Works by Flekhter, O. B.

Results: 16

Synthesis of methyl esters of betulinic acid 2-deoxy- α-glycosides and 28-oxo-19,28-epoxyoleanane.

Published in:

Chemistry of Natural Compounds, 2006, v. 42, n. 6, p. 706, doi. 10.1007/s10600-006-0258-4

By:

Flekhter, O. B.;
Medvedeva, N. I.;
Tret'yakova, E. V.;
Galin, F. Z.;
Tolstikov, G. A.

Publication type:

Article

Structure of the minor ozonolysis product of 19 β,28-epoxy-A- neo-18 α-olean-3(5)-ene.

Published in:

Chemistry of Natural Compounds, 2006, v. 42, n. 5, p. 618, doi. 10.1007/s10600-006-0233-0

By:

Medvedeva, N. I.;
Flekhter, O. B.;
Gzella, A.;
Zaprutko, L.

Publication type:

Article

Synthesis of Phenyl-2,3-oxazine Derivatives of Chrysenequinonecarboxylic Acid.

Published in:

Chemistry of Natural Compounds, 2004, v. 40, n. 4, p. 391, doi. 10.1023/B:CONC.0000048255.87504.d0

By:

Tret'yakova, E. V.;
Flekhter, O. B.;
Galin, F. Z.;
Tolstikov, G. A.

Publication type:

Article

Synthesis of 4,5-Seco-Derivatives of Allobetulin.

Published in:

Chemistry of Natural Compounds, 2004, v. 40, n. 3, p. 247, doi. 10.1023/B:CONC.0000039133.48494.db

By:

Medvedeva, N. I.;
Flekhter, O. B.;
Baltina, L. A.;
Galin, F. Z.;
Tolstikov, G. A.

Publication type:

Article

Selective Oxidation of Triterpene Alcohols by Sodium Hypochlorite.

Published in:

Chemistry of Natural Compounds, 2004, v. 40, n. 2, p. 141, doi. 10.1023/B:CONC.0000033930.76751.b7

By:

Flekhter, O. B.;
Ashavina, O. Yu.;
Smirnova, I. E.;
Baltina, L. A.;
Gatin, F. Z.;
Kabal nova,, N. N.;
Tolstikov, G. A.

Publication type:

Article

Synthesis of a Diterpene 1,3,4-Oxadiazolin-2′-one from Dimethylcyclopentenonepimarate.

Published in:

Chemistry of Natural Compounds, 2003, v. 39, n. 2, p. 204, doi. 10.1023/A:1024874100101

By:

Tret'yakova, E. V.;
Flekhter, O. B.;
Galin, F. Z.;
Spririkhin, L. V.;
Tolstikov, G. A.

Publication type:

Article

Oxidation of Betulin and Its Monoacetates by “Activated” DMSO.

Published in:

Chemistry of Natural Compounds, 2003, v. 39, n. 2, p. 207, doi. 10.1023/A:1024826316939

By:

Ashavina, O. Yu.;
Flekhter, O. B.;
Galin, F. Z.;
Kabal'nova, N. N.;
Baltina, L. A.;
Tolstikov, G. A.

Publication type:

Article

Beckmann Rearrangement of Dimethylcyclopentanonepimarate Oxime.

Published in:

Chemistry of Natural Compounds, 2003, v. 39, n. 1, p. 16, doi. 10.1023/A:1024164126004

By:

Tret'yakova, E. V.;
Flekhter, O. B.;
Galin, F. Z.;
Baikova, I. P.;
Tolstikov, G. A.

Publication type:

Article

Synthesis, structure, and acylation of dihydroquinopimaric acid hydroxy derivatives.

Published in:

Russian Journal of Organic Chemistry, 2008, v. 44, n. 11, p. 1598, doi. 10.1134/S1070428008110055

By:

Smirnova, I. E.;
Tret'yakova, E. V.;
Flekhter, O. B.;
Spirikhin, L. V.;
Galin, F. Z.;
Tolstikov, G. A.;
Starikova, Z. A.;
Korlyukov, A. A.

