Some Specific Features of Acid Nitration of 2-Substituted 4,6-Dihydroxypyrimidines. Nucleophilic Cleavage of the Nitration Products View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2001-05

AUTHORS

A. A. Astrat'ev, D. V. Dashko, A. Yu. Mershin, A. I. Stepanov, N. A. Urazgil'deev†

ABSTRACT

The nitration of 2-substituted 4,6-dihydroxypyrimidines in concentrated sulfuric acid yields the corresponding 5,5-dinitro derivatives. When the substituent in position 2 is an alkyl group, the nitration occurs both at position 5 and at the α-carbon atom of the side chain. Hydrolysis of 2-substituted 4,6-dihydroxy-5,5-dinitropyrimidines leads to formation of 1,1-diamino-2-R-2-nitroethylene derivatives. 1,1-Diamino-2,2-dinitro-ethylene was obtained by nitration of 4,6-dihydroxy-2-methylpyrimidine and subsequent hydrolysis of 4,6-dihydroxy-5,5-dinitro-2-(dinitromethylene)-2,5-dihydropyrimidine. More... »

PAGES

729-733

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/a:1012568305472

DOI

http://dx.doi.org/10.1023/a:1012568305472

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1034905600


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