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1

Mildronate: Mechanisms of action and prospects for correction of pathologic states

Zh. V. Shutenko, D. V. Meirena, T. I. Kagan, N. I. S'yakste, I. Ya. Kalvin'sh

Journal:

Pharmaceutical Chemistry Journal

Year:

1995

Language:

english

File:

PDF, 403 KB

english, 1995

2

ChemInform Abstract: Cyclic Hydrazides. Part 2. Synthesis of Substituted 4-Hydroxy-1-oxo-1,2-dihydropyridazino[4,5-b]quinoline 5-Oxides.

E. ROZHKOV, I. PISKUNOVA, M. GOLD, I. KALVIN'SH

Journal:

Year:

1998

File:

PDF, 37 KB

1998

3

15N chemical shifts in aziridines

é. é. Liepin'sh, P. T. Trapentsier, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1988

Language:

english

File:

PDF, 303 KB

english, 1988

4

Electron impact mass spectra of 2-hydrazono-1,3-thiazolidin-4-one derivatives

V. Ya. Kauss, S. Kh. Rozite, I. B. Mazheika, I. Ya. Kalvin'sh, É. Lukevits

Journal:

Chemistry of Heterocyclic Compounds

Year:

1990

Language:

english

File:

PDF, 216 KB

english, 1990

5

Structure of products of addition of thiosemicarbazides and thiosemicarbazones to acetylenedicarboxylic acid and its dimethyl ester

V. Ya. Kauss, É. É. Liepin'sh, I. Ya. Kalvin'sh, É. Lukevits

Journal:

Chemistry of Heterocyclic Compounds

Year:

1990

Language:

english

File:

PDF, 378 KB

english, 1990

6

2-Amino-4,4-disubstituted-5-carboxymethyl-Δ2-1,3,4-oxadiazolin-4-ium chlorides and their recyclization in acetic anhydride

V. Ya. Kauss, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1992

Language:

english

File:

PDF, 299 KB

english, 1992

7

Reactions of 1,1-dialkylthiosemicarbazides with propiolic acid and its esters

V. Ya. Kauss, A. F. Mishnev, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1992

Language:

english

File:

PDF, 423 KB

english, 1992

8

Recyclization of 2-amino-4,4-dimethyl-Δ2-1,3,4-thiadiazolin-4-io-5-acetates into 2-dimethyl-hydrazono-2,3-dihydro-4h-1,3-thiazin-4-ones

V. Ya. Kauss, S. Kh. Grinberga, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1992

Language:

english

File:

PDF, 275 KB

english, 1992

9

Spirocyclic betaines or 2-amino-Δ2-1,3,4-thiadiazoline-5-acetic acid and their rearrangement in acetic anhydride

V. Ya. Kauss, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1993

Language:

english

File:

PDF, 154 KB

english, 1993

10

Derivatives of heterocyclic α-iminocarboxylic acids. 4. Reduction of N-alkoxycarbonyl derivatives of α-iminocarboxylic acids

R. Nurdinov, É. É. Liepin'sh, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1993

Language:

english

File:

PDF, 500 KB

english, 1993

11

Derivatives of heterocyclic α-iminocarboxylic acids 3. Synthesis of N-alkoxycarbonyl and N-alkoxycarbonylalkenyl derivatives of α-iminocarboxylic acids

R. Nurdinov, E. E. Liepin'sh, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1993

Language:

english

File:

PDF, 351 KB

english, 1993

12

Derivatives of heterocyclic α-iminocarboxylic acids. 1. Syntheses of hydrazides of heterocyclic α-iminocarboxylic acids and their hydrazones

R. Nurdinov, É. É. Liepin'sh, I. B. Mazheika, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1993

Language:

english

File:

PDF, 393 KB

english, 1993

13

Derivatives of heterocyclic α-iminocarboxylic acids 2. Conversion of hydrazides of heterocyclicα-iminocarboxylic acids into condensed bicyclic systems

R. Nurdinov, É. É. Liepin'sh, I. B. Mazheika, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1993

Language:

english

File:

PDF, 443 KB

english, 1993

14

Ring-chain tautomerism of thiosemicarbazones of salicylaldehyde and pyridinecarbaldehyde in acidic media

K. N. Zelenin, O. B. Kuznetsova, V. V. Alekseev, I. Ya. Kalvin'sh, L. Ya. Leitis

Journal:

