70 Result(s)

Article

The Features of Ring-Shaped Deposit Formation upon Evaporation of Magnetic Colloid Droplets in a Magnetic Field

The structure of deposits resulting from the evaporation of magnetic colloid droplets has been experimentally studied. It has been shown that the deposit has the largest thickness in the center and at the boun...

Yu. I. Dikanskii, A. R. Zakinyan, L. I. Khalupovskaya, V. I. Goncharov… in Colloid Journal (2019)

Article

Electrophilically activated nitroalkanes in the synthesis of 6,7-dihydro-1H-cyclopenta[g]perimidines

A highly efficient synthetic route to 6,7-dihydro-1H-cyclopenta[gh]perimidines has been proposed on the basis of a novel reaction of nitroalkanes with 4,5-diaminoacenaphthene in the presence of polyphosphoric aci...

A. V. Aksenov, N. A. Aksenov, D. S. Ovcharov… in Russian Journal of Organic Chemistry (2017)

Article

New one-pot reaction of perimidines with nitroethane and acylating agents in polyphosphoric acid

A. V. Aksenov, N. A. Aksenov, A. N. Smirnov, V. I. Goncharov… in Russian Chemical Bulletin (2014)

Article

A new one pot reaction of perimidines with nitroethane and sodium nitrite in polyphosphoric acid

A. V. Aksenov, N. A. Aksenov, A. E. Tsys’, V. I. Goncharov… in Russian Chemical Bulletin (2013)

Article

Unusual dimerization reaction of 1H-perimidines in the presence of aluminum chloride in nitromethane

N. A. Aksenov, M. Kh. Magamadova, D. A. Lobach… in Chemistry of Heterocyclic Compounds (2012)

Article

New three-component reaction of perimidines with sodium azide and sodium nitrite in polyphosphoric acid

A. S. Lyakhovnenko, A. V. Aksenov, N. A. Aksenov… in Chemistry of Heterocyclic Compounds (2012)

Article

The investigation in 2,3'-biquinoline series 26.* Regioselective nitration of 1'-alkyl-1',4'-dihydro-2,3'-biquinolin-4'-ones and 1'-alkyl-1',2'-dihydro-2,3'-biquinolin-2'-ones

The nitration of 1'-alkyl-1',4'-dihydro-2,3'-biquinolin-4'-ones and 1'-alkyl-1',2'-dihydro-2,3'-biquinolin-2'-ones has been investigated. It was shown that the regioselectivity of nitration of the first depend...

A. V. Aksenov, N. V. Demidova, O. P. Demidov… in Chemistry of Heterocyclic Compounds (2009)

Article

The investigations in 2,3′-biquinoline series. 25*. Synthesis of 4-(2-quinolinyl)-pyrrolo[1,2-a]quinolines and 4-(2-quinolyl)-imidazo[1,2-a]quinolines

A method has been developed for the synthesis of 4-(2-quinolinyl)-1,2,3,3a-tetrahydropyrrolo-[1,2-a]quinolines based on the 1,3-dipolar cycloaddition reaction of α,β-unsaturated carbonyl compounds to 2,3′-biquino...

T. P. Glushchenko, A. V Aksenov, V. I. Goncharov in Chemistry of Heterocyclic Compounds (2009)

Article

Heterogenous catalytic method for the synthesis of biquinolines and bipyridines

A method has been developed for the synthesis of 2,2′- and 3,3′-biquinolines and of 4,4′-bipyridine based on the coupling of 2- and 3-bromoquinoline or 4-bromopyridine using a Pd/C-hydrazine-KOH catalytic system.

A. V. Aksenov, V. I. Goncharov in Chemistry of Heterocyclic Compounds (2008)

Article

1,3,4,6-tetracarbonyl systems. Part 8. Synthesis and antimicrobial activity of 2(5)-halogenated derivatives of 1,3,4,6-tetracarbonyl compounds

A series of 1,6-disubstituted 2,5-dibromohexan-1,3,4,6-tetraones and 2,2,5,5-tetrahalogenohexan-1,3,4,6-tetraones have been obtained by the treatment of 1,6-disubstituted hexane-1,3,4,6-tetraones with bromine ...

E. N. Kozminykh, V. I. Goncharov, V. O. Kozminykh in Pharmaceutical Chemistry Journal (2008)

Article

Investigations in 2,3′-biquinoline series 24. Synthesis of 3-hetarylquinolines and their 1,4-dihydro derivatives under conditions of the Vilsmeier reaction

Methods have been developed for the synthesis of 2,3′-biquinolines, their 1′,4′-dihydro derivatives, 3-pyrid-2-ylquinolines, and 3-pyrazin-2-ylquinoline based on the interaction of hetarylethylenes and vinyl b...

