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1

Voltamperometry of 1,4-dihydropyridine derivatives

Ya. P. Stradyn', G. Ya. Dubur, Yu. I. Beilis, Ya. R. Uldrikis, A. É. Sausin', B. S. Chekavichus

Journal:

Chemistry of Heterocyclic Compounds

Year:

1975

Language:

english

File:

PDF, 361 KB

english, 1975

2

ChemInform Abstract: Formation of a 3,3,5-Tricarbonyl-1,2,3,4-tetrahydropyridine Derivative under the Hantzsch Synthesis Conditions.

CHEKAVICHUS, B. S., SAUSIN', A. E., ZOLOTOYABKO, R. M., LIEPIN'SH, E. E., MAZHEIKA, I. B., DUBUR, G. YA.

Journal:

Chemischer Informationsdienst

Year:

1986

File:

PDF, 168 KB

1986

3

Free radicals in electrochemical reduction of 3,5-dicarbethoxy-1,4-dihydropyridines with nitrophenyl groups in positions 2, 4, and 6

L. Kh. Baumane, Ya. P. Stradyn', R. A. Gavar, B. S. Chekavichus, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1991

Language:

english

File:

PDF, 602 KB

english, 1991

4

Synthesis and electrochemical oxidation of 1-aryl-3,5-diethoxycarbonyl-2,6-unsubstituted 1,4-dihydropyridines

B. S. Chekavichus, A. é Sausin'sh, V. P. Kadysh, G. Ya. Dubur, Ya. P. Stradyn'

Journal:

Chemistry of Heterocyclic Compounds

Year:

1991

Language:

english

File:

PDF, 359 KB

english, 1991

5

Novel cationic amphiphilic 1,4-dihydropyridine derivatives for DNA delivery

Zanna Hyvönen, Aiva Plotniece, Inese Reine, Brigita Chekavichus, Gunars Duburs, Arto Urtti

Journal:

Biochimica et Biophysica Acta (BBA) - Biomembranes

Year:

2000

Language:

english

File:

PDF, 589 KB

english, 2000

6

Bromination of 1-substituted-3,5-dicarbalkoxy-2,6-dimethyl-1,4-dihydropyridines

B. S. Chekavichus, A. é. Sausin'sh, I. P. Skrastin'sh, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1989

Language:

english

File:

PDF, 126 KB

english, 1989

7

13C-NMR spectra of substituted 1,4-dihydropyridines

é. é. Liepin'sh, R. M. Zolotoyabko, B. S. Chekavichus, A. é. Sausin', V. K. Lusis, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1989

Language:

english

File:

PDF, 431 KB

english, 1989

8

Candida rugosa Lipase-Catalyzed Kinetic Resolution of 3-(Isobutyryloxy)methyl 4-[2-(Difluoromethoxy)phenyl] -2-methyl-5,5-dioxo-1,4-dihydrobenzothieno [3,2-b]pyridine-3-carboxylate.

A. Sobolev, R. Zhalubovskis, M. C. R. Franssen, B. Vigante, B. Chekavichus, G. Duburs, Ae. de Groot

Journal:

Year:

2005

File:

PDF, 25 KB

2005

9

Synthesis and oxidation of 2,6-dimethyl-1,4-dihydropyridine-3, 5-dicarboxylic acid esters

Ya. R. Uldrikis, G. Ya. Dubur, I. V. Dipan, B. S. Chekavichus

Journal:

Chemistry of Heterocyclic Compounds

Year:

1975

Language:

english

File:

PDF, 549 KB

english, 1975

10

Synthesis and oxidation of 2,6-dimethyl-3, 5-di(phenoxycarbonyl)-1,4-dihydropyridines

B. S. Chekavichus, A. É. Sausin'sh, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1975

Language:

english

File:

PDF, 409 KB

english, 1975

11

ESR spectra of free radicals of 3,3-disubstituted 1,2,3,4-tetrahydropyridines produced during electrochemical reduction

R. Gavars, L. Baumane, Ya. Stradyn, B. Chekavichus, G. Duburs

Journal:

Chemistry of Heterocyclic Compounds

Year:

1998

Language:

english

File:

PDF, 437 KB

english, 1998

12

ChemInform Abstract: Synthesis and Hepatoprotective Properties of 4-Pyrazolyl-1,4-dihydropyridines.

