Synthesis of spiro[imidazole-2,2′-pyrroles] by reaction of 4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with urea View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2016-12

AUTHORS

A. Yu. Dubovtsev, P. S. Silaichev, M. A. Zheleznova, Z. G. Aliev, A. N. Maslivets

ABSTRACT

Substituted alkyl 4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates reacted with urea to give alkyl 2-(carbamoylamino)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-2-carboxylates which underwent intramolecular cyclization to 8-hydroxy-1,3,6-triazaspiro[4.4]non-8-ene-2,4,7-triones by the action of sodium methoxide.

PAGES

1779-1783

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1070428016120113

DOI

http://dx.doi.org/10.1134/s1070428016120113

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1083803937


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