Works matching IS 00093122 AND DT 2013 AND VI 49 AND IP 4

Results: 19

Synthesis of 3-alkoxycarbonyl-6-alkylsulfanyl-4-[2-(difluoromethoxy)phenyl]-1,4-dihydropyridines and related derivatives as analogs of cognition enhancer cerebrocrast.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 566, doi. 10.1007/s10593-013-1283-4

By:

Krauze, A.;
Andzans, Z.;
Krasnova, L.;
Germane*, S.;
Domracheva, I.;
Adlere, I.;
Grinberga, S.;
Duburs, G.

Publication type:

Article

Synthesis of new 2-alkyl-5-arylimino-2,5-dihydroisothiazole derivatives.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 624, doi. 10.1007/s10593-013-1290-5

By:

Skrastiņa, I.;
Baran, A.;
Muceniece, D.

Publication type:

Article

Synthesis and transformations of cyanomethyl-1,2,4,5-tetrazines.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 604, doi. 10.1007/s10593-013-1288-z

By:

Tolshchina, S.;
Ishmetova, R.;
Ignatenko, N.;
Korotina, A.;
Slepukhin, P.;
Rusinov, G.;
Charushin, V.

Publication type:

Article

Novel method for the synthesis of isatins using ethyl nitroacetate in polyphosphoric acid.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 645, doi. 10.1007/s10593-013-1292-3

By:

Aksenov, N.;
Aksenov, A.;
Aksenova, I.;
Smushkevich, Yu.

Publication type:

Article

1-(Cyanoacetyl)-3,5-dimethylpyrazole as an effective alternative to cyanoacetic ester in the synthesis of 2,6-dioxopiperidine-3,5-dicarbonitrile derivatives.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 574, doi. 10.1007/s10593-013-1284-3

By:

Chigorina, E.

Publication type:

Article

A novel method for the synthesis of 2-aryl-3,4-dihydroimidazo[4,5- b]indoles.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 651, doi. 10.1007/s10593-013-1294-1

By:

Red'ko, T.;
Lyakhovnenko, A.;
Aksenov, N.;
Aksenov, A.

Publication type:

Article

Study of plant coumarins. 12*. Synthesis of 2-(1,2,3-triazolyl)-modified furocoumarins.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 551, doi. 10.1007/s10593-013-1281-6

By:

Lipeeva, A.;
Shults, E.;
Makhneva, E.;
Shakirov, M.;
Tolstikov, G.

Publication type:

Article

Ring-chain tautomerism of 2-aryl-6-oxohexahydropyrimidine-4-carboxylic acid sodium salts.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 598, doi. 10.1007/s10593-013-1287-0

By:

Ershov, A.;
Nasledov, D.;
Nasonova, K.;
Sezyavina, K.;
Susarova, T.;
Lagoda, I.;
Shamanin, V.

Publication type:

Article

Oxidation of thioamides with the DMSO-HCl system: a convenient and efficient method for the synthesis of 1,2,4-thiadiazoles, isothiazolo-[5,4- b]pyridines, and heterocyclic disulfides.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 636, doi. 10.1007/s10593-013-1291-4

By:

Dotsenko, V.;
Krivokolysko, S.

Publication type:

Article

One-pot synthesis of aryl(hetaryl)-thiazolylphthalazine-1,4-diones via a multicomponent approach.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 586, doi. 10.1007/s10593-013-1285-2

By:

Chunduru, V.;
Vedula, R.

Publication type:

Article

One-pot assembly of 3,5-bis(1 H-pyrrol-2-yl)-4 H-1,2,4-triazol-4-amines from pyrrolecarbo-nitriles and hydrazine.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 561, doi. 10.1007/s10593-013-1282-5

By:

Glotova, T.;
Shabalin, D.;
Dvorko, M.;
Ushakov, I.;
Schmidt, E.;
Ivanov, A.;
Mikhaleva, A.;
Trofimov, B.

Publication type:

Article

Reaction of 1,2-dihaloarenes with ethyl 2-(imidazolidin-2-ylidene)acetate. A novel method for the synthesis of 2,3-dihydro-1 H-imidazo[1,2- a]indoles and their aza analogs.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 648, doi. 10.1007/s10593-013-1293-2

By:

Mishina, M.;
Ivanov, A.;
Dar'in, D.;
Lobanov, P.

Publication type:

Article

Synthesis, thermal transformations, and mass spectrometric fragmentation of 4,4'-[1,2-bis(5-hydroxy-3-methyl-1-phenyl-1 H-pyrazol-4-yl)ethane-1,2-diyl]-bis(5-methyl-2-phenyl-1,2-dihydro-3 H-pyrazol-3-one).

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 545, doi. 10.1007/s10593-013-1280-7

By:

Azev, Yu.;
Kovalev, I.;
Mekhaev, A.;
Gibor, A.;
Baranov, V.;
Bakulev, V.;
Ermakova, O.

Publication type:

Article

SH Arylation of 1,3,7-triazapyrenes in acidic aqueous solution.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 618, doi. 10.1007/s10593-013-1289-y

By:

Borovlev, I.;
Demidov, O.;
Saigakova, N.

Publication type:

Article

Investigation of the Chlorination of 4-(Perfluoroalkyl)-5-( p-toluenesulfonyl)uracils. Synthesis of 5-Chloro-6-(perfluoroalkyl)-5-( p-toluenesulfonyl)pyrimidine-2,4(3 H,5 H)-diones.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 591, doi. 10.1007/s10593-013-1286-1

By:

Gudz, A.;
Kanishchev, A.;
Vlasenko, Yu.;
Chernega, A.;
Shermolovich, Yu.

Publication type:

Article

Novel synthesis of aceperimidines.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 653, doi. 10.1007/s10593-013-1295-0

By:

Lyakhovnenko, A.;
Red'ko, T.;
Aksenova, I.;
Aksenov, A.

Publication type:

Article

Synthesis of N-methylcarbazoles from N-(2-iodoaryl)- N-methylanilines in the presence of potassium tert-butoxide and iron(II) bromide.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 529, doi. 10.1007/s10593-013-1278-1

By:

Melnika, I.;
Bringis, K.;
Katkevics, M.

Publication type:

Article

Acetamidines and acetamidoximes containing an electron-withdrawing group at the α-carbon atom: their use in the synthesis of nitrogen heterocycles (review)*.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 507, doi. 10.1007/s10593-013-1277-2

By:

Lobanov, P.;
Dar'in, D.

Publication type:

Article

Bisindoles. 43. Dipyrroloquinoxalines. 2. Synthesis of the bis-analogs of the fischer aldehyde under vilsmeier conditions.

Published in:

Chemistry of Heterocyclic Compounds, 2013, v. 49, n. 4, p. 540, doi. 10.1007/s10593-013-1279-0

By:

Samsoniya, Sh.;
Trapaidze, M.;
Nikoleishvili, N.

Publication type:

Article