CHEKAVICHUS, B. S., ODYNETS, A. G., SAUSIN', A. E., BERZINYA, D. A., ZOLOTOYABKO, R. M., LIEPIN'SH, E. E., DUBUR, G. YA.

Journal:

Year:

1988

File:

PDF, 103 KB

1988

13

Bromination of 4-aryl-3,5-dialkoxycarbonyl-2,6-dimethyl-1,4-dihydropyridines

I. P. Skrastin'sh, V. V. Kastron, B. S. Chekavichus, A. é. Sausin'sh, R. M. Zolotoyabko, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1991

Language:

english

File:

PDF, 404 KB

english, 1991

14

Hydrolysis of 1,4-dihydropyridine-3,5-dicarboxylic acid esters

A. É. Sausin, V. K. Lusis, B. S. Chekavichus, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1978

Language:

english

File:

PDF, 70 KB

english, 1978

15

ChemInform Abstract: Influence of Substituents in Dihydropyridine Ring on the Reactivity of Ester Group of 3,5-Dialkoxycarbonyl-1,A-dihydropyridines.

CHEKAVICHUS, B. S., SAUSIN', A. E., DUBUR, G. YA.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 129 KB

1983

16

Formation of derivatives of 5,6-dihydro-1,3-thiazines in the reaction of acetothioacetic acid ethyl ester under the conditions of the Hantzsch synthesis

B. Vigante, J. Ozols, A. Mishnev, G. Duburs, B. Chekavichus

Journal:

Chemistry of Heterocyclic Compounds

Year:

2000

Language:

english

File:

PDF, 386 KB

english, 2000

17

ChemInform Abstract: 1-ARYL- AND 1-BENZYL-3,5-DIETHOXYCARBONYL-1,4-DIHYDROPYRIDINES

SAUSIN', A. E., CHEKAVICHUS, B. S., LUSIS, V. K., DUBUR, G. YA.

Journal:

Chemischer Informationsdienst

Year:

1980

File:

PDF, 116 KB

1980

18

Formation of 1-aryl-2-chloromethylene-1,2,3,4-tetrahydropyridines and isomerization to 1,4-dihydropyridines

B. S. Chekavichus, I. S. Birgele, A. É. Sausin'sh, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1992

Language:

english

File:

PDF, 104 KB

english, 1992

19

Effect of substituents in the dihydropyridine ring on the reactivity of the ester group of 3,5-dialkoxycarbonyl-1,4-dihydropyridines

B. S. Chekavichus, A. É. Sausin', G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1982

Language:

english

File:

PDF, 503 KB

english, 1982

20

ChemInform Abstract: DIE RK. VON DIBEPIN MIT AMINOSAEUREN AUF CHROMATOGRAPHISCHEM PAPIER

CHEKAVICHUS, B. S., DUBUR, G. YA.

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 174 KB

1972

21

N-aryl-2-hydroxy-1,2,3,4-tetrahydropyridines and N-aryl-2-chloromethylene-1,2,3,4-tetrahydropyridines — successive intermediates in the Hantzsch synthesis of 1,4-dihydropyridines

B. Chekavichus, Yu. Popelis, E. Shebenina, A. Sausin'sh, R. Verkhe, G. Duburs

Journal:

Chemistry of Heterocyclic Compounds

Year:

1997

Language:

english

File:

PDF, 287 KB

english, 1997

22

ChemInform Abstract: SYNTHESIS AND OXIDATION OF ESTERS OF 2,6-DIMETHYL-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLIC ACID

ULDRIKIS, YA. R., DUBUR, G. YA., DIPAN, I. V., CHEKAVICHUS, B. S.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 126 KB

1975

23

Formation of a derivative of 3,3,5-tricarbonyl-1,2,3,4-tetrahydropyridine under the conditions of the hantzsch synthesis

B. S. Chekavichus, A. E. Sausin', R. M. Zolotoyabko, E. E. Liepin'sh, I. B. Mazheika, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1986

Language:

english

File:

PDF, 434 KB

english, 1986

24

Reaction of dibepin with amino acids on chromatographic paper

B. S. Chekavichus, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1972

Language:

english

File:

PDF, 85 KB

english, 1972

25

ChemInform Abstract: SYNTHESIS AND OXIDATION OF 2,6-DIMETHYL-3,5-DI-(PHENOXYCARBONYL)-1,4-DIHYDROPYRIDINES

CHEKAVICHUS, B. S., SAUSIN'SH, A. E., DUBUR, G. YA.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 126 KB

1975

26

ChemInform Abstract: 1,4-Dihydropyridine-3,5-dicarbothioic Acid Bis-O-ethyl Esters (II), (V).

