E. E. Liepin'sh : rechercher sur Z-Library

Le plus grand référentiel d'articles scientifiques au monde. 70,000,000+ d'articles gratuitement.

Don't use scam websites

Livres
Articles (259)
Les plus populaires
Liste
- Liste
- Tableau

1

Chlorination of 2,6-dimethyl-3,5-dicarbomethoxy-4-(2′-difluoromethoxyphenyl)-1,4-dihydropyridine (phoridone)

I. P. Skrastin'sh, V. V. Kastron, É. É. Liepin'sh, I. B. Mazheika, R. O. Vitolinya, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1990

Langue:

english

Fichier:

PDF, 251 KB

english, 1990

2

Bromination of 2,6-dimethyl-3,5-dimethoxycarbonyl-4-(2′-difluoromethoxyphenyl)-1,4-dihydropyridine (foridone)

I. P. Skarstin'sh, V. V. Kastron, G. Ya. Dubur, I. B. Mazheika, É. É. Liepin'sh

Journal:

Chemistry of Heterocyclic Compounds

Année:

1989

Langue:

english

Fichier:

PDF, 410 KB

english, 1989

3

Sulfonation of 2,6-dimethyl-3,5-dimethoxycarbonyl-4-2-difluoromethoxyphenyl)-1,4-dihydropyridine (phoridone)

É. É. Liepin'sh, I. P. Skrastin'sh, V. V. Kastron, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1989

Langue:

english

Fichier:

PDF, 147 KB

english, 1989

4

Synthesis and investigation of aziridino dioximes

A. V. Eremeev, I. P. Piskunova, V. G. Andrianov, É. É. Liepin'sh

Journal:

Chemistry of Heterocyclic Compounds

Année:

1982

Langue:

english

Fichier:

PDF, 466 KB

english, 1982

5

Analogs of pyrimidine nucleosides. 17. Synthesis of 1-[5(2)-fluoromethyltetrahydro-2-furyl]uracils

L. T. Kaulinya, L. M. Yagupol'skii, N. V. Kondratenko, E. P. Vechirko, A. É. Berzlnya, V. N. Silinya, É. É. Liepin'sh, M. Yu. Lidak, R. A. Zhuk

Journal:

Chemistry of Heterocyclic Compounds

Année:

1982

Langue:

english

Fichier:

PDF, 327 KB

english, 1982

6

3-Amino-2-carbamoyl-4,6-diphenyl-4,5- and -4,7-dihydrothieno-[2,3-b]pyridines

A. A. Krauze, é. é. Liepin'sh, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1987

Langue:

english

Fichier:

PDF, 85 KB

english, 1987

7

ChemInform Abstract: Sulfonation of 2,6-Dimethyl-3,5-dimethoxycarbonyl-4-(2-difluoromethoxyphenyl)-1,4-dihydropyridine (Foridon).

LIEPIN'SH, E. E., SKRASTIN'SH, I. P., KASTRON, V. V., DUBUR, G. YA.

Journal:

Année:

1990

Fichier:

PDF, 95 KB

1990

8

Electrochemical Reduction of 5-Oxoindeno[1,2-b]pyridinium Perchlorates in the Presence of Alkylating Agents.

B. Turovska, D. Muceniece, V. Lusis, I. Turovskis, E. Liepin'sh, J. Stradins

Journal:

Année:

2004

Fichier:

PDF, 22 KB

2004

9

ChemInform Abstract: Reaction of Diaziridine-3,3-dicarboxylic Acid Dihydrazide with Acetone.

Boriss Strumfs, Edvards Liepin'sh, Sergey Belyakov, Peteris Trapencieris, Remir G. Kostyanovsky

Journal:

Année:

2009

Fichier:

PDF, 16 KB

2009

10

Investigation of Benzimidazoles. 5—transmission of the substituent effects in 2-substituted 5(6)-nitrobenzimidazoles studied by 1H, 13C and 15N NMR spectroscopy

V. A. Lopyrev, L. I. Larina, T. I. Vakul'skaya, M. F. Larin, E. F. Shibanova, I. A. Titova, M. G. Voronkov, E. E. Liepin'sh

Journal:

Magnetic Resonance in Chemistry

Année:

1985

Langue:

english

Fichier:

PDF, 360 KB

english, 1985

11

Investigation of benzimidazoles. III—transmission of the substituent effects in 2-substituted 1-methylbenzimidazoles studied by 13C nuclear magnetic resonance

