Nitro derivatives of 1,3-dihydrobenzimidazol-2-one: II. Rearrangement of N-nitrobenzimidazol-2-ones View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2009-10

AUTHORS

E. V. Tatarnikova, V. V. Sizov, A. V. Aleksandrov, I. V. Tselinskii

ABSTRACT

N-Nitrobenzimidazol-2-ones readily undergo rearrangement to C-nitro derivatives on heating in various solvents (ethyl acetate, butyl acetate, acetonitrile, acetone, dioxane, o-dichlorobenzene, anisole, acetic acid). This rearrangement was used to develop a procedure for the synthesis of 4,5,6,7-tetranitro-1,3-dihydrobenzimidazol-2-one in high yield (90–96%) by nitration of 1,3-dihydrobenzimidazol-2-one, as well as of 5,6-dinitro- and 4,5,6-trinitro-1,3-dihydrobenzimidazol-2-ones, with a small excess of concentrated nitric acid in a mixture with acetic anhydride and acetic acid at 50–60°C. More... »

PAGES

1523

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1070428009100170

DOI

http://dx.doi.org/10.1134/s1070428009100170

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1046868154


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