VIGANTE, B. A., OZOLS, YA. YA., CHEKAVICHUS, B. S., DUBUR, G. YA.

Journal:

Year:

1989

File:

PDF, 99 KB

1989

27

ChemInform Abstract: Formation of Derivatives of 5,6-Dihydro-1,3-thiazines in the Reaction of Acetothioacetic Acid Ethyl Ester under the Conditions of the Hantzsch Synthesis.

B. Vigante, J. Ozols, A. Mishnev, G. Duburs, B. Chekavichus

Journal:

Year:

2001

File:

PDF, 28 KB

2001

28

Free radicals in electrochemical reduction of 1-(nitrophenyl)-3,5-dicarbethoxy-4-phenyl-1,4-dihydropyridines

Ya. Stradyn, L. Baumane, R. Gavars, B. Chekavichus, G. Duburs

Journal:

Chemistry of Heterocyclic Compounds

Year:

1992

Language:

english

File:

PDF, 514 KB

english, 1992

29

Synthesis and hepatoprotectant properties of 4-pyrazolyl-1,4-dihydropyridines

B. S. Chekavichus, A. G. Odynets, A. é. Sausin', D. A. Berzinya, R. M. Zolotoyabko, é. é. Liepin'sh, G. Ya. Dubur

Journal:

Pharmaceutical Chemistry Journal

Year:

1987

Language:

english

File:

PDF, 612 KB

english, 1987

30

1-aryl- and 1-benzyl-3,5-diethoxycarbonyl-1,4-dihydropyridines

A. É. Sausin', B. S. Chekavichus, V. K. Lusis, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1980

Language:

english

File:

PDF, 674 KB

english, 1980

31

4-(10-Methyl-10H-phenothiazin-3-yl)-1,4-dihydropyridines, 4,5-dihydroindeno[1,2-b]-and 5,5-dioxo-4,5-dihydrobenzo-thieno[3,2-b]pyridines

B. Vigante, G. Tirzitis, D. Tirzite, B. Chekavichus, J. Uldrikis, A. Sobolev, G. Duburs

Journal:

Chemistry of Heterocyclic Compounds

Year:

2007

Language:

english

File:

PDF, 216 KB

english, 2007

32

ChemInform Abstract: Methods of Synthesis of 4-Pyrazolyl- and 4-Pyridyl-5-oxo-1,4,5,7- tetrahydrofuro(3,4-b)pyridines.

A. SAUSIN'SH, B. CHEKAVICHUS, G. DUBURS

Journal:

Year:

1996

File:

PDF, 30 KB

1996

33

Ethyl esters of 1,4-dihydropyridine-3,5-dicarbothionic acids

B. A. Vigante, Ya. Ya. Ozols, B. S. Chekavichus, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Year:

1988

Language:

english

File:

PDF, 548 KB

english, 1988

34

ChemInform Abstract: N-Aryl-2-hydroxy-1,2,3,4-tetrahydropyridines and N-Aryl-2-chloromethylene-1,2,3,4-tetrahydropyridines — Consecutive Intermediates in the Hantzsch Synthesis of 1,4-Dihydropyridines.

B. CHEKAVICHUS, YU. POPELIS, E. SHEBENINA, A. SAUSIN'SH, R. VERHE, G. DUBURS

Journal:

Year:

1998

File:

PDF, 36 KB

1998

35

Voltamperometry of 1,4-dihydropyridine derivatives

Ya. P. Stradyn', Yu. I. Beilis, Ya. R. Uldrikis, G. Ya. Dubur, A. É. Sausin', B. S. Chekavichus

Journal:

Chemistry of Heterocyclic Compounds

Year:

1975

Language:

english

File:

PDF, 417 KB

english, 1975

36

ChemInform Abstract: 13C NMR Spectra of Substituted 1,4-Dihydropyridines.

LIEPIN'SH, E. E., ZOLOTOYABKO, R. M., CHEKAVICHUS, B. S., SAUSIN', A. E., LUSIS, V. K., DUBUR, G. YA.

Journal:

Year:

1990

File:

PDF, 83 KB

1990

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