V. A. Lopyrev, L. I. Larina, T. I. Vakul'skaya, E. F. Shibanova, I. A. Titova, M. G. Voronkov, E. E. Liepin'sh

Journal:

Magnetic Resonance in Chemistry

Année:

1982

Langue:

english

Fichier:

PDF, 394 KB

english, 1982

12

Reaction of diaziridine-3,3-dicarboxylic acid dihydrazide with acetone

Boriss Strumfs, Edvards Liepin'sh, Sergey Belyakov, Peteris Trapencieris, Remir G. Kostyanovsky

Journal:

Mendeleev Communications

Année:

2009

Langue:

english

Fichier:

PDF, 334 KB

english, 2009

13

Synthesis and alkylation of 4,6-diphenyl-3-thiocarbamoyl-3,4,5,6-tetrahydropyridine-2(1H)-one and 4,6-diphenyl-3-thiocarbamoyl-3,4-dihydropyridine-2(1H)-one

A. A. Krauze, é. é. Liepin'sh, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1989

Langue:

english

Fichier:

PDF, 613 KB

english, 1989

14

Formation of 5-oxoindeno[1,2-b]pyran derivatives in cyclization of 1,5-diketones of the indian-1,3-dione series

V. K. Lusis, É. É. Liepin'sh, D. Kh. Mutsenietse, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1988

Langue:

english

Fichier:

PDF, 486 KB

english, 1988

15

Synthesis of 5-(5-amino-3,6-dichloro-1,4-benzoquinon-2-yl)-2-dimethylaminothiazoles and their properties

M. F. Utinan, Yu. V. Gulbis, R. é. Valter, é. é. Liepin'sh, G. A. Karlivan, A. S. Edzhinya

Journal:

Chemistry of Heterocyclic Compounds

Année:

1991

Langue:

english

Fichier:

PDF, 568 KB

english, 1991

16

15N chemical shifts in aziridines

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

Journal:

Chemistry of Heterocyclic Compounds

Année:

1988

Langue:

english

Fichier:

PDF, 303 KB

english, 1988

17

4,6-Diaryl-3-thiocarbamoyl-3,4-dihydropyridin-2(1H)-ones

A. A. Krauze, é. é. Liepin'sh, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1987

Langue:

english

Fichier:

PDF, 79 KB

english, 1987

18

Structural analysis of 2,3,6-trisubstituted 1,4-dihydro-4-oxoquinolines by means of13C and15N NMR spectroscopy

L. I. Kononov, G. A. Vėinberg, é. é. Liepin'sh, é. Lukevits

Journal:

Chemistry of Heterocyclic Compounds

Année:

1988

Langue:

english

Fichier:

PDF, 240 KB

english, 1988

19

Synthesis and properties of some derivatives of 2-thionoindeno [1,2-d]-pyrimidine and indeno [1,2-d] [3,1] thiazine

A. Z. Zandersons, V. K. Lusis, é. é. Liepin'sh, D. Kh. Mutsenietse, E. L. Khanina, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1988

Langue:

english

Fichier:

PDF, 502 KB

english, 1988

20

Synthesis and structures of 6-methyl-1-(2-R-phenyl)-dihydropyrimidine-2,4-dione derivatives

R. S. Baltrushis, V. Yu. Mitskyavichyus, I. Ch. Bilinskaite, R. M. Zolotoyabko, É. É. Liepin'sh

Journal:

Chemistry of Heterocyclic Compounds

Année:

1990

Langue:

english

Fichier:

PDF, 892 KB

english, 1990

21

Synthesis and properties of 2,7-diazabicyclo[2.2.2]octane-3,8-diones and -3,8-dithiones

Z. A. Kalme, É. É. Liepin'sh, Yu. É. Pelcher, G. Yu. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1989

Langue:

english

Fichier:

PDF, 405 KB

english, 1989

22

Synthesis and structure of 5-methyl-1-(2-R-phenyl)-dihydro-2,4(1H,3H)-pyrimidinediones and their 2-thiono analogs

V. Yu. Mitskyavichyus, R. S. Baltrushis, I. Ch. Bilinskaite, É. É. Liepin'sh, R. M. Zolotoyabko

Journal:

Chemistry of Heterocyclic Compounds

Année:

1991

Langue:

english

Fichier:

PDF, 669 KB

english, 1991

23

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

Année:

1989

Langue:

english

Fichier:

PDF, 431 KB

english, 1989

24

Heteroorganic derivatives of furan. 65. Effect of substituents on shielding of1H,13C, and29Si and29Si-13C spin-spin coupling constants in NMR spectra of 2-substituted furans and 5-trimethylsilylfurans

Yu. Yu. Popelis, É. É. Liepin'sh, Z. P. Bruveris, É. Lukevits

Journal:

Chemistry of Heterocyclic Compounds

Année:

1990

Langue:

english

Fichier:

PDF, 658 KB

english, 1990

25

Reactions of N-chlorosuccinimide with 4-phenyl-1,4-dihydropyridines

I. P. Skrastin'sh, E. E. Liepin'sh, V. V. Kastron, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1990

Langue:

english

Fichier:

PDF, 295 KB

english, 1990

26

Synthesis and properties of hydrogenated 2-alkylthio-5-oxo-3-cyanoindeno [1,2-b]-pyridines

A. A. Krauze, É. É. Liepin'sh, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1990

Langue:

english

Fichier:

PDF, 379 KB

english, 1990

27

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

Année:

1990

Langue:

english

Fichier:

PDF, 378 KB

english, 1990

28

Nitrogen-containing organosilicon compounds. 151. Synthesis, NMR spectra, and biological activity of hetarylaminoalkylsiloxanes and their hydrochlorides and methiodides

É. Lukevits, V. Luse, I. Zitsmane, É. Liepin'sh, M. Trushule, S. Germane, I. Augustane, V. N. Verovskii, N. G. Prodanchuk, S. E. Deineka, V. N. Nivalov

Journal:

Chemistry of Heterocyclic Compounds

Année:

1991

Langue:

english

Fichier:

PDF, 850 KB

english, 1991

29

Nitrogen-containing organosilicon compounds. 150. Synthesis and chromatographic and1H,13C,15N, and29Si NMR spectroscopic investigation of substituted (piperidinoalkyl)silanes

É. Lukevits, I. Sleiksha, É. Liepin'sh, V. D. Shat-ts, I. Zitsmane, A. Purvinya

Journal:

Chemistry of Heterocyclic Compounds

Année:

1991

Langue:

english

Fichier:

PDF, 617 KB

english, 1991

30

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

Année:

1993

Langue:

english

Fichier:

PDF, 500 KB

english, 1993

31

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

Année:

1993

Langue:

english

Fichier:

PDF, 351 KB

english, 1993

32

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

Année:

1993

Langue:

english

Fichier:

PDF, 393 KB

english, 1993

33

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

Année:

1993

Langue:

english

Fichier:

PDF, 443 KB

english, 1993

34

Some aspects of the enamelling process of steel pipes

L. K. Bidermanis, Ya. P. Liepin'sh, A. A. Sirotinskii, Yu. V. Nikitin, A. N. Yurchenko

Journal:

Glass and Ceramics

Année:

1989

Langue:

english

Fichier:

PDF, 222 KB

english, 1989

35

Double sided enamelling of pipes for land reclamation

L. K. Bidermanis, V. B. Kovalevskii, Ya. P. Liepin'sh, A. E. Makeev, G. E. Mokeev, A. A. Sirotinskii, A. N. Yurchenko

Journal:

Glass and Ceramics

Année:

1984

Langue:

english

Fichier:

PDF, 189 KB

english, 1984

36

Controlling the phase composition and properties of a high silica enamel

Yu. Ya. Éiduk, L. K. Bidermanis, Ya. P. Liepin'sh, K. K. Karlson

Journal:

Glass and Ceramics

Année:

1979

Langue:

english

Fichier:

PDF, 199 KB

english, 1979

37

Synthesis and properties of 2-amino-5-(3,5,6-trichloro-1,4-benzoquinon-2-yl)thiazoles

M. F. Utinan, R. É. Valter, G. A. Karlivan, É. É. Liepin'sh, A. S. édzhinya

Journal:

Chemistry of Heterocyclic Compounds

Année:

1988

Langue:

english

Fichier:

PDF, 571 KB

english, 1988

38

Structure of dilignol,β-O-4-[1-(4-hydroxyphenyl)-2-(2-methoxyphenoxy)-1-ethanol] in crystal and in solution

S. M. Shevchenko, Yu. K. Yakobsons, A. F. Mishnev, M. G. Liepin'sh

Journal:

