Synthesis and Some Properties of 1,2-Dinitroguanidine View Full Text


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Article Info

DATE

2003-04

AUTHORS

A. A. Astrat'yev, D. V. Dashko, L. L. Kuznetsov

ABSTRACT

1,2-Dinitroguanidine is a product of nitroguanidine nitration with nitric acid and its mixtures with sulfuric acid and oleum. It is a diacid (pKa 1.11, ∼11.5) and at the same time a weak base undergoing protonation at the nitrogen of the amino group (pKBH+ -5.81). The decomposition kinetics of 1,2-dinitroguanidine was studied by spectrophotometric method both in acid and alkaline media, and the mechanism of the process was assumed. In the media of high acidity (Ho > -8) the 1,2-dinitroguanidine suffers reversible denitration into nitroguanidine. At lower acidity its conjugate acid or molecular form undergoes hydrolysis yielding nitrourea. Monoanion of 1,2-dinitroguanidine in a weak acid or in an alkali is hydrolyzed into N,N'-dinitrourea. The reaction of 1,2-dinitroguanidine with alkali in alcohol provides its salts, with nitrogen-containing bases form both salts and derivatives of 2-nitroguanidine. The treatment of 1,2-dinitroguanidine with haloalkanes results in its N-alkylated products. More... »

PAGES

501-512

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/a:1026003700547

DOI

http://dx.doi.org/10.1023/a:1026003700547

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1027544152


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