Synthesis of 9-alkyl-8-methoxy-8-methyl-1,3,6-trioxo-2,7-diazaspiro[4.4]nonane-4-carbonitriles

A method of synthesis of 9-alkyl-8-methyl-8-methoxy-1,3,6-trioxo-2,7-diazaspiro[4.4]nonane-4-carbonitriles consisting in the reaction of 3-amino-8-hydroxy-1,6-dioxo-2,7-diazaspiro[4.4]non-3-ene-4-carbonitriles with methanol in the presence of sulfuric acid was developed.

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Bibliographic Details
Published in:Russian journal of organic chemistry 2016, Vol.52 (11), p.1606-1609
Main Authors: Fedoseev, S. V., Lipin, K. V., Ershov, O. V., Belikov, M. Yu, Tafeenko, V. A.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Organic Chemistry
Sulfuric acid
Synthesis
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Summary:A method of synthesis of 9-alkyl-8-methyl-8-methoxy-1,3,6-trioxo-2,7-diazaspiro[4.4]nonane-4-carbonitriles consisting in the reaction of 3-amino-8-hydroxy-1,6-dioxo-2,7-diazaspiro[4.4]non-3-ene-4-carbonitriles with methanol in the presence of sulfuric acid was developed.
ISSN:1070-4280
1608-3393
DOI:10.1134/S1070428016110105