Regioselective and regiospecific reactions of ethyl ortho-(dimethylaminovinylazoloazinylcarboxylates with hydrazine View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2010-04

AUTHORS

V. V. Didenko, A. Yu. Potapov, I. V. Ledeneva, Kh. S. Shikhaliev, O. V. Konyushko

ABSTRACT

Selectivity of reactions of ethyl 4-[(E)-2(dimethylamino)vinyl]pyrazolo[5,1-c]-[1,2,4]triazino-3-ylcarboxylates and ethyl 7-[(E)-2-(dimethylamino)vinyl][1,2,4]triazolo[1,5]pyrimidine-6-ylcarboxylates with hydrazine in various solvents was studied. The formation of a pyridone cycle proceeds regiospecifically in dimethyl formamide or dimethyl acetamide. A regioselective cyclization resulting in fused 1,2-diazepines occurs in acetic or propionic acid.

PAGES

814-817

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1070363210040225

DOI

http://dx.doi.org/10.1134/s1070363210040225

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1037832744


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