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Er studierte an der Technischen Hochschule Dresden Chemie. Sein Doktorvater war Friedrich Asinger. Gewald wurde emeritiert. Wissenschaftliche Leistungen[ Bearbeiten Quelltext bearbeiten ] Gewald ist international bekannt geworden durch die von ihm entdeckte Gewald-Reaktion, eine Mehrkomponentenreaktion zur Herstellung von Heterocyclen , speziell Aminothiophenen.

Gewald: Heterozyklen aus CH-aciden Nitrilen. Einfache Synthese von 2-Aminothiophenen, Z. Gewald; E. Schinke; H. Schinke: Heterozyklen aus CH-aciden Nitrilen.

Reaktion von Aceton mit Cyanessigester und Schwefel, Chem. Gewald; G. Neumann; H. Neue Synthese von 2-Aminothionaphthenen, Z. Mayer; K. Gewald: Action of carbon disulfide and sulfur on enamines, ketimines, and CH acids, Angew. Gewald, P. Bellman, H. Jaensch: Neue Synthese von 4-Aminoisothiazolen, Z. Gewald: Synthesen und Reaktionen von 2-Aminothiophenen, Khim. Gewald: Recent syntheses of heteroaromatic amines by cyclizations of nitriles, Lectures in Heterocyclic Chem.

Sabnis, Sulfur Reports, , 16, S. Auflage , S. Mundy, Michael G. Ellerd, Frank G. Favaloro, Jr. Auflage S. Katritzky, Christopher A. Ramsden, John A. Joule, Viktor V. Zhdankin: Handbook of Heterocyclic Chemistry, Elsevier: 3. Gronowitz, A.



Request permissions A new four-component reaction involving the Michael addition and the Gewald reaction, leading to diverse biologically active 2-aminothiophenes J. Thomas, S. Jana, M. Sonawane, B. Fiey, J. Balzarini, S.


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Can Gewald reaction exhibit divisibility? Gewald reaction exhibits divisibility. Gewald reaction can be divided into things called the parts phases of Gewald reaction. What are the parts phases of Gewald reaction? Comparability Edit Can Gewald reaction exhibit comparability? Gewald reaction exhibits comparability.

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