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

S. V. Fedoseev; K. V. Lipin; O. V. Ershov; M. Yu. Belikov; V. A. Tafeenko

doi:10.1134/S1070428016110105

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

Autores: Fedoseev S.V.¹, Lipin K.V.¹, Ershov O.V.¹, Belikov M.Y.¹, Tafeenko V.A.²
Afiliações:
1. I.N. Ul’yanov Chuvash State University
2. Lomonosov Moscow State University
Edição: Volume 52, Nº 11 (2016)
Páginas: 1606-1609
Seção: Article
URL: https://bakhtiniada.ru/1070-4280/article/view/215216
DOI: https://doi.org/10.1134/S1070428016110105
ID: 215216

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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.