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1

ChemInform Abstract: Total Synthesis and Properties of Prostaglandins. Part 9. Influence of the Protecting Group of the Octenolic Hydroxyl on the Yield of Prostaglandins and Their Isomeric Composition.

KORITS, V. R., SOKOLOV, G. P., FREIMANIS, YA. F., TUROVSKII, I. V.

Journal:

Year:

1987

File:

PDF, 328 KB

1987

2

Study of the electronic absorption spectra of a series of indene compounds in the solid state

E. A. Silin, L. F. Taure, Ya. F. Freimanis, Ya. A. Eidus

Journal:

Journal of Applied Spectroscopy

Year:

1967

Language:

english

File:

PDF, 280 KB

english, 1967

3

Investigation of the structure of autocomplexes and the nature of charge transfer from dichroism of solutions in liquid crystals

V. G. Rumyantsev, L. M. Blinov, Ya. F. Freimanis, Ya. Ya. Dregeris

Journal:

Journal of Structural Chemistry

Year:

1975

Language:

english

File:

PDF, 377 KB

english, 1975

4

Crystal and molecular structure of 2-[N-acetyl-2-(N′-ethyl-N′-phenylamino)ethylamino]-3-chloro-1,4-naphthoquinone

A. E. Shvets, Ya. Ya. Bleidelis, Ya. F. Freimanis

Journal:

Journal of Structural Chemistry

Year:

1975

Language:

english

File:

PDF, 317 KB

english, 1975

5

Radical anions of intramolecular charge transfer complexes based on 1,4-naphthoquinone

L. M. Baider, R. A. Gavar, V. T. Glezer, Ya. P. Stradyn', Ya. F. Freimanis, Ya. Ya. Ozols

Journal:

Theoretical and Experimental Chemistry

Year:

1983

Language:

english

File:

PDF, 640 KB

english, 1983

6

A spectroscopic study of substituted indenes

Ya. F. Freimanis, A. K. Grinval'de, Yu. Yu. Popel

Journal:

Journal of Applied Spectroscopy

Year:

1967

Language:

english

File:

PDF, 528 KB

english, 1967

7

Surface activity and membranotropic action of 11-deoxyprostaglandins E1

V. M. Yurin, G. D. Matusov, Ya. F. Freimanis, V. V. Kudryashova, K. I. Dikovskaya

Journal:

Pharmaceutical Chemistry Journal

Year:

1986

Language:

english

File:

PDF, 317 KB

english, 1986

8

ChemInform Abstract: Quinonimines and Quinoid Macrocycles. Part 15. Bridged Bis(benzoquinonediimides) Containing Chlorine.

LOKMANE, E. YA., SARUL', E. A., FREIMANIS, YA. F., MEDYNYA, B. A.

Journal:

Year:

1987

File:

PDF, 192 KB

1987

9

ChemInform Abstract: TOTAL SYNTHESIS AND PROPERTIES OF PROSTAGLANDINS. VII. ISOMERIZATION OF (.+-.)-11-DEOXYPROSTAGLANDIN E1

FREIMANIS, YA. F., KORITS, V. R., SOKOLOV, G. P., SHATTS, V. D., SAKHARTOVA, O. V., ROZITE, S. KH., GAVARS, M. P., SIMONYAN, S. P., FRIDMANIS, YU. E., TUROVSKII, I. V.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 217 KB

1985

10

Prostaglandins and malignant neoplasms (review)

L. G. Ignatovich, Ya. F. Freimanis

Journal:

Pharmaceutical Chemistry Journal

Year:

1990

Language:

english

File:

PDF, 764 KB

english, 1990

11

ChemInform Abstract: Total Synthesis and Properties of Prostaglandins. Part 10. Synthesis of γ-Keto Esters and Their Reaction with Some Aluminum and Boron Reagents.

KALNIN'SH, A. P., DIKOVSKAYA, K. I., KUCHIN, A. V., KUDRYASHOVA, V. V., KORITS, V. R., FREIMANIS, YA. F., GAVARS, M. P., SAKHARTOVA, O. V., TUROVSKII, I. V.

