Search Results - "Vchislo, N. V"

α,β‐Unsaturated Aldehydes as C‐Building Blocks in the Synthesis of Pyridines, 1,4‐Dihydropyridines and 1,2‐Dihydropyridines by Vchislo, N. V.

“…N‐heterocycles are ubiquitous structural units in a variety of biologically active compounds, pharmaceutical preparations, and natural complex molecules…”
Get full text

[alpha],[beta]-Unsaturated Aldehydes in the Synthesis of Five-Membered Heterocyclic Compounds with One Heteroatom: Recent Advances from Developments in Metal- and Organocatalysis by Keiko, N A, Vchislo, N V

“…The ever-increasing interest in the chemistry of five-membered heterocyclic compounds is due to their paramount importance in such essential fields as…”
Get full text

Reaction of (Z,E)-2-(Alkylsulfanyl)alk-2-en-4-ynals with N,N- and N,O-Binucleophiles by Fedoseeva, V. G., Verochkina, E. A., Larina, L. I., Vchislo, N. V.

“…The condensation of 2-alkylsulfanyl-substituted 2-en-4-ynals with N , N - and N , O -binucleophiles gives the corresponding 1,3-perhydrodiazines,…”
Get full text

Modification of the Surface of Glass with a Silatranyl–Dihydropyran Hybrid: An Approach to New Complex-Forming and Biofunctional Materials by Oborina, E. N., Vchislo, N. V., Verochkina, E. A., Adamovich, S. N.

“…New silatranyl–dihydropyran compound ( 3 ) is synthetized based on 1-(3-aminopropyl)silatrane ( 1 ) and 2,5-dibutylthio-2,3-dihydro-2-formyl-4 H -pyran,…”
Get full text

Effective Single-Reactor Synthesis of Dithiocarbamates and Investigation of Their Flotation Properties by Burdonov, А. Е., Sakhabutdinova, Т. Kh, Rozentsveig, I. B., Fedoseeva, V. G., Verochkina, Е. А., Larina, L. I., Vchislo, N. V.

“…The reaction of n -butylamine with carbon disulfide in the presence of NaOH followed by the reaction with 2-chloroethanol or benzоyl chloride leads to the…”
Get full text

O- and S-containing 1-azadiene derivatives of 3-aminopropylsilatrane by Adamovich, S. N., Ushakov, I. A., Afonin, A. V., Vchislo, N. V., Oborina, E. N., Pavlov, D. V.

“…Silatranes bearing the aryl(hetaryl)-substituted 1-azadienyl moiety ((Het)ArCH=C(YR) C(H)=N- (Y = O, S)) were synthesized by the reaction of…”
Get full text

Synthesis of Diheteroatomic Five-Membered Heterocyclic Compounds from α,β-Unsaturated Aldehydes by Keiko, N. A., Vchislo, N. V.

“…The recent increase in interest in the chemistry of azoles has been owing to their paramount importance in several essential fields of research, such as…”
Get full text

Condensation of 2-alkoxypropenals with N,N- and N,O-1,2-binucleophiles. A route to 2-(1'-alkoxyvinyl)imidazo-lidines and -oxazolidines by Keiko, N. A, Vchislo, N. V, Stepanova, L. G, Larina, L. I, Chuvashev, Yu. A, Funtikova, E. A

“…Condensation of 2-ethoxypropenal with diaminoethylene in different solvents (CHCl₃, MeCN, H₂O, DMSO) at room temperature gives an equilibrium mixture (1:1-1.5)…”
Get full text

α,β-Unsaturated Aldehydes in the Synthesis of Five-Membered Heterocyclic Compounds with One Heteroatom: Recent Advances from Developments in Metal- and Organocatalysis by Keiko, N. A., Vchislo, N. V.

“…The ever‐increasing interest in the chemistry of five‐membered heterocyclic compounds is due to their paramount importance in such essential fields as…”
Get full text

Synthesis of sodium 1,3-propanebis(dithiocarbamate) and study of its flotation properties by Sakhabutdinova, T. Kh, Vchislo, N. V., Verochkina, E. A., Fedoseeva, V. G., Burdonov, A. E., Rozentsveig, I. B.

“…Development and selection of a suitable reagent for efficient flotation is of great importance for ore beneficiation processes. Dithiocarbamates represent a…”
Get full text

Synthesis of Diheteroatomic Five-Membered Heterocyclic Compounds from [alpha],[beta]-Unsaturated Aldehydes by Keiko, N A, Vchislo, N V

“…The recent increase in interest in the chemistry of azoles has been owing to their paramount importance in several essential fields of research, such as…”
Get full text

Synthesis of new dithiocarbamate and xanthate complexes and their application in enrichment processes by Burdonov, A. E., Vchislo, N. V., Verochkina, E. A., Rozentsveig, I. B.

“…Ore flotation is the main and defining technological process in ore benefication and non-ferrous metals production. The flotation process requires the use of a…”
Get full text

Synthesis and characterization of 2,5-dibutylthio-2,3-dihydro-2-formyl-4H-pyran thiosemicarbazones and their copper complexes by Verochkina, E. A., Vchislo, N. V., Larina, L. I., Titov, E. A.

“…Previously unknown derivatives of thiosemicarbazide were obtained in high yields by the condensation reaction of 2,5-dibutylthio-2,3-dihydro-2-formyl-4H-pyran…”
Get full text

SYNTHESIS OF 2-METHOXY-3-ARYL(HETARYL)PROPENALS BY ALDOL CONDENSATION UNDER MICROWAVE IRRADIATION by Vchislo, N.V., Verochkina, E.A., Elshina, V.G.

Get full text

2-alkoxypropenals as synthetic equivalents of methylglyoxal in the synthesis of heterocycles by Keiko, N. A., Vchislo, N. V., Larina, L. I.

“…One-pot synthesis of 2-methylquinoxaline, 3-hydroxy-2-methylimidazo[1,2- a ]pyridine, and 2-methyl-3,7-dihydroimidazo[1,2- a ]pyrazin-3-one via cycloaddition…”
Get full text

Methylglyoxal bis-(N,N-dimethylhydrazone): Synthesis and some reactions by Keiko, N. A., Vchislo, N. V., Larina, L. I., Chernyshev, K. A.

“…Methods were proposed for the synthesis of the methylglyoxal 1,2-bis-( N,N -dimethylhydrazone). A possibility was shown for the first time of its participation…”
Get full text

Regioselectivity of the hydrolysis of 2-(1-alkoxyvinyl)-substituted imidazolidines, 1,3-thiazolidines, and 1,3-oxazolidines by Keiko, N. A., Funtikova, E. A., Vchislo, N. V., Larina, L. I., Frolov, Yu. L.

“…2-(1-Alkoxyvinyl)-1,3-thiazolidines reacted with H 2 O or D 2 O in the presence of 105 mol % of p -toluenesulfonic acid or trifluoroacetic acid (20°C, 1 h) to…”
Get full text

Synthesis of new 5-substituted hydantoins from 2-alkoxy-1-cyano-1-trimethylsiloxypropenes by Keiko, N. A., Kuznetsova, T. A., Vchislo, N. V., Chuvashev, Yu. A., Larina, L. I., Voronkov, M. G.

Get full text