Summary
Sulfated zirconia effectively catalyzes the reaction of carbonyl compounds with 1,2-ethanedithiol or thiophenol to afford the corresponding dithioacetals as useful organosulfur synthons. Isolation of pure products in high yields by simple filtration and evaporation is an important feature of this method.
Zusammenfassung
ZrO2/SO 42− katalysiert die Reaktion von Carbonylverbindungen mit 1,2-Ethandiol oder Thiophenol zu den als Organoschwefelsynthonen wertvollen entrsprechenden Dithioacetalen. Ein wichtiges Merkmal der Methode ist die einfache Isolierung der Produkte in guten Ausbeuten durch Filtration und Entfernung des Lösungsmittels.
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Bandgar, B.P., Kasture, S.P. Synthetic methods, III: Sulfated zirconia catalyzed thioacetalization of carbonyl compounds. Monatsh Chem 127, 1305–1308 (1996). https://doi.org/10.1007/BF00807798
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DOI: https://doi.org/10.1007/BF00807798