N-(2-Fluoro-2,2-dinitroethyl)azoles: a novel assembly of diverse explosophoric building blocks for energetic compound design
Literature Information
Publication Date
2018-12-05
DOI
10.1039/C8QO01173G
Impact Factor
5.281
Authors
Nadezhda V. Palysaeva, Irina A. Vatsadze, Kyrill Yu. Suponitsky, Dmitry E. Dmitriev, Aleksei B. Sheremetev
View Original
Abstract
Although desirable from an energetic materials chemistry perspective, nitroazoles bearing oxygen-rich explosophoric units at a nitrogen atom of the ring are a highly challenging target using current literature approaches. In this paper, we report the first simple two-step protocol to efficiently prepare unprecedented N-(2-fluoro-2,2,-dinitroethyl) derivatives of imidazoles, pyrazoles, triazoles, and tetrazoles. Michael addition of NH-azoles to 1,1-dinitroethene, generated from 1,1,1-trinitroethane, followed by fluorination provides the N-dinitrofluoroethylated nitrogen heterocycles in moderate to good overall yields. The syntheses employ azoles with electron-withdrawing groups, predominantly, the nitro group, and can be extended to other structurally attractive electron-deficient NH-heterocycles.
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Source Journal
Organic Chemistry Frontiers
CiteScore:
7.8
Self-citation Rate:
8.7%
Articles per Year:
724
Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry
Recommended Compounds
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![{3-[Bis(4-hydroxyphenyl)methyl]-1-[2-(dimethylamino)ethyl]-1H-indol-2-yl}[4-(2-chlorophenyl)-1-piperazinyl]methanone structure](https://static.chemtradehub.com/structs/170/170365-25-0-e4d7.webp "{3-[Bis(4-hydroxyphenyl)methyl]-1-[2-(dimethylamino)ethyl]-1H-indol-2-yl}[4-(2-chlorophenyl)-1-piperazinyl]methanone structure")
{3-[Bis(4-hydroxyphenyl)methyl]-1-[2-(dimethylamino)ethyl]-1H-indol-2-yl}[4-(2-chlorophenyl)-1-piperazinyl]methanone
CAS Number:
170365-25-0
Molecular Formula:
C36H37ClN4O3
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