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Article
Propagation of broadband HF signals in a medium with nonlinear dispersion
Effect of nonlinear dispersion on distortions of broadband signals due to propagation in ionospheric channel is considered with allowance for matched processing in detector. Distortions of the shape of pulse r...
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Article
Modernization of the real sector of the economy: Spatial aspects
The priorities and sources of socioeconomic modernization are discussed with regard to Russia in general and the real sector of the economy in particular. The key areas of modernization are formulated. The mod...
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Article
Instruments of regional policy: Assessment of the efficiency
The methodology for assessing the effectiveness and results of federal programs, projects of investment funds, and creation of special economic zones, used in the regulation of regional development, is analyze...
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Article
Evaluation of investment projects based on a complex of interindustry and interregional models
This paper presents a methodical approach and complex of economic and mathematical models to evaluate the efficiency of large investment projects implemented on the basis of public private partnership mechanis...
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Article
The impact of the global crisis on the strategy of spatial socio-economic development of the Russian federation
Diagnostics of the crisis has been carried out for Russia’s regions; problems of regionalization of the anticrisis program have been surveyed, including the problems of efficiency of regional anticrisis progra...
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Article
The Russian economy resource sector: Its scale and interindustry interactions
Problems and consequences of resource specialization are considered. The size of the resource sector and its contribution to the main indicators of the Russian economy under economic growth are assessed. Inter...
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Article
Control methods in the synthesis of 2,6-dimethoxybenzoic acid
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Article
Mass spectra of functional derivatives of sterically hindered olefins
Study has been made of the mass spectra of certain functionally substituted sterically hindered phenols. It has been found that the presence of functional groups in the aromatic ring p-position generally has n...
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Article
Mass spectra of sterically hindered phenols
The mass spectra of some sterically hindered phenols were studied. The main paths for the fragmentation of the molecular ion were indicated.
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Article
Noncondensed polypiperidine systems
The synthesis of noncondensed dipiperidylbenzene and tripiperidyl systems has been effected. Some derivatives of compounds of this series have been obtained.
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Article
Substituted pyridines
New 4-n-alkyl-1,2,5-trimethylpiperid-4-ols with pentyl, hexyl, heptyl, nonyl, and decyl radicals in the γ-position of the piperidine ring have been obtained. Similarly-substituted piperidines have been synthes...
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Article
Substituted pyridines. Dehydrogenation, desamination, and n-desmethylation of 4-amino-1, 2, 5-trimethylpiperidine and (1, 2, 5-trimethyl-4-piperidyl)benzylideneamine
4-Amino-1, 2, 5-trimethylpiperidine and (1, 2, 5-trimethyl-4-piperidyl)benzylideneamine are partially converted intoα, Β′-lutidine as a result of dehydrogenation, desamination, and N-desalkylation over a type K-1...
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Article
Acyl and aroyl derivatives of 4-amino-1,2,5-trimethylpiperidine
N-Substituted amides of some aliphatic and aromatic acids, respectively, have been obtained by the acylation and aroylation of 4-amino-1,2,5-trimethylpiperidine.
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Article
1,2,5-Trimethyl-4-aminopiperidine and 3, 6-dimethyl-4-phenyl-2-aminopyridine
1,2,5-Trimethylpiperid-4-one is used to prepare 1, 2, 5-trimethyl-4-aminopiperidine, which is then converted to 1, 2, 5-trimethyl-4-(diethylaminoacetylamino)piperidine. Amination of 2, 5-dimethyl-4-phenylpyrid...
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Article
Substituted pyridines
A number of amides and hydrazides of 4-phenyl-2,5-pyridine dicarboxylic acids are synthesized.