Journal of Structural Chemistry

Année:

1989

Langue:

english

Fichier:

PDF, 492 KB

english, 1989

39

Dibenzyl(methyl)[γ-(1-piperidyl)propyl]silane hydrooxalate

N. P. Erchak, V. V. Kovalenko, S. M. Lenivko, K. Pypovski, E. Liepin’sh

Journal:

Russian Journal of General Chemistry

Année:

2008

Langue:

english

Fichier:

PDF, 151 KB

english, 2008

40

β-Aziridinylacroleins in reactions with nucleophilic reagents

A. V. Eremeev, D. A. Tikhomirov, V. A. Tyusheva, É. É. Liepin'sh

Journal:

Chemistry of Heterocyclic Compounds

Année:

1978

Langue:

english

Fichier:

PDF, 444 KB

english, 1978

41

Synthesis of 3-amino-6-methyl-5-ethoxycarbonyl-4,7-dihydrothieno[2,3-b]pyridine derivatives

A. A. Krauze, é. é. Liepin'sh, Yu. é. Pelcher, G. Ya. Dubur

Journal:

Chemistry of Heterocyclic Compounds

Année:

1987

Langue:

english

Fichier:

PDF, 403 KB

english, 1987

42

Transformation of β-(5-bromouracil-1-yl)-α-alanine into an imidazo[1,2-c]pyrimidine

R. A. Paégle, I. Zh. Lulle, V. É. Krishane, I. B. Mazheika, É. Ya. Liepin'sh, M. Yu. Lidak

Journal:

Chemistry of Heterocyclic Compounds

Année:

1980

Langue:

english

Fichier:

PDF, 223 KB

english, 1980

43

Analogs of pyrimidine nucleosides

R. A. Zhuk, L. A. Sherin', é. é. Liepin'sh, S. A. Giller

Journal:

Chemistry of Heterocyclic Compounds

Année:

1974

Langue:

english

Fichier:

PDF, 308 KB

english, 1974

44

Synthesis of 6-methyluracil nucleosides from pentafuranose aminooxazolines and diketene

I. A. Drizina, D. Ya. Sniker, É. É. Liepin'sh, É. I. Stankevich

Journal:

Chemistry of Heterocyclic Compounds

Année:

1978

Langue:

english

Fichier:

PDF, 310 KB

english, 1978

45

Chemical peculiarities and structure of 2-(indane-1′, 3′-dionid-2′-yl)pyridinium (α-pyrophthalone)

A. A. Kemme, M. F. Bundule, Ya. Ya. Bleidelis, É. É. Liepin'sh, É. S. Lavrinovich, Yu. É. Fridmanis

Journal:

Chemistry of Heterocyclic Compounds

Année:

1978

Langue:

english

Fichier:

PDF, 400 KB

english, 1978

46

Nitration of furan derivatives with acetyl nitrate. Investigation of the products of nitration of furfural and furfural diacetate

D. O. Lolya, K. K. Venter, É. É. Liepin'sh, M. A. Trushule, S. A. Giller

Journal:

Chemistry of Heterocyclic Compounds

Année:

1976

Langue:

english

Fichier:

PDF, 480 KB

english, 1976

47

Synthesis of 1-amino-2-arylethyleneimine arylhydrazones

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

Journal:

Chemistry of Heterocyclic Compounds

Année:

1975

Langue:

english

Fichier:

PDF, 66 KB

english, 1975

48

Hydrosilylation of 2-vinylquinoline

é. Ya. Lukevits, T. V. Lapina, é. é. Liepin'sh, I. D. Segal

Journal:

Chemistry of Heterocyclic Compounds

Année:

1977

Langue:

english

Fichier:

PDF, 306 KB

english, 1977

49

Investigation of the conductivity of electronic effects by the aziridine ring

é. é. Liepin'sh, V. A. Pestunovich, A. V. Eremeev, D. A. Tikhomirov, N. P. Gaidarova

Journal:

Chemistry of Heterocyclic Compounds

Année:

1977

Langue:

english

Fichier:

PDF, 303 KB

english, 1977

50

NMR spectra of arylaziridines

É. É. Liepin'sh, A. V. Eremeev, D. A. Tikhomirov, R. S. Él'kinson

Journal:

Chemistry of Heterocyclic Compounds

Année:

1978

Langue:

english

Fichier:

PDF, 305 KB

english, 1978