiperidin (IV), das Isothioharnstoffderivat (V) sowie die Verbindung‐(VI) und das Disulfid (VIII), als Produkte von Parallel‐ und Folgereaktionen.
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