Journal:

Year:

1988

File:

PDF, 127 KB

1988

12

Direction of nucleophilic substitution inα, β-unsaturated imino compounds with a donor substituent in the beta position

Ya. F. Freimanis, G. Ya. Vanag

Journal:

Theoretical and Experimental Chemistry

Year:

1966

Language:

english

File:

PDF, 367 KB

english, 1966

13

Cytotoxicity of carboxyalkylcyclopentenones and their derivatives

I. A. Milman, I. S. Augustane, Ya. F. Freimanis, V. N. Verovski, S. I. Kapitonov, O. V. Sukhartova

Journal:

Pharmaceutical Chemistry Journal

Year:

1988

Language:

english

File:

PDF, 343 KB

english, 1988

14

ChemInform Abstract: Totalsynthese der Prostaglandine. 4. Mitt. Synthese von 2-(6-Alkoxycarbonylhexyl)- cyclopent-2-en-1-onen.

BOKALDERE, R. P., LIEPINYA, A. YA., LOZHA, E. V., LOLYA, D. O., FREIMANIS, YA. F.

Journal:

Chemischer Informationsdienst

Year:

1982

File:

PDF, 207 KB

1982

15

ChemInform Abstract: Quinonimines and Quinoid Macrocycles. Part 8. Synthesis of Bridged Bisbenzoquinone Diimides and a Study of Their Electron Acceptor Properties.

LOKMANE, E. YA., SARUL', E. A., FREIMANIS, YA. F., MEDYNYA, B. A.

Journal:

Chemischer Informationsdienst

Year:

1986

File:

PDF, 125 KB

1986

16

ChemInform Abstract: SYNTH. UND EIGENSCHAFTEN VON KOMPLEXEN UND AUTOKOMPLEXEN MIT UEBERGANGSLADUNG 4. MITT. DARST. NEUER BRUECKENSYST. DER 1,4-NAPHTHOCHINON-REIHE

DREGERIS, YA. YA., RONIS, U. YA., POPELIS, YU. YU., FREIMANIS, YA. F.

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 127 KB

1973

17

Analogues of prostacyclin (PGI2) modified in the 2-oxabicyclo[3.3.0]octane fragment (review)

Ya. F. Freimanis, K. Dikovskaya

Journal:

Chemistry of Heterocyclic Compounds

Year:

1986

Language:

english

File:

PDF, 1023 KB

english, 1986

18

Intramolecular cyclization of 2-aryl-3-aminoacetyl-1,4-naphthoquinones to 3-benzocoumaranone derivatives

É. Ya. Lokmane, L. Ya. Larinya, Ya. F. Freimanis, I. B. Mazheika, É. É. Liepin'sh

Journal:

Chemistry of Heterocyclic Compounds

Year:

1979

Language:

english

File:

PDF, 460 KB

english, 1979

19

Quantum-chemical calculation of the electronic structure of tetrathiotetracene

Ya. F. Freimanis, A. A. Yurgis

Journal:

Theoretical and Experimental Chemistry

Year:

1970

Language:

english

File:

PDF, 339 KB

english, 1970

20

A quantum-chemical calculation of the electron structures of the molecule and anion of 1-amino-2-phenylindenone-3 in the CNDO/2 approximation

A. E. Shvets, Ya. F. Freimanis, Ya. Ya. Bleidelis

Journal:

Journal of Structural Chemistry

Year:

1975

Language:

english

File:

PDF, 313 KB

english, 1975

21

Crystal and molecular structure of 2-chloro-3-N-methyl-N-p-tolylaminomethyl-1,4-naphthoquinone

A. E. Shvets, Ya. Ya. Bleidelis, Ya. F. Freimanis

Journal:

Journal of Structural Chemistry

Year:

1975

Language:

english

File:

PDF, 351 KB

english, 1975

22

ChemInform Abstract: SYNTHESIS AND PROPERTIES OF COMPLEXES AND AUTO COMPLEXES WITH CHARGE TRANSFER. XXVII. PHOTOCHEMICAL REACTIONS OF AUTO COMPLEXES OF TH 2-METHYL-1,4-NAPHTHOQUINONE SERIES

GAILITE, V. A., FREIMANIS, YA. F., DREGERIS, YA. YA., LIEPIN'SH, E. E., MAZHEIKA, I. B.

