Investigation of the alkylation of nitroazoles with ?-haloketones by13C,15N, and14N NMR
摘要:
General methods have been worked out for the alkylation of nitroazoles with bromoacetone, bromoacetophenone, and diazoacetone in homogeneous media and by phase-transfer catalysis. The structures of the N-acetonylazoles were established by C-13, N-15, and N-14 high-resolution NMR spectroscopy.
Mechanism of nitration of nitrogen-containing heterocyclic N-acetonyl derivatives. General approach to the synthesis of N-dinitromethylazoles
作者:V. V. Semenov、S. A. Shevelev、A. B. Bruskin、M. I. Kanishchev、A. T. Baryshnikov
DOI:10.1007/s11172-009-0285-y
日期:2009.10
bicyclic analogs, as well as imides of carboxylic and sulfonic acids and substituted hydrazines with mixtures of sulfuric and nitric acids. The kinetic study of the reaction mechanism was performed using UV and NMR spectroscopy. It was found that the NO2 groups were sequentially introduced into the methylene fragment by the addition of the nitronium ion to multiple bonds of intermediate enols followed
作者:Khoranyan、Gushchina、Suponitsky, K. Yu.、Dalinger
DOI:10.1007/s11172-024-4254-2
日期:——
Alkylation of isomeric methyl nitropyrazolecarboxylates with bromoacetone followed by acid hydrolysis gave new N-acetonylnitropyrazolecarboxylic acids. A selectivesynthesis of 3-R-5-(N-acetonylnitropyrazolyl)-1,2,4-oxadiazoles based on the reaction of nitropyrazolecarboxylic acid chlorides with isomeric amidoximes of nitropyrazoles and aminofurazan was developed. The possibility to introduce the second
CEMEHOB, V. V.;UGRAK, B. I.;SHEVELEV, S. A.;KANISHCHEV, M. I.;BARYSHNIKOV+, IZV. AN CCCP. CEP. XIM.,(1990) N, S. 1827-1836
作者:CEMEHOB, V. V.、UGRAK, B. I.、SHEVELEV, S. A.、KANISHCHEV, M. I.、BARYSHNIKOV+
DOI:——
日期:——
3D honeycomb construction of N-fluorodinitromethyl substituted polynitroazoles based on hydrogen-bonded staggered conformation: Toward high-density melt-cast explosive instead of TNT
作者:Jianfu Ma、Chengming Bian、Ximei Yang、Xiang Guo、Bindong Li、Long Lu
DOI:10.1016/j.molstruc.2022.133337
日期:2022.9
Investigation of the alkylation of nitroazoles with ?-haloketones by13C,15N, and14N NMR
作者:V. V. Semenov、B. I. Ugrak、S. A. Shevelev、M. I. Kanishchev、A. T. Baryshnikov、A. A. Fainzil'berg
DOI:10.1007/bf00961497
日期:1990.8
General methods have been worked out for the alkylation of nitroazoles with bromoacetone, bromoacetophenone, and diazoacetone in homogeneous media and by phase-transfer catalysis. The structures of the N-acetonylazoles were established by C-13, N-15, and N-14 high-resolution NMR spectroscopy.