Вадим М. Тимошенко

ORCID: 0000-0002-4879-604X
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About
Contact & Profiles
Research Areas
  • Fluorine in Organic Chemistry
  • Synthesis and Reactions of Organic Compounds
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Organic Chemistry Cycloaddition Reactions
  • Synthesis and Biological Evaluation
  • Synthesis of heterocyclic compounds
  • Synthesis and Catalytic Reactions
  • Synthesis and Reactivity of Sulfur-Containing Compounds
  • Sulfur-Based Synthesis Techniques
  • Organic and Inorganic Chemical Reactions
  • Crystallography and molecular interactions
  • Synthesis and biological activity
  • Cyclopropane Reaction Mechanisms
  • Click Chemistry and Applications
  • Multicomponent Synthesis of Heterocycles
  • Molecular Sensors and Ion Detection
  • Synthesis and Characterization of Heterocyclic Compounds
  • Phenothiazines and Benzothiazines Synthesis and Activities
  • Phosphorus compounds and reactions
  • Carbohydrate Chemistry and Synthesis
  • Chemical Synthesis and Reactions
  • Synthesis and properties of polymers
  • Chemical Reactions and Mechanisms
  • DNA and Nucleic Acid Chemistry

National Academy of Sciences of Ukraine
2013-2024

Institute of Organic Chemistry
2013-2024

Enamine (Ukraine)
2023

Université de Reims Champagne-Ardenne
2002-2012

Centre National de la Recherche Scientifique
2002-2009

Institut de Chimie Moléculaire de Reims
2009

University of Göttingen
1995

Institute of Organic Chemistry
1988

Frantsevich Institute for Problems in Materials Science
1972

The review summarizes a survey of recent advances and contributions to the methods synthesis, chemical properties application β-keto sulfones with main focus on their increasingly growing demand as starting substrates intermediates incorporated in syntheses various classes organic compounds.

10.1080/17415993.2013.815749 article EN Journal of Sulfur Chemistry 2013-08-09

New ruthenium(II) and rhenium(I) bipyridyl calix[4]diquinone receptors have been prepared shown to selectively bind sense acetate anions via remarkable luminescent emission intensity retrieval effects.

10.1039/a905277a article EN Chemical Communications 1999-01-01

Abstract Two novel solid reagents—1‐sulfonimidoyl‐ and 1‐sulfamimidoyl‐3‐methylimidazolium derivatives—for the synthesis of sulfonimidamides imidosulfuric diamides, respectively, were developed. It is shown that these reagents are very effective in substitution reactions with various N‐ O‐nucleophiles; therefore, they significantly extend accessibility to chemical space covered by organosulfur(VI) compounds S=N bonds. In addition, previously unknown diamides free imino nitrogen groups...

10.1002/chem.201900440 article EN Chemistry - A European Journal 2019-02-26

A general approach to bicyclic fused pyrrolidines via [3 + 2]-cycloaddition between nonstabilized azomethyne ylide and endocyclic electron-deficient alkenes was elaborated. "Push–pull" CF3-alkenes did not react with the under previously reported conditions, we developed a superior protocol (LiF, 140 °C, no solvent). Among obtained products were medchem-relevant sulfones, monofluoro-, difluoro-, trifluoromethyl-substituted pyrrolidines. This only allowed preparation of novel molecules but...

10.1021/acs.joc.1c01327 article EN The Journal of Organic Chemistry 2021-08-24

The three-step domino reaction, "thiophilic addition of an organomagnesium reagent onto dithioester-beta-elimination fluoride-[3,3] sigmatropic rearrangement", provides the product formal regiospecific substitution a fluorine atom by allyl group. This mild and versatile methodology was applied to synthesis various alpha-allylic alpha,alpha-bis(allylic) alpha-trifluoromethyl dithioesters.

10.1021/ol061705u article EN Organic Letters 2006-08-19

Abstract Perfluoroketene dithioacetals are simple and versatile compounds that can be transformed into a large variety of trifluoromethyl derivatives, in particular aza‐ thiaheterocycles, perhalodithiocrotonic esters, fluorinated dithiol thiones. These unsaturated perfluorodithioesters analogs give interesting polar cycloaddition reactions whose mechanism is strongly influenced by the fluorine substitution. This substitution plays an important role reactivity saturated...

10.1002/hc.20346 article EN Heteroatom Chemistry 2007-07-01

Abstract Invited for the cover of this issue are Oleksandr Grygorenko and co‐workers at Enamine Ltd., Institute Organic Chemistry NAS Ukraine, Taras Shevchenko National University Kyiv. The image depicts two novel reagents synthesis sulfonimidamides imidosulfuric diamides. Read full text article 10.1002/chem.201900440 .

10.1002/chem.201901179 article EN Chemistry - A European Journal 2019-03-29
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