Journal:

Chemischer Informationsdienst

Year:

1979

File:

PDF, 214 KB

1979

23

ChemInform Abstract: Protolytic Cleavage of 2,5-Dimethoxy-2,5-dihydrofuran Derivatives.

D. LOLYA, YA. FREIMANIS, M. GAVAR, YU. POPELIS, I. TUROVSKII, V. BELIKOV

Journal:

Year:

1997

File:

PDF, 26 KB

1997

24

The crystal and molecular structure of 2-chloro-3-N-methyl-p-ethoxycarbonylphenylaminomethyl-1,4-naphthoquinone and comparison with the results of spectroscopic measurements

A. E. Shvets, A. J. Malmanis, J. F. Freimanis, Ya. Ya. Bleidelis, J. J. Dregeris

Journal:

Journal of Structural Chemistry

Year:

1979

Language:

english

File:

PDF, 448 KB

english, 1979

25

ChemInform Abstract: Synthesis and Properties of 5-Hetera-6-oxoprostaglandins E1. Part 3. Synthesis of 5-Aza-6-oxoprostaglandin E1 Derivatives.

LOZHA, E. V., LOLYA, D. O., FREIMANIS, YA. F., TUROVSKII, I. V., LIEPIN'SH, E. E., ROZITE, S. KH., SAKHARTOVA, O. V.

Journal:

Year:

1990

File:

PDF, 197 KB

1990

26

Quantitative determination of 11-deoxyprostaglandins E1by the method of thin-layer chromatography

É. V. Lozha, G. P. Sokolov, Ya. F. Freimanis

Journal:

Pharmaceutical Chemistry Journal

Year:

1980

Language:

english

File:

PDF, 403 KB

english, 1980

27

Synthesis of derivatives of 1, 2, 3, 4-tetrahydro-4-azafluoren-3,9-diones

Yu. E. Pelcher, Ya. F. Freimanis, G. Ya. Vanag

Journal:

Chemistry of Heterocyclic Compounds

Year:

1967

Language:

english

File:

PDF, 153 KB

english, 1967

28

Cyclic β-aminovinylimines

V. A. Usov, Ya. F. Freimanis

Journal:

Chemistry of Heterocyclic Compounds

Year:

1969

Language:

english

File:

PDF, 288 KB

english, 1969

29

ChemInform Abstract: Thermische Umwandlungen des 3-(2,5-Dimethoxy-2,5-dihydro-2-furyl)-propionsäuremethylesters.

LOLYA, D. O., GAVARS, M. P., LIEPIN'SH, E. E., FREIMANIS, YA. F., BOKALDERE, R. P., LIEPINYA, A. YA., SAKHARTOVA, O. V.

Journal:

Chemischer Informationsdienst

Year:

1984

File:

PDF, 178 KB

1984

30

ChemInform Abstract: SYNTHESIS AND PROPERTIES OF INTERMOLECULAR AND INTRAMOLECULAR COMPLEXES WITH CHARGE TRANSFER. XII. KINETICS OF THE NUCLEOPHILIC SUBSTITUTION OF CHLORINE IN 2-CHLORO-1,4-NAPHTHOQUINONE INTRAMOLECULAR COMPLEXES

DREGERIS, YA. YA., FREIMANIS, YA. F., MALMANIS, A. YA., NOVITSKA, D. R., SILE, V. YA.

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 102 KB

1976

31

ChemInform Abstract: Totalsynthese und Eigenschaften von Prostaglandinen. 8. Mitt. Einfluß der Substituenten auf die Reaktionsfähigkeit der Ausgangsverbindungen der Cupratsynthese von Prostanoiden -Derivaten von 2-Carboxyalkylcyclopentanonen.

KORITS, V. R., SOKOLOV, G. P., FREIMANIS, YA. F., SAKHARTOVA, O. V., MILMAN, I. A., FLEISHER, M. B., GLEZER, V. T., MISHNEV, A. F., BLEIDELIS, YA. YA.

