Search Results - "ANUFRIEV, Victor Ph"
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1
Dimeric (Poly)Hydroxynaphthazarins, Metabolites of Echinoderms and Lichens: The History of the Synthesis and Structure Elucidation
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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2
Activity of New Synthetic (2-Chloroethylthio)-1,4-naphthoquinones in Prostate Cancer Cells
Published in Pharmaceuticals (Basel, Switzerland) (22-09-2021)“…Development of resistance to currently available standard therapies in advanced prostate cancer (PCa) emphasizes the need for novel therapeutic options. Here,…”
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3
Inspired by Sea Urchins: Warburg Effect Mediated Selectivity of Novel Synthetic Non-Glycoside 1,4-Naphthoquinone-6S-Glucose Conjugates in Prostate Cancer
Published in Marine drugs (11-05-2020)“…The phenomenon of high sugar consumption by tumor cells is known as Warburg effect. It results from a high glycolysis rate, used by tumors as preferred…”
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4
Successful Targeting of the Warburg Effect in Prostate Cancer by Glucose-Conjugated 1,4-Naphthoquinones
Published in Cancers (30-10-2019)“…Treatment of castration-resistant prostate cancer (CRPC) remains challenging due to the development of drug resistance. The Warburg effect describes the…”
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5
Echinamines A and B, First Aminated Hydroxynaphthazarins from the Sea Urchin Scaphechinus mirabilis
Published in Journal of natural products (Washington, D.C.) (01-09-2005)“…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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6
A simple synthesis of natural spinazarins and their analogues
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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7
In vitro and in vivo investigations of novel 1,4-napthoquinone sulphomethylene carbohydrate conjugates in prostate cancer
Published in Journal of clinical oncology (20-02-2021)“…Abstract only 104 Background: The Warburg effect describes the ability of cancer cells to consume larger amounts of glucose in comparison to normal tissue, due…”
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8
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
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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9
Quinone–carbohydrate nonglucoside conjugates as a new type of cytotoxic agents: Synthesis and determination of in vitro activity
Published in European journal of medicinal chemistry (22-04-2014)“…We have found that 2-methoxy-1,4-naphthoquinones easily react with primary alcohols to produce the corresponding 2-alkoxyderivatives. Using this reaction, we…”
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10
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
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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11
Preparative production of spinochrome E, a pigment of different sea urchin species
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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12
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
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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13
Total synthesis of hybocarpone, a cytotoxic naphthazarin derivative from the lichen Lecanora hybocarpa, and related compounds
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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14
Regiospecificity in the reaction of 2,3-dichloronaphthazarins with azide anions. Synthesis of echinamine A—a metabolite produced by the sea urchin Scaphechinus mirabilis
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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15
Concerning the structure of islandoquinone isolated from the lichen Cetraria islandica
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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Synthesis of ginsenoside Rg3, a minor constituent of Ginseng Radix
Published in Carbohydrate research (01-11-1997)Get full text
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17
Synthesis of Echinamines A and B, the First Aminated Hydroxynaphthazarins Produced by the Sea Urchin Scaphechinus mirabilis and Its Analogues
Published in Journal of natural products (Washington, D.C.) (01-08-2006)“…The first total synthesis of two marine aminated hydroxynaphthazarins, echinamines A (3-amino-7-ethyl-2,5,6,8-tetrahydroxy-1,4-naphthoquinone) and B…”
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18
First direct observation of tautomerism of monohydroxynaphthazarins by IR-spectroscopy
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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19
Echinamines A and B, First Aminated Hydroxynaphthazarins from the Sea Urchin Scaphechinus m irabilis
Published in Journal of natural products (Washington, D.C.) (23-09-2005)“…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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20
Synthesis of Echinamines A and B, the First Aminated Hydroxynaphthazarins Produced by the Sea Urchin Scaphechinus m irabilis and Its Analogues
Published in Journal of natural products (Washington, D.C.) (25-08-2006)“…The first total synthesis of two marine aminated hydroxynaphthazarins, echinamines A (3-amino-7-ethyl-2,5,6,8-tetrahydroxy-1,4-naphthoquinone) and B…”
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