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New synthetic route to diaminonitropyrazoles as precursors of energetic materials

✍ Scribed by Jérôme Guillard; Fanny Goujon; Perrine Badol; Didier Poullain

Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
122 KB
Volume
44
Category
Article
ISSN
0040-4039

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✦ Synopsis

Treatment of nitropyrimidine derivatives with (N-substituted) hydrazines (2 equiv.) gave 1-(substituted)-3,5-diamino-4nitropyrazole, providing a very mild conversion of pyrimidines into pyrazoles. This reaction provided a convenient route to precursors for new efficient and insensitive explosives.

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