Journal:

Chemischer Informationsdienst

Year:

1985

Language:

german

File:

PDF, 250 KB

german, 1985

32

ChemInform Abstract: Prostacyclin PGI2 Analogues, Modified in the 2-Oxabicyclo[3.3.0]octane Moiety

FREIMANIS, YA. F., DIKOVSKAYA, K. I.

Journal:

Chemischer Informationsdienst

Year:

1986

File:

PDF, 87 KB

1986

33

Cause of the discolouration of aromatic polyimides

B.R. Bikson, Ya.F. Freimanis

Journal:

Polymer Science U.S.S.R.

Year:

1970

Language:

english

File:

PDF, 285 KB

english, 1970

34

ChemInform Abstract: Synthesis, Stereostructure and Absolute Configuration of (-)-2-Carboxymethyl-4-(R)-methoxy-2-cyclopenten-1-one.

LOLYA, D. O., MISHNEV, A. F., BLEIDELIS, YA. YA., ANDRIANOV, V. I., FREIMANIS, YA. F.

Journal:

Year:

1988

File:

PDF, 182 KB

1988

35

ChemInform Abstract: SYNTHESE UND EIGENSCHAFTEN VON LADUNGSUEBERTRAGUNGSKOMPLEXEN UND -AUTOKOMPLEXEN 10. MITT. EINIGE MAGNETISCHE EIGENSCHAFTEN DER AUTOKOMPLEXE VON NAPHTHOCHINONEN-(1,4)

GRISHINA, A. D., FREIMANIS, YA. F., DREGERIS, YA. YA.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 87 KB

1975

36

ChemInform Abstract: SYNTHESIS AND PROPERTIES OF COMPLEXES AND AUTOCOMPLEXES WITH CHARGE TRANSFER. XXXIV. STUDY OF THE MECHANISM OF PHOTOCHEMICAL REACTIONS OF AUTOCOMPLEXES OF THE 2-METHYL-1,4-NAPHTHOQUINONE SERIES

GAILITE, V. A., DREGERIS, YA. YA., FREIMANIS, YA. F., MALMANIS, A. YA.

Journal:

Chemischer Informationsdienst

Year:

1980

File:

PDF, 210 KB

1980

37

Total synthesis and properties of prostaglandins. 36. Condensation of (+)2-oxabicyclo[3.3.0]-6-octen-3-one with furylacrolein and furylpropionic aldehyde

K. I. Dikovskaya, I. V. Turovskii, T. V. Mazur, Ya. F. Freimanis

Journal:

Chemistry of Heterocyclic Compounds

Year:

1993

Language:

english

File:

PDF, 333 KB

english, 1993

38

Total synthesis and properties of prostaglandins. 40. Synthesis ofβ-Oxyaminovinyl bicyclic γ-lactones

K. I. Dikovskya, T. V. Mazur, I. V. Turovskii, Ya. F. Freimanis, M. P. Gavars

Journal:

Chemistry of Heterocyclic Compounds

Year:

1995

Language:

english

File:

PDF, 220 KB

english, 1995

39

Thermal transformations of methyl 3-(2,5-dimethoxy-2,5-dihydro-2-furyl)propionate

D. O. Lolya, M. P. Gavars, É. É. Liepin'sh, Ya. F. Freimanis, R. P. Bokaldere, A. Ya. Liepinya, O. V. Sakhartova

Journal:

Chemistry of Heterocyclic Compounds

Year:

1983

Language:

english

File:

PDF, 472 KB

english, 1983

40

ChemInform Abstract: SYNTHESIS AND PROPERTIES OF COMPLEXES AND AUTOCOMPLEXES WITH CHARGE TRANSFER. XLV. STUDIES OF INTRAMOLECULAR DONOR-ACCEPTOR COMPLEXES OF 2-PHENYL-1,4-NAPHTHOQUINONE SERIES

LARINYA, L. YA., LOKMANE, E. YA., FREIMANIS, YA. F.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 224 KB

