Search Results - "Vydrina, V. A."

Synthesis of Ibuprofen Conjugates with Betulin, Allobetulin, and Betulinic Acid by Yakovleva, M. P., Sayakhov, R. R., Saitov, K. M., Medvedeva, N. I., Vydrina, V. A., Yunusova, G. A., Gorshunova, R. V., Ishmuratov, G. Yu

“…Syntheses of mono- and diester derivatives of betulin, allobetulin, and betulinic acid with ibuprofen that were based on Steglich condensation or acid-chloride…”
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Hydroboration–Oxidation of Terpenoids in Targeted Syntheses of Low-Molecular-Mass Bioregulators by Yakovleva, M. P., Vydrina, V. A., Kravchenko, A. A., Ishmuratov, G. Yu

“…Examples of hydroboration–oxidation of natural mono-, sesqui-, di-, and triterpenoids are reviewed. Diborane, BH 3 ·THF, BH 3 ·Me 2 S, disiamylborane,…”
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Synthesis of Betulonic and Betulinic Acids from Betulin by Yakovleva, M. P., Vydrina, V. A., Sayakhov, R. R., Ishmuratov, G. Yu

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Stereoselective Synthesis of the Antileukemic Sesquiterpene (+)-Caparratriene from L-menthol and Tiglic Aldehyde by Vydrina, V. A., Kravchenko, A. A., Yakovleva, M. P., Ishmuratova, N. M., Ishmuratov, G. Yu

“…A stereoselective synthesis of natural (+)-caparratriene was developed starting from commercially available L-menthol and tiglic aldehyde. The key step was a…”
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Hydroboration by Diborane of Methyl Abietate by Vydrina, V. A., Kravchenko, A. A., Yakovleva, M. P., Muslukhov, R. R., Tolstikov, A. G., Ishmuratov, G. Yu

“…Hydroboration-oxidation of methyl abietate by diborane in THF occurred preferentially at the sterically unhindered β -side of the molecule without involving…”
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One-Step Synthesis from Castor Oil of Enantiomeric Macrolides by Ishmuratov, G. Yu, Yakovleva, M. P., Vydrina, V. A., Denisova, K. S., Sayakhov, R. R., Vil′danova, R. R., Vyrypaev, E. M., Tolstikov, A. G.

“…A one-step synthesis of potentially useful enantiomerically pure macroheterocycles with four esters was developed starting from natural castor oil…”
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[1 + 1]-Condensation of 12-Oxo-Derivatives of Ricinoleic Acid Esters with Hydrazine Hydrate on the Route to Macrocycles by Ishmuratov, G. Yu, Yakovleva, M. P., Vydrina, V. A., Rubleva, M. A., Ishmuratova, N. M., Tolstikov, A. G.

“…The reactivities of the keto analogs of methyl ricinolate and its triglyceride with hydrazine hydrate were studied. The ester was found to be inert, which made…”
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Chemoselective Baeyer–Villiger Oxidation of R-(+)-Camphor with Caroʼs Acid by Vydrina, V. A., Yakovleva, M. P., Ishmuratov, G. Yu

“…Chemoselective Baeyer–Villiger oxidation of R -(+)-camphor with Caroʼs acid afforded a mixture of 1,2- and 3,4-campholactones…”
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Preparative Synthesis of 4-Oxooctanoic and 4-Oxodecanoic Acids - Components of Sex Pheromone of Asian Hornet Vespa velutina by Vydrina, V. A., Yakovleva, M. P., Podsolikhina, A. A., Ishmuratova, N. M.

