Tautomerism and Stereodynamics of Indophenols, Amidines, and Their Derivatives and Analogs: XV.1 Cyclization of N-Benzylidene-N'-R-sulfonyl-o-phenylenediamines to Tetrahydroquinoxalines View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2003-08

AUTHORS

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

ABSTRACT

Alkylation of N-benzylidene-N'-R-sulfonyl-o-phenylenediamines with phenacyl bromides is accompanied by diastereoselective cyclization to afford tetrahydroquinoxaline derivatives. No cyclization occurs in the alkylation of the same compounds with p-nitrobenzyl bromide or chloroacetamide derivatives because of reduced reactivity of the N-methylene protons.

PAGES

1288-1292

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/b:rugc.0000007659.30597.5c

DOI

http://dx.doi.org/10.1023/b:rugc.0000007659.30597.5c

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1032844602


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