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Article
Reactions of aminoguanidine and guanidine with 3- and 5-formyl-4-arylaminopyridones
Amidinohydrazones were prepared by the condensation of 4-arylamino-2-oxo-5-formyl-1,2-dihydropyridine-3-carbonitriles and 4-arylamino-2-oxo-1,2-dihydropyridine-3-carbaldehydes with aminoguanidinium carbonate w...
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Article
1,3,5-Triazinenitrolic acids. Synthesis and NO-releasing properties
Reactions of salts of 1,3,5-triazine dinitromethyl derivatives with nitrogen dioxide that result mainly in 1,3,5-triazinenitrolic acids are investigated. The behavior of nitrolic acid in electroreduction at a ...
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Article
Kinetics of hydrolysis of five-membered C-nitroheterocycles: pyrazole, imidazole, 1,2,4-triazole, and isoxazole derivatives
Alkaline hydrolysis of mono-and dinitro derivatives of five-membered heterocycles, viz., pyrazole, imidazole, 1,2,4-triazole, and isoxazole, is accompanied by the elimination of the nitro group in the form of a n...
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Article
4-(N,N-Dialkylthiocarbamoylthio)-5-nitropyrimidines as new potential nitric oxide donors
On heating at pH 6.86, 4-(N,N-dialkylthiocarbamoylthio)-5-nitropyrimidines are transformed into dithiolopyrimidines, which are either oxidized to bis(4-dialkylthiocarbamoylpyrimidin-5-yl) disulfides or converted ...
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Article
Comparison of reactivities of 1- and 4-oxotetrahydrocarbazoles in reactions with nucleophilic and electrophilic reagents
The half-wave potentials of polarographic reduction of the carbonyl group in unsubstituted and N-methyl- and N-phenylsulfonyl-substituted 1- and 4-oxotetrahydrocarbazoles and their reactivities in reactions with ...
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Article
On the reduction of 1-aryl-2-oxo-1,2,3,6-tetra-hydro[1,4]diazepino[6,5-b]indole 4-oxides
Electrochemical reduction of 1-aryl-2-oxo-1,2,3,6-tetrahydro[1,4]diazepino[6,5-b]indole 4-oxides, 2-oxo-1-phenyl-1,2,3,6-tetrahydro[1,4]diazepino[6,5-b]indole, and 2-oxo-1-phenyl-1,2,3,4,5,6-hexahydro[1,4]diazepi...
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Article
Electrochemical behavior of benzo[b][1,6]naphthyridine derivatives
The electroreduction of benzo[b][1,6]naphthyridine derivatives in anhydrous media by the polarographic method was studied. It is found that the first step of the process is the transfer of an electron to position...
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Article
Nitric oxide synthase inhibitors: biology and chemistry
The review is devoted to the problems related to inhibition of the generation of nitric oxide, a versatile regulator of cell metabolism, whose excessive production is responsible for various pathologies. The a...
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Article
Exogenous donors of nitric oxide (a chemical aspect)
The review considers problems related to the formation, in the living organism, of nitric oxide, a versatile and vitally important regulator of cell metabolism. The pathways of formation of endogenous nitric o...
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Article
On the pseudocapacitance of the reduction of oxygen on mercury in acidic methanol solutions