Search Results - "ANUFRIEV, Victor Ph"

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    Dimeric (Poly)Hydroxynaphthazarins, Metabolites of Echinoderms and Lichens: The History of the Synthesis and Structure Elucidation by Pelageev, Dmitry N, Borisova, Ksenia L, Anufriev, Victor Ph

    Published in Marine drugs (19-07-2023)
    “…This review provides information on the synthesis and revision of the structures of natural dimeric (poly)hydroxynaphthazarins, metabolites of echinoderms and…”
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    Journal Article
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    Echinamines A and B, First Aminated Hydroxynaphthazarins from the Sea Urchin Scaphechinus mirabilis by MISCHENKO, Natalia P., FEDOREYEV, Sergey A., POKHILO, Nataly D., ANUFRIEV, Victor Ph, DENISENKO, Vladimir A., GLAZUNOV, Valery P.

    “…Two new spinochromes, echinamines A (1) and B (2), were isolated from the sea urchin Scaphechinus mirabilis. Compounds 1 and 2 represent the first examples of…”
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    A simple synthesis of natural spinazarins and their analogues by Pelageev, Dmitry N., Borisova, Ksenia L., Kovach, Svetlana M., Makhankov, Vyacheslav V., Anufriev, Victor Ph

    Published in Mendeleev communications (01-03-2023)
    “…[Display omitted] A short simple synthesis of spinazarins (2,3-dihydroxy-naphthazarins or 2,3,5,8-tetrahydroxy-1,4-naphtho-quinones) from available…”
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    Unexpected conversion of echinochrome to brominated spinochrome D. Synthesis of 2-amino-3,6,7-trihydroxynaphthazarin produced by the sea urchins Strongylocentrotus nudus and Psammechinus miliaris by Melman, Galina I., Borisova, Ksenia L., Pokhilo, Nataly D., Makhankov, Vyacheslav V., Anufriev, Victor Ph

    Published in Tetrahedron letters (17-02-2016)
    “…[Display omitted] Two approaches to the total synthesis of 2-amino-3,6,7-trihydroxynaphthazarin, a metabolite of the sea urchins Strongylocentrotus nudus and…”
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    Journal Article
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    Revision of the structure of cuculoquinone to 3,3′-bis(6-ethyl-2,5,7,8-tetrahydroxy-1,4-naphthoquinone) and confirmation of the proposed structure by synthesis by Pokhilo, Nataly D., Dragan, Sergey V., Anufriev, Victor Ph

    Published in Tetrahedron letters (13-07-2011)
    “…A reinvestigation of cuculoquinone, previously isolated from the lichen Cetraria cucullata, led to a revision of the proposed structure to…”
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    Journal Article
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    Preparative production of spinochrome E, a pigment of different sea urchin species by Shestak, Olga P, Anufriev, Victor Ph, Novikov, Vyacheslav L

    Published in Natural product communications (01-07-2014)
    “…A concise route to spinochrome E (1) (2,3,5,6,7,8-hexahydroxy-1,4-naphthoquinone), a pigment isolated from sea urchins of different species, has been developed…”
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    Synthesis, Cytotoxic and Contraceptive Activity of 6,8,9-Trihydroxy-2-methyl-2H-naphtho[2,3-b]pyran-5,10-dione, a Pigment of Echinothrix diadema, and its Analogs by Pokhilo, Natalia D, Melman, Galina I, Kiseleva, Marina I, Denisenko, Vladimir A, Anufriev, Victor Ph

    Published in Natural product communications (01-07-2015)
    “…6,8,9-Trihydroxy-2-methyl-2H-naphtho[2,3-b]pyran-5,10-dion, a pigment of the sea urchin Echinothrix diadema, and six analogs were synthesized. The cytotoxic…”
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    Total synthesis of hybocarpone, a cytotoxic naphthazarin derivative from the lichen Lecanora hybocarpa, and related compounds by Dragana, Sergey V, Pushilin, Michael A, Glazunov, Valery P, Denisenko, Vladimir A, Anufriev, Victor Ph

    Published in Natural product communications (01-12-2014)
    “…The concise synthesis of the lichen-derived antitumor agent hybocarpone (1) and its analogs is described. A new synthetic approach is based on the direct…”
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    Regiospecificity in the reaction of 2,3-dichloronaphthazarins with azide anions. Synthesis of echinamine A—a metabolite produced by the sea urchin Scaphechinus mirabilis by Pokhilo, Nataly D., Yakubovskaya, Alla Ya, Denisenko, Vladimir A., Anufriev, Victor Ph

    Published in Tetrahedron letters (27-02-2006)
    “…It was found that 6-hydroxy- and 6-alkoxy-2,3-dichloronaphthazarins react smoothly with sodium azide in methanol to produce the corresponding 2-azido…”
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    Concerning the structure of islandoquinone isolated from the lichen Cetraria islandica by Borisova, Ksenia L, Pelageev, Dmitry N, Kochergina, Tatiana Yu, Pokhilo, Nataly D, Pushilin, Michael A, Denisenko, Vladimir A, Berdyshev, Dmitry V, Anufriev, Victor Ph

    Published in Natural product communications (01-06-2014)
    “…An investigation of the oxidative coupling products of some substituted hydroxynaphthazarins led to a revision of the proposed structure of islandoquinone,…”
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    First direct observation of tautomerism of monohydroxynaphthazarins by IR-spectroscopy by Glazunov, Valery P., Tchizhova, Alla Ya, Pokhilo, Nataly D., Anufriev, Victor Ph, Elyakov, George B.

    Published in Tetrahedron (25-02-2002)
    “…Some substituted monohydroxylated naphthazarins (5,8-dihydroxy-1,4-naphthoquinones) were synthesized and studied by IR-spectroscopy in aprotic organic solvents…”
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    Echinamines A and B, First Aminated Hydroxynaphthazarins from the Sea Urchin Scaphechinus m irabilis by Mischenko, Natalia P., Fedoreyev, Sergey A., Pokhilo, Nataly D., Anufriev, Victor Ph, Denisenko, Vladimir A., Glazunov, Valery P.

    “…Two new spinochromes, echinamines A (1) and B (2), were isolated from the sea urchin Scaphechinus mirabilis. Compounds 1 and 2 represent the first examples of…”
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    Journal Article
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