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  1. No Access

    Article

    Synthesis, hypolipidemic and antifungal activity of tetrahydroberberrubine sulfonates

    The paper describes the synthesis of new tetrahydroberberrubine derivatives containing polyfl uorophenyl- or alkylsulfonate groups at the O(9) position as well as those containing or not containing a bromine a...

    I. V. Nechepurenko, E. D. Shirokova, M. V. Khvostov… in Russian Chemical Bulletin (2019)

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    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)

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    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)