Chemistry of Heterocyclic Compounds

Year:

1994

Language:

english

File:

PDF, 248 KB

english, 1994

15

Cyclic hydrazides

E. Rozhkov, I. Piskunova, M. Gol'd, I. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1998

Language:

english

File:

PDF, 641 KB

english, 1998

16

Cyclic hydrazides. 2. Synthesis of substituted 4-hydroxy-1-oxo-1,2-dihydropyridazone[4,5-b]quinoline 5-oxides

E. Rozhkov, I. Piskunova, M. Gol'd, I. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1998

Language:

english

File:

PDF, 457 KB

english, 1998

17

A new preparative method for the synthesis of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid

V. G. Tribulovich, A. V. Garabadzhiu, I. Kalvin’sh

Journal:

Pharmaceutical Chemistry Journal

Year:

2011

Language:

english

File:

PDF, 80 KB

english, 2011

18

Reaction of α-chloroacrylonitrile with hydrazines

S. A. Giller, A. V. Eremeev, I. Ya. Kalvin'sh, É. É. Liepin'sh, D. A. Tikhomirov

Journal:

Chemistry of Heterocyclic Compounds

Year:

1975

Language:

english

File:

PDF, 339 KB

english, 1975

19

X-ray diffraction study of 1,2-bis(methylidene-2,2-dimethyl-hydrazino)ethylene — product of the oxidation of 1,1,2-trisubstituted hydrazines [1,1-dimethyl-2-(2-cyanoethyl)hydrazine]

Ya. Ya. Bleidelis, A. E. Shvets, I. Ya. Kalvin'sh, A. V. Eremeev

Journal:

Chemistry of Heterocyclic Compounds

Year:

1978

Language:

english

File:

PDF, 220 KB

english, 1978

20

Chemistry of ethyleneimine

S. A. Giller, A. V. Eremeev, I. Ya. Kalvin'sh, É. É. Liepin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1975

Language:

english

File:

PDF, 266 KB

english, 1975

21

Formation of imidazolidine derivatives from dimethyl (2,2-dimethylhydrazino)succinate in reactions with allyl and phenyl isothiocyanates

G. A. Bremanis, A. A. Kemme, I. Ya. Kalvin'sh, é. é. Liepin'sh, é. Lukevits, Ya. Ya. Bleidelis

Journal:

Chemistry of Heterocyclic Compounds

Year:

1987

Language:

english

File:

PDF, 471 KB

english, 1987

22

Ethylenimine chemistry

S. A. Giller, A. V. Eremeev, M. Yu. Lidak, V. A. Pestunovich, é. é. Liepin'sh, I. Ya. Kalvin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1971

Language:

english

File:

PDF, 287 KB

english, 1971

23

Oxidation of 1,1,2-trisubstituted hydrazines and 1,1-dimethylhydrazones stable 1,4-hydropyrazine and 1,2-dihydropyridazine systems

S. A. Giller, A. V. Eremeev, I. Ya. Kalvin'sh, V. G. Semenikhina, é. é. Liepin'sh, T. M. Kupch, I. S. Yankovskaya

Journal:

Chemistry of Heterocyclic Compounds

Year:

1976

Language:

english

File:

PDF, 465 KB

english, 1976

24

15N chemical shifts of 2-substituted aziridines

É. É. Liepin'sh, I. Ya. Kalvin'sh, P. T. Trapentsier

Journal:

Chemistry of Heterocyclic Compounds

Year:

1981

Language:

english

File:

PDF, 123 KB

english, 1981

25

Synthesis and reduction of derivatives of aziridinemono- and-dicarboxylic acids

P. T. Trapentsier, I. Ya. Kalvin'sh, É. É. Liepin'sh, É. Lukevits

Journal:

Chemistry of Heterocyclic Compounds

Year:

1983

Language:

english

File:

PDF, 661 KB

english, 1983

26

Ammonolysis of aziridinecarboxylic acid esters

P. T. Trapentsier, I. Ya. Kalvin'sh, É. É. Liepin'sh, É. Ya. Lukevits

Journal:

Chemistry of Heterocyclic Compounds

Year:

1983

Language:

english

File:

PDF, 235 KB

english, 1983

27

Reactions of aziridine-2-carboxylic acid derivatives with aldehydes and ketones

P. T. Trapentsier, I. Ya Kalvin'sh, É. É. Liepin'sh, É. Ya. Lukevich, G. A. Bremanis, A. V. Eremeev

Journal:

Chemistry of Heterocyclic Compounds

Year:

1985

Language:

english

File:

PDF, 450 KB

english, 1985

28

Reactions of aziridine-2-carboxylic acid derivatives with esters and nitriles of unsaturated acids

P. T. Trapentsier, I. Ya. Kalvin'sh, É. É. Liepin'sh, É. Ya. Lukevits

Journal:

Chemistry of Heterocyclic Compounds

Year:

1983

Language:

english

File:

PDF, 304 KB

english, 1983

29

Derivatives of aziridine-1,2-dicarboxylic acid

P. T. Trapentsier, I. Ya. Kalvin'sh, É. É. Liepin'sh, É. Ya. Lukevits, V. Ya. Kauss

Journal:

Chemistry of Heterocyclic Compounds

Year:

1985

Language:

english

File:

PDF, 391 KB

english, 1985

30

X-ray structural investigation of novel azabicyclic systems containing aziridine rings

A. F. Mishniev, M. F. Bundule, Ya. Ya. Bleidelis, P. T. Trapentsier, I. Ya. Kalvin'sh, E. Ya. Lukevits

Journal:

Chemistry of Heterocyclic Compounds

Year:

1986

Language:

english

File:

PDF, 327 KB

english, 1986

31

Configuration of 2-substituted 1-aminoethyleneimines

S. A. Giller, É. É. Liepin'sh, A. V. Eremeev, I. Ya. Kalvin'sh, V. A. Kholodnikov, V. A. Pestunovich

Journal:

Chemistry of Heterocyclic Compounds

Year:

1975

Language:

english

File:

PDF, 154 KB

english, 1975

32

Thermolysis of trans-2-methy-l-1-aminoazieidine

A. V. Eremeev, I. Ya. Kalvin'sh, É. É. Liepin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1976

Language:

english

File:

PDF, 51 KB

english, 1976

33

Derivatives of l-H-aziridine-2-carboxylic acid

S. A. Giller, A. V. Eremeev, I. Ya. Kalvin'sh, É. É. Liepin'sh, V. G. Semenikhina

Journal:

Chemistry of Heterocyclic Compounds

Year:

1975

Language:

english

File:

PDF, 414 KB

english, 1975

34

ChemInform Abstract: Structure of the Products from the Addition Reaction of Thiosemicarbazides and Thiosemicarbazones with Acetylenedicarboxyclic Acid and Its Dimethyl Ester.

KAUSS, V. YA., LIEPIN'SH, E. E., KALVIN'SH, I. YA., LUKEVITS, E.

Journal:

Year:

1990

File:

PDF, 100 KB

1990

35

ChemInform Abstract: Formation of Imidazoline Derivatives from Dimethyl (2,2-Dimethylhydrazino)succinate and Allyl or Phenyl Isothiocyanate.

BREMANIS, G. A., KEMME, A. A., KALVIN'SH, I. YA., LIEPIN'SH, E. E., LUKEVITS, E., BLEIDELIS, YA. YA.

Journal:

Year:

1988

File:

PDF, 118 KB

1988

36

ChemInform Abstract: Derivatives of Aziridine-1,2-dicarboxylic Acid.

TRAPANTSIER, P. T., KALVIN'SH, I. YA., LIEPIN'SH, E. E., LUKEVITS, E. YA., KAUSS, V. YA.

Journal:

Chemischer Informationsdienst

Year:

1986

File:

PDF, 184 KB

1986

37

ChemInform Abstract: REACTIONS OF AZIRIDINE-2-CARBOXYLIC ACID DERIVATIVES WITH UNSATURATED ACID ESTERS AND NITRILES

TRAPENTSIER, P. T., KALVIN'SH, I. YA., LIEPIN'SH, E. E., LUKEVITS, E. YA.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 203 KB

1983

38

ChemInform Abstract: X-Ray Determination of Molecular Structure of Novel Azabicycles, Containing Aziridine Ring.

MISHNEV, A. F., BUNDULE, M. F., BLEIDELIS, YA. YA., TRAPENTSIER, P. T., KALVIN'SH, I. YA., LUKEVITS, E. YA.

