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Reactions with monothiomalonamides: Synthesis of Polysubstituted Thiazoles (1988)

El-Reedy, A. M. ; Hussain, S. M. ; Youssef, M. M. M.

New York, NY : Wiley-Blackwell

Journal für Praktische Chemie/Chemiker-Zeitung 330 (1988), S. 521-529

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ISSN: 0021-8383

Keywords: Chemistry ; Organic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Monothiomalonamides (1a, b) coupled with arenediazonium salts yield the α-arylhydrazone derivatives (2a - c), Reaction of 1a, b with α-haloketones afforded polysubstituted thiazoles 6a - c. Compounds 6 condensed with p-nitrosodimethylaniline and coupled with arenediazonium salts yield the azomethine derivatives 7a - d and the arylhydrazones 8a - h, respectively.Compounds 1a, b behave differently towards hydrazonyl chlorides, they yielded arylazodimethylthiazoles 13a - c and thiazolylacetanilides 12a - c respectively.

Additional Material: 5 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/prac.19883300405

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