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A fully continuous-flow process for the synthesis of 4-nitropyrazole
A fully continuous-flow nitration and post-processing protocol has been introduced into the preparation of 4-nitropyrazole. The process started from...
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Thermal Decomposition of 1-[2,2-bis(Methoxy-NNO-azoxy)ethyl]-3-nitropyrazole
AbstractThe thermal decomposition of 1-[2,2-bis(methoxy-NNO-azoxy)ethyl]-3-nitropyrazole ( I ) in isothermal and nonisothermal conditions is studied...
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Reactions of thiiranes with NH-heterocycles 1. An investigation of the reaction of 2-chloromethylthiirane with 3,5-dibromo-4-nitropyrazole
The reaction of 2-chloromethylthiirane with 3,5-dibromo-4-nitropyrazole in H2O and the aprotic solvent MeCN in the presence of bases was...
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Thermal Decomposition of N-[2,2-Bis(methoxy-NNO-azoxy)ethyl]-4-Nitropyrazole
The thermal decomposition of high-energy N -[2,2-bis(methoxy-NNO-azoxy)ethyl]-4-nitropyrazole is studied and the composition of the products formed is...
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On the question of the molecular mechanism of N-nitropyrazole rearrangement
The molecular mechanism of the rearrangement of 3-substituted 1-nitro-1 H -pyrazoles into the corresponding 5-nitro-1 H -pyrazoles was explored on the...
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N-Acetonylnitropyrazolecarboxylic acids in the selective synthesis of N-acetonyl-3-R-5-nitropyrazolyl-1,2,4-oxadiazoles
Alkylation of isomeric methyl nitropyrazolecarboxylates with bromoacetone followed by acid hydrolysis gave new N -acetonylnitropyrazolecarboxylic...
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Multigram‑scale synthesis of BTK inhibitor BIIB068
This paper describes the development of a relatively feasible, economic, and safe method for the multigram-scale synthesis of BIIB068, an efficient...
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A theoretical investigation on the interaction mechanism between 1-methyl-3,4,5-trinitropyrazole and 1,3,5,7-Tetranitro-1,3,5,7-tetrazocane
The mechanism of intermolecular interactions between 1-methyl-3,4,5-trinitropyrazole (MTNP) and 1,3,5,7-Tetranitro-1,3,5,7-tetrazocane (HMX) was...
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3-(4-R-3-Furazanyl)-5-nitropyrazolyl-1,2,4-oxadiazoles as a new class of energy rich ensembles
A number of new energetic compounds were synthesized based on a combination of pyrazole, furazan, and 1,2,4-oxadiazole. Density, temperature of...
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Thermal Decomposition of 1-[2,2-Bis(Methoxy-NNO-Azoxy)Ethyl]-Pyrazole
Abstract—The kinetics of thermal decomposition of 1-(2,2-bis(methoxy-NNO-azoxy)ethyl)pyrazole ( I ) is studied in the isothermal and nonisothermal...
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Thermal Decomposition of 1-[2,2-Bis(Metoxy-NNO-Azoxy)Ethyl]-3,4-Dinitro-1H-Pyrazole
AbstractThe kinetics of thermal decomposition of 1-[2,2-bis(methoxy-NNO-azoxy)ethyl]-3,4-dinitro-1H-pyrazole is studied using isothermal and...
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O-Dinitropyrazolylmethyl-containing diazenium-1,2-diolates. Synthesis and properties
The reaction of 1-chloromethoxy-3,3-dimethyltriaz-1-ene 2-oxide with dinitropyrazoles produced the corresponding dinitropyrazolylmethyl-containing...
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Synthesis of 2,5-disubstituted pyrazolyl-1,3,4-oxadiazoles by the Huisgen reaction
We developed an approach to the synthesis of 2,5-disubstituted pyrazole-containing 1,3,4-oxadiazoles by acylation of 5-(nitropyrazolyl)tetrazoles...
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In silico investigations of high-energy density properties and effect of ring fusion on dinitropyrazole derivatives
The molecular and high-energy density properties of isolated (3,4-dinitropyrazole, 34DNP) and fused pyrazole ring...
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5(4)-Aminopyrazoles as effective reagents in the synthesis of pyrazolo-annulated pyridines
The review summarizes and systematizes the literature data on the use of 5(4)-aminopyrazoles in the synthesis of pyrazolo[3,4- b ]- and pyrazolo[4,3- b ]p...
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Recent Progress on Nitrogen-Rich Energetic Materials Based on Tetrazole Skeleton
Development of nitrogen-rich energetic materials has gained much attention because of their remarkable properties including large nitrogen content...
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Regioisomeric 3,5-di(nitropyrazolyl)-1,2,4-oxadiazoles and their energetic properties
All possible isomers of N -unsubstituted 3,5-di(nitropyrazolyl)-1,2,4-oxadiazoles were synthesized. The influence of regioisomerism was studied with...
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Addition reaction of various azoles to perfluoromethyl vinyl ether
The addition reaction of perfluoromethyl vinyl ether to various azoles – derivatives of pyrrole, imidazole, pyrazole, indole, benzotriazole,...
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Reactions of Thiiranes with NH Heterocycles: II. C-Bromo/Nitro-1-(thietan-3-yl)pyrazoles as Convenient Synthons for Substituted 1-(Thietan-3-yl)pyrazoles
AbstractReactions of 2-(chloromethyl)thiirane with symmetrically substituted C -bromo/nitropyrazoles in water in the presence of bases were...
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Improved Synthesis and Thermochemical Properties of Amino- and Hydrazino-1,2,4,5-Tetrazines
Improved protocols for the synthesis of 3,6-diamino- and 3,6-dihydrazino-1,2,4,5-tetrazines as well as 6-amino[1,2,4]triazolo[4,3- b ]-[1,2,4,5]tetrazin...