Publication type:

Article

Synthetic Transformations of Higher Terpenoids: XI. Synthesis of A-Nor-5bH-19b,28-epoxy-18a-olean-3-one Derivatives.

Published in:

Russian Journal of Organic Chemistry, 2004, v. 40, n. 8, p. 1092, doi. 10.1023/B:RUJO.0000045887.67489.44

By:

Medvedeva, N. I.;
Flekhter, O. B.;
Tretyakova, E. V.;
Galin, F. Z.;
Baltina, L. A.;
Spirikhin, L. V.;
Tolstikov, G. A.

Publication type:

Article

Synthesis of 1,2,3-Thiadiazolo Terpenoids on the Basis of Cyclopentanonopimaric and Betulonic Acids.

Published in:

Russian Journal of Organic Chemistry, 2004, v. 40, n. 1, p. 90, doi. 10.1023/B:RUJO.0000034915.91472.fb

By:

Flekhter, O. B.;
Tret'yakova, E. V.;
Medvedeva, N. I.;
Baltinax, L. A.;
Galin, F. Z.;
Tolstikov, G. A.;
Bakulev, V. A.

Publication type:

Article

Synthesis of 2-Amino-4-aryl-3-cyano-4H-pyrano and 2-Amino-3-cyanothieno Derivatives of Cyclopentanonopimaric Acid.

Published in:

Russian Journal of Organic Chemistry, 2003, v. 39, n. 12, p. 1738, doi. 10.1023/B:RUJO.0000019737.78635.bd

By:

Tret'yakova, E. V.;
Flekhter, O. B.;
Galin, F. Z.;
Spirikhin, L. V.;
Tolstikov, G. A.

Publication type:

Article

Synthesis of 1,6-Dihydro- and 4-(4-Nitrophenyl)-1,2,3,4-tetrahydropyrimidine, 1H- and 1-Phenyl-1H-pyrazole, and Isoxazole Derivatives on the Basis of Cyclopentanonopimaric Acid.

Published in:

Russian Journal of Organic Chemistry, 2003, v. 39, n. 9, p. 1349, doi. 10.1023/B:RUJO.0000010227.97769.26

By:

Tret'yakova, E. V.;
Flekhter, O. B.;
Galin, F. Z.;
Spirikhin, L. V.;
Baikova, I. P.;
Tolstikov, G. A.

Publication type:

Article

Synthesis and Antiviral Activity of Lupane Triterpenoids and Their Derivatives.

Published in:

Pharmaceutical Chemistry Journal, 2004, v. 38, n. 7, p. 355, doi. 10.1023/B:PHAC.0000048431.65649.bd

By:

Flekhter, O. B.;
Boreko, E. I.;
Nigmatullina, L. R.;
Pavlova, N. I.;
Medvedeva, N. I.;
Nikolaeva, S. N.;
Ashavina, O. A.;
Savinova, O. V.;
Baltina, L. A.;
Galin, F. Z.;
Tolstikov, G. A.

Publication type:

Article

Synthesis and Pharmacological Activity of Acylated Betulonic Acid Oxides and 28-Oxo-Allobetulone.

Published in:

Pharmaceutical Chemistry Journal, 2004, v. 38, n. 3, p. 148, doi. 10.1023/B:PHAC.0000034305.96047.87

By:

Flekhter, O. B.;
Boreko, E. I.;
Nigmatullina, L. R.;
Pavlova, N. I.;
Medvedeva, N. I.;
Nikolaeva, S. N.;
Tret'yakova, E. V.;
Savinova, O. V.;
Baltina, L. A.;
Karachurina, L. T.;
Galin, F. Z.;
Zarudii, F. S.;
Tolstikov, G. A.

Publication type:

Article

Synthesis and Antiulcer Activity of Quinopimaric Acid Derivatives.

Published in:

Pharmaceutical Chemistry Journal, 2003, v. 37, n. 3, p. 142, doi. 10.1023/A:1024538715025

By:

Flekhter, O. B.;
Tret'yakova, E. V.;
Makara, N. S.;
Gabdrakhmanova, S. F.;
Baschenko, N. Zh.;
Galin, F. Z.;
Zarudii, F. S.;
Tolstikov, G. A.

Publication type:

Article