Journal:

Chemischer Informationsdienst

Year:

1986

File:

PDF, 111 KB

1986

39

ChemInform Abstract: CHEMISTRY OF ETHYLENIMINE. XII. TRANSFORMATIONS OF 1-CHLORO-1-CYANO-2-(2,2-DIMETHYLHYDRAZINO)ETHANE IN THE PRESENCE OF SODIUM HYDRIDE

GILLER, S. A., EREMEEV, A. V., KALVIN'SH, I. YA., LIEPIN'SH, E. E.

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 127 KB

1976

40

ChemInform Abstract: X-RAY DIFFRACTION STUDY OF 1,2-BIS(METHYLIDENE-2,2-DIMETHYLHYDRAZINO)ETHYLENE, OXIDATION PRODUCT OF 1,1,2-TRISUBSTITUTED HYDRAZINES OF (1,1-DIMETHYL-2-(2-CYANOETHYL)HYDRAZINE)

BLEIDELIS, YA. YA., SHVETS, A. E., KALVIN'SH, I. YA., EREMEEV, A. V.

Journal:

Chemischer Informationsdienst

Year:

1978

File:

PDF, 99 KB

1978

41

ChemInform Abstract: AMMONOLYSIS OF ESTERS OF AZIRIDINECARBOXYLIC ACIDS

TRAPENTSIER, P. T., KALVIN'SH, I. YA., LIEPIN'SH, E. E., LUKEVITS, E. YA.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 125 KB

1983

42

ChemInform Abstract: OXIDATION OF 1,1,2-TRISUBSTITUTED HYDRAZINES AND 1,1-DIMETHYL HYDRAZONES. STABLE 1,4-DIHYDROPYRAZINE AND 1,2-DIHYDROPYRIDAZINE SYSTEMS

GILLER, S. A., EREMEEV, A. V., KALVIN'SH, I. YA., SEMENIKHINA, V. G., LIEPIN'SH, E. E., KUPCH, T. M., YANKOVSKAYA, I. S.

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 135 KB

1976

43

ChemInform Abstract: DIE CHEMIE DES AETHYLENIMINS 7. MITT. DIE BESTAENDIGKEIT DER PYRAMIDALEN STRUKTUR BEI N-AMINOAETHYLENIMINDERIVATEN

GILLER, S. A., EREMEEV, A. V., LIDAK, M. YU., PESTUNOVICH, V. A., LIEPIN'SH, E. E., KALVIN'SH, I. YA.

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 145 KB

1971

44

ChemInform Abstract: 15N-NMR CHEMICAL SHIFTS OF 2-SUBSTITUTED AZIRIDINES

LIEPIN'SH, E. E., KALVIN'SH, I. YA., TRAPENTSIER, P. T.

Journal:

Chemischer Informationsdienst

Year:

1982

File:

PDF, 89 KB

1982

45

ChemInform Abstract: SYNTHESIS AND REDUCTION OF DERIVATIVES OF AZIRIDINEMONO- AND DICARBOXYLIC ACIDS

TRAPENTSIER, P. T., KALVIN'SH, I. YA., LIEPIN'SH, E. E., LUKEVITS, E.

Journal:

Chemischer Informationsdienst

Year:

1984

File:

PDF, 212 KB

1984

46

ChemInform Abstract: REACTIONS OF AZIRIDINE-2-CARBOXYLIC ACID DERIVATIVES WITH ALDEHYDES AND KETONES

TRAPENTSIER, P. T., KALVIN'SH, I. YA., LIEPIN'SH, E. E., LUKEVITS, E. YA., BREMANIS, G. A., EREMEEV, A. V.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 213 KB

1985

47

ChemInform Abstract: 15N-NMR CHEMICAL SHIFTS OF 2-SUBSTITUTED AZIRIDINES

LIEPIN'SH, E. E., KALVIN'SH, I. YA., TRAPENTSIER, P. T.

Journal:

Chemischer Informationsdienst

Year:

1982

File:

PDF, 89 KB

1982

48

ChemInform Abstract: DIE REAKTION VON ALPHA-CHLORACRYLNITRIL MIT HYDRAZINEN

GILLER, S. A., EREMEEV, A. V., KALVIN'SH, I. YA., LIEPIN'SH, E. E., TIKHOMIROV, D. A.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 114 KB

1975

49

ChemInform Abstract: DERIVATIVES OF 1-H-AZIRIDINE-2-CARBOXYLIC ACID

GILLER, S. A., EREMEEV, A. V., KALVIN'SH, I. YA., LIEPIN'SH, E. E., SEMENIKHINA, V. G.

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 123 KB

1976