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Transformations of Seven-Membered Terpene Lactones toward Low-Molecular-Weight Bioregulators by Vydrina, V. A., Yakovleva, M. P., Ishmuratov, G. Yu

“…The review describes low-temperature reduction of (–)-mentholactone with diisobutylaluminum hydride in methylene chloride. Depending on the conditions, three…”
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Performic Acid–Sulfuric Acid System as a Key Reagent for the Synthesis of Allobetulone A-seco-derivatives by Yakovleva, M. P., Vydrina, V. A., Sayakhov, R. R., Ishmuratov, G. Yu

“…The performic acid–sulfuric acid system in methylene chloride was proposed as a key reagent for the synthesis of a number of A- seco -derivatives of…”
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Influence of Some Factors on the Progress of a New Reaction in the Chemistry of Organoaluminum Compounds by Yakovleva, M. P., Vydrina, V. A., Ishmuratov, G. Yu

“…We earlier discovered a new reaction in the chemistry of organoaluminum compounds (OACs), specifically, the formation of O -isobutyl acetals on low-temperature…”
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Synthesis of α,ω-Diketodiesters from Betulin by Vydrina, V. A., Sayakhov, R. R., Yakovleva, M. P., Zileeva, Z. R., Talipov, R. F., Ishmuratov, G. Yu

“…A new synthesis of 3-oxo-28-hydroxylup-20(29)-ene from the available natural triterpenoid betulin was developed. α,ω-Diketodiesters were prepared for the first…”
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Synthesis of [2+1] Conjugates of Betulic Acid with α,ω-Diols by Yakovleva, M. P., Vydrina, V. A., Sayakhov, R. R., Ishmuratova, N. M., Ishmuratov, G. Yu

“…Three synthetic approaches to [2+1] conjugates of betulic acid with α,ω-diols have been tested. The best results have been obtained in the reaction of betulic…”
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Methods for Macrolactonization of Seco Acids in the Synthesis of Natural and Biologically Active Compounds by Yakovleva, M. P., Denisova, K. S., Vydrina, V. A., Tolstikov, A. G., Ishmuratov, G. Yu

“…The review describes the most common macrolactonization reactions, including the activation of one and/or another terminal functional group in a seco acid in…”
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Synthesis of Macroheterocycles Containing Pyridine-2,6-dicarboxylic and Adipic Acid Ester and Hydrazide Fragments Starting from Tetrahydropyran by Vydrina, V. A., Denisova, K. S., Yakovleva, M. P., Vyrypaev, E. M., Tolstikov, A. G., Ishmuratov, G. Yu

“…Efficient methods have been developed for the synthesis of three potentially useful macroheterocycles containing pyridine-2,6-dicarboxylic and adipic acid…”
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Synthesis and Properties of Methyl 3,4-Epoxy-3,11-dioxo-3,4seco-18β-olean-12-ene-30-carboxylate in a New Reaction of Organoaluminium Compounds by Vydrina, V. A., Kravchenko, A. A., Sataraev, D. A., Sayakhov, R. R., Tolstikov, A. G., Ishmuratov, G. Yu

“…An effective reagent (performic acid) was proposed for the Bayer–Villiger oxidation of glycyrrhetic acid methyl ester to the corresponding oxepan-2-one. The…”
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Enantioselective Bioreduction of 5-Hexen-2-one in Directional Synthesis of Insect Pheromones by Petukhova, N. I., Zorin, V. V., Sakaeva, A. R., Mityagina, A. V., Nurieva, E. R., Vydrina, V. A., Yakovleva, M. P., Ishmuratov, G. Yu

“…(2 S )-Tridecyl acetate (sex pheromone of Drosophila mulleri ) and ( S )-1-methylbutyl esters of (2 Е )-2-methylpent-2-enoic and (2 Е…”
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Macrolactonization of 12R-Hydroxyoctadec-9Z-Enoic Acid by Yakovleva, M. P., Mingaleeva, G. R., Vydrina, V. A., Kravchenko, A. A., Ishmuratov, G. Yu

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Synthesis from (–)-α-Pinene of an Optically Active Macrocyclic Diesterdihydrazide with 2,6-Pyridinedicarboxylic and Adipic Acid Moities by Ishmuratov, G. Yu, Vydrina, V. A., Denisova, K. S., Yakovleva, M. P., Gazetdinov, R. R., Vyrypaev, E. M., Tolstikov, A. G.

“…An optically active macrocyclic diesterdihydrazide with 2,6-pyridinedicarboxylic and adipic acid moieties was synthesized efficiently from available…”
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