1985

41

Total synthesis and properties of prostaglandins 34. Synthesis and x-ray structural analysis of (+)4-(carboxymethyloxyiminomethyl)-2-oxabicyclo-[3.3.0]-6-octen-3-one

K. I. Dikovskaya, T. V. Mazur, A. F. Mishnev, I. V. Turovskii, Ya. F. Freimanis

Journal:

Chemistry of Heterocyclic Compounds

Year:

1993

Language:

english

File:

PDF, 413 KB

english, 1993

42

Crystal and molecular structure of N-2,4,6-trinitrobenzyl-N-methyl-p-anisidine

A. E. Shvets, Ya. Ya. Bleidelis, Ya. F. Freimanis

Journal:

Journal of Structural Chemistry

Year:

1975

Language:

english

File:

PDF, 305 KB

english, 1975

43

Spatial structure and absolute configuration of C10H14O4, the optically active predecessor of prostanoids of the α-nor-E series

A. F. Mishnev, Ya. Ya. Bleidelis, I. A. Milman, Ya. F. Freimanis

Journal:

Journal of Structural Chemistry

Year:

1984

Language:

english

File:

PDF, 205 KB

english, 1984

44

Evaluation of thermodynamic characteristics of intramolecular interactions

Ya. F. Freimanis, I. V. Turovskii, Ya. Ya. Dregeris

Journal:

Theoretical and Experimental Chemistry

Year:

1975

Language:

english

File:

PDF, 203 KB

english, 1975

45

Total synthesis and properties of prostaglandins 35. Synthesis and properties of 4-carbomethoxy-alkylaminomethylene-(+)2-oxabicyclo[3.3.0]-6-octen-3-ones

K. I. Dikovskaya, T. V. Mazur, I. V. Turovskii, M. P. Gavars, Ya. F. Freimanis

Journal:

Chemistry of Heterocyclic Compounds

Year:

1993

Language:

english

File:

PDF, 528 KB

english, 1993

46

ChemInform Abstract: Synthese von Derivaten des 2-Carboxymethyl-4-hydroxy-2-cyclopenten-1-ons.

LOLYA, D. O., FREIMANIS, YA. F., BOKALDERE, R. P., LOZHA, E. V., LIEPINYA, A. YA., TUROVSKII, I. V., LIEPIN'SH, E. E., GAVARS, M. P.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 193 KB

1985

47

ChemInform Abstract: SYNTHESIS AND PROPERTIES OF CHARGE-TRANSFER COMPLEXES AND AUTOCOMPLEXES. XV. PHOTOCHEMICAL REACTIONS OF 2,4-DINITRODIPHENYL OXIDE DERIVATIVES

GAILITE, V. A., FREIMANIS, YA. F., LIEPIN'SH, E. E.

Journal:

Chemischer Informationsdienst

Year:

1977

File:

PDF, 125 KB

1977

48

ChemInform Abstract: SYNTHESIS AND PROPERTIES OF CHARGE-TRANSFER COMPLEXES AND AUTOCOMPLEXES. XIX. FFECT OF INTRAMOLECULAR COMPLEXING ON THE KINETICS OF THE NUCLEOPHIL C SUBSTITUTION OF CHLORINE IN AUTOCOMPLEXES OF 2-CHLORO-1,4-NAPHTHOQUINONE

DREGERIS, YA. YA., IGNATOVICH, L. G., FREIMANIS, YA. F.

Journal:

Chemischer Informationsdienst

Year:

1977

File:

PDF, 141 KB

1977

49

Crystal and molecular structure of 1-phenylamino-2-phenyl-3-indenone

A. E. Shvets, A. A. Kemme, Ya. Ya. Bleidelis, Ya. F. Freimanis, R. P. Shibaeva

Journal:

Journal of Structural Chemistry

Year:

1973

Language:

english

File:

PDF, 243 KB

english, 1973

50

Calculation of dipole moments in conjugated enamines by LCAO MO method

Ya. F. Freimanis, I. B. Mazheika

Journal:

Theoretical and Experimental Chemistry

Year:

1968

Language:

english

File:

PDF, 413 KB

english, 1968

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