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  1. No Access

    Article

    New 1-(2-chloroquinolin-3-yl)-4-dimethylamino-2-(naphthalen-1-yl)-1-phenylbutan-2-ols with antituberculosis activity

    New 4-dimethylamino-2-(naphthalen-1-yl)-1-phenyl-1-(quinolin-3-yl)butan-2-ols with antituberculosis activity were synthesized. (1R*,2S*)-1-(6-Bromo-2-chloroquinolin-3-yl)-4-dimethylamino-2-(naphthalen-1-yl)-1-phe...

    A. V. Omel’kov, V. E. Fedorov, A. A. Stepanov in Russian Chemical Bulletin (2019)

  2. No Access

    Article

    Influence of Substituents on the Lappaconitine Acetylenic Derivatives Photodegradation

    The natural alkaloid lappaconitine, the anthranilic acid ester, is used against arrhythmias in medical practice, but it undergoes significant photodegradation. The latter may be the cause of the drugs phototox...

    A. A. Schlotgauer, V. I. Klimentiev, V. S. Kornievskaya… in Applied Magnetic Resonance (2015)

  3. No Access

    Article

    Base-catalyzed heterocyclization of 2-(R-ethynyl)benzohydroxamic acids

    Sonogashira alkynylation of methyl 2-iodobenzoate with terminal acetylenes gave a series of methyl 2-(alk-1-yn-1-yl)benzoates which reacted with hydroxylamine in boiling methanol to produce five- or six-membered

    S. F. Vasilevskii, T. F. Mikhailovskaya… in Russian Journal of Organic Chemistry (2014)

  4. No Access

    Article

    Dual reactivity of diazonium salts derived from 1-amino-2-ethynyl-9,10-anthraquinones

    Diazotization of vicinal 1-amino-2-ethynyl-4-R-9,10-anthraquinones followed by a reaction with NaN3 gave 5-hydroxy-3-R-1H-naphtho[2,3-g]indazole-6,11-diones or 3-ethynyl-5-R-6H-anthra[1,9-cd]isoxazol-6-ones, depe...

    S. F. Vasilevsky, A. A. Stepanov, D. S. Fadeev in Russian Chemical Bulletin (2012)

  5. No Access

    Article

    Spin Chemistry Investigation of Peculiarities of Photoinduced Electron Transfer in Donor–Acceptor Linked System

    Photoinduced intramolecular electron transfer in linked systems, (R,S)- and (S,S)-naproxen-N-methylpyrrolidine dyads, has been studied by means of spin chemistry methods [magnetic field effect and chemically indu...

    I. M. Magin, N. E. Polyakov, E. A. Khramtsova, A. I. Kruppa… in Applied Magnetic Resonance (2011)

  6. No Access

    Article

    Catalytic synthesis of polyfluoroolefins

    A catalytic synthesis of polyfluoroolefins was developed proceeding from polyfluorochlorocarbons with the use of industrially produced nickel-chromium catalyst. Three ways of the catalytic synthesis of fluoroo...

    A. A. Stepanov, N. I. Delyagina, V. F. Cherstkov in Russian Journal of Organic Chemistry (2010)

  7. No Access

    Article

    Study of alkaloids of the Siberian and Altai flora 14. Synthesis of alkaloid-based tertiary N-(3-arylprop-2-ynyl)amines

    3-Arylprop-2-ynylamines containing the key fragment of known alkaloids of the Altai flora were synthesized by the Sonogashira and Mannich reactions.

    S. A. Osadchii, E. E. Shults, E. V. Polukhina, M. M. Shakirov… in Russian Chemical Bulletin (2007)

  8. No Access

    Article

    Study of alkaloids of the Siberian and Altai flora 13. Synthesis of alkynyllappaconitines

    The Sonogashira coupling of 5′-iodolappaconitine with prop-2-yn-1-ol, 2-methylbut-3-yn-2-ol, phenylacetylene, and 5-ethynylpyrimidine gave new lappaconitine derivatives containing an alkynyl fragment.

    S. A. Osadchii, E. E. Shul’ts, S. F. Vasilevskii… in Russian Chemical Bulletin (2007)

  9. No Access

    Article

    Electrochemical synthesis and properties of δ-fluoroacyl and δ-perfluoroalkyl transition metal complexes

    The electrochemical synthesis of δ-fluoroacyl complexes [M]-δ-CORf(M=C5H5(CO)3W or (CO)5Mn; Rf=CF3 or C4F9) was performed according to two procedures: (1) the preliminary electrochemical synthesis of [M]− from [M...

    L. I. Denisovich, M. G. Peterleitner, A. A. Stepanov… in Russian Chemical Bulletin (2000)

  10. No Access

    Chapter and Conference Paper

    Electrochemical Route to Fluorinated Kethoesters

    Electrochemical reduction of organic fluorohalogen compounds in the presence of trimethylchlorosilane enables to obtain the fluorinated silanes in synthetic yields. Trifluoroacetic acid esters at the same cond...

    B. I. Martynov, A. A. Stepanov in Novel Trends in Electroorganic Synthesis (1998)

  11. No Access

    Article

    Electrochemical perfluoroalkoxylation of aromatic compounds

    New approaches to the electrochemical synthesis of aryl perfluoroalkyl ethers based on a) the electrooxidation of perfluorocarboxylic acid on a consumable PbO2 anode and b) the simultaneous anodic oxidation of th...

    V. A. Grinberg, S. R. Sterlin, C. A. Lundgren, V. F. Cherstkov… in Russian Chemical Bulletin (1997)

  12. No Access

    Article

    Reductive dimerization of fluoroolefins. 2. Cyclic olefins

    Cyclic perfluoroolefins containing a perfluoroalkyl substituent at the double bond are capable of undergoing reductive dimerization upon cathodic reduction.

    A. A. Stepanov, I. N. Rozhkov in Bulletin of the Academy of Sciences of the… (1983)

  13. No Access

    Article

    Synthesis of higher fluorine-containing dienes and allenes

    1. Highly electrophilic olefins containing three perfluoroalkyl groups at the double bond undergo a unique dimer...

    A. A. Stepanov, G. Ya. Bekker… in Bulletin of the Academy of Sciences of the… (1981)