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Synthesis 1990; 1990(10): 959-961
DOI: 10.1055/s-1990-27065
DOI: 10.1055/s-1990-27065
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© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.
Synthesis of 4-Chloro-5-cyano-2-dimethylamino-6H-1,3-oxazin-6-one from the Salts of Alkyl Dicyanoacetates and Some of Its Reactions
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Publikationsdatum:
17. September 2002 (online)
![](https://www.thieme-connect.de/media/synthesis/199010/lookinside/thumbnails/10.1055-s-1990-27065-1.jpg)
The salts of alkyl dicyanoacetates and methyl 3-amino-3-chloro-2-cyanoacrylate react in chloroform with N-(dichloromethylene)dimethylammonium chloride to give 4-chloro-5-cyano-2-dimethyl- amino-6H,3-oxazin-6-one. The chloro atom of this compound can be easily substituted by alcohols or amines in good yield.