Tautomerism and Stereodynamics of Indophenols, Amidines, Their Derivatives, and Analogs: XIV. New Methods of Synthesis of Spiro-Fused Quinoxalines View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2001-06

AUTHORS

S. V. Kurbatov, N. I. Vikrishchuk, V. I. Simakov, D. N. Kuznetsov, Yu. A. Zhdanov, L. P. Olekhnovich

ABSTRACT

A new procedure was proposed for synthesis of quinoxaline derivatives by N-alkylation of 2,6-di-tert-butyl-4-(o-R-sulfonylaminophenylimino)-2,5-cyclohexadienones and subsequent intramolecular spirocyclization. A necessary condition for the reaction to occur is high mobility of hydrogen in the N-methylene group, which is activated by electron-acceptor aroyl or two ethoxycarbonyl groups.

PAGES

950-955

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/a:1012399922502

DOI

http://dx.doi.org/10.1023/a:1012399922502

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1011961663


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