T. P. Glushenko, V. I. Goncharov, A. V. Aksenov in Chemistry of Heterocyclic Compounds (2008)

Article

Investigations of 2,3′-biquinolines 23. Synthesis of 1′-R-1′,4′-dihydro-2,3′-biquinolin-4′-ones by Claisen condensation

A method has been developed for the synthesis of 1′-R-1′,4′-dihydro-2,3′-biquinolin-4′-ones based on the interaction of quinaldine with N-alkyl-N-formylanthranilic acid methyl esters under the conditions of th...

T. P. Glushenko, V. I. Goncharov, A. V. Aksenov in Chemistry of Heterocyclic Compounds (2008)

Article

Synthesis of 1,3-diazapyrenes from benzo[f]quinazolines

Methods have been developed for the synthesis of 1,3-diazapyrenes based on the reactions of 1-methylbenzo[f]quinazolines with DMF dimethyl acetal or with 1,3,5-triazine in PPA.

I. V. Aksenova, A. V. Aksenov, A. A. Zamorkin… in Chemistry of Heterocyclic Compounds (2008)

Article

Reaction of 2-(2-Oxo-1,2-dihydro-3H-indol-3-ylidene)acetic acids esters with phenylhydrazine

2-(2-Oxo-1,2-dihydro-3H-indol-3-ylidene)acetic acids esters reacted with phenylhydrazine yielding products of the regioselective addition of the latter in the α-(C²)-position of the exo ethylene bond, (2-oxo-2,3-...

E. N. Koz’minykh, V. I. Goncharov, V. O. Koz’minykh… in Russian Journal of Organic Chemistry (2007)

Article

Reaction of 2-(2-oxoethylidene)furan-3(2H)-ones with isopropylidenehydrazides of aromatic carboxylic acids: Synthesis of 3-hydroxy-3-(2-oxoethyl)-2,3-dihydropyridazin-4(1H)-ones

3-Hydroxy-3-(2-oxoethyl)-6-phenyl-2,3-dihydropyridazin-4(1H)-ones were obtained by the reaction of methyl 3-oxo-5-phenylfuran-2(3H)-ylideneacetate or 2-[2-(4-chlorophenyl)-2-oxoethylidene]-5-phenylfuran-3(2H)-...

V. O. Kozminykh, D. B. Oborin, V. I. Goncharov… in Chemistry of Heterocyclic Compounds (2007)

Article

Investigations on 2,3′-biquinolines 22. Novel and convenient method for the synthesis of benzo[5,6]indolizino-[2,1-b]quinolinium-13-thiolates and benzo-[5,6]indolizino[1,2-c]quinoline-6(5H)-thiones

We have developed a method of synthesis of benzo[5,6]indolizino[2,1-b]quinolinium-13-thiolates and 5,6-dihydrobenzo[5,6]indolizino[1,2-c]quinoline-6-thiones based on the reaction of the corresponding 1′, 2′-di...

D. V. Moiseev, V. I. Goncharov, A. V. Aksenov in Chemistry of Heterocyclic Compounds (2007)

Article

Chemistry of 2-ylidenefuran-3(2H)-ones: XIX. Reaction of 5-aryl-2(oxoylidene)furan-3(2H)-ones with carboxylic acid hydrazides

2-[2-(4-Chlorophenyl)-2-oxoethylidene]-5-phenylfuran-3(2H)-one and methyl (5-aryl-3-oxo-2,3-dihydrofuran-2-ylidene)acetates react with carboxylic acid hydrazides to give the corresponding 3-substituted 2-acyl-6-a...

E. N. Koz’minykh, V. I. Goncharov, V. O. Koz’minykh in Russian Journal of Organic Chemistry (2007)

Article

A simple method for the synthesis of esters of 2-hydroxy-3-oxo-2,3-dihydrofuran-2-ylacetic acid

E. N. Kozminykh, V. I. Goncharov, D. B. Oborin… in Chemistry of Heterocyclic Compounds (2007)

Article

Biofouling of equipment in wastewater treatment systems. Methods of protection

V. I. Goncharov, V. N. Smolin in Chemistry and Technology of Fuels and Oils (2007)

Article

Reaction of 2-(2-oxo-2,3-dihydro-1H-indol-3-ylidene)acetic acid esters with benzene-1,2-diamine and 2-aminobenzenethiol

2-(2-Oxo-2,3-dihydro-1H-indol-3-ylidene)acetic acid esters reacted with benzene-1,2-diamine or 2-aminobenzenethiol to give (2-oxo-2,3-dihydro-1H-indol-3-yl)-substituted 3,4-dihydroquinoxalin-2(1H)-ones or 2H-1,4-...

V. O. Koz’minykh, V. I. Goncharov, K. Sh. Lomidze… in Russian Journal of Organic Chemistry (2007)