Search Results - "KALINOVSKY, A. I"
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Sulfated Steroidal Glycosides, Regulusosides S1 and S2, from the Tropical Starfish Pentaceraster regulus
Published in Chemistry of natural compounds (2017)“…Two new sulfated steroidal glycosides were isolated from the EtOH extract of the tropical starfish Pentaceraster regulus. Regulusoside S1 was proposed to be…”
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Synthesis of β-D-Glucopyranosides of 12α-Epimers of 20S-Protopanaxadiol and Betulafolientriol
Published in Chemistry of natural compounds (01-09-2024)“…β -D-Glucopyranosides of 3 β , 12 α ,20 S -trihydroxydammar-24-ene ( 1 ) and 3 α ,12 α ,20 S -trihydroxydammar-24-ene ( 2 ), close structural analogs of…”
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Effect of red seaweed sulfated galactans on initial steps of complement activation in vitro
Published in Carbohydrate polymers (15-02-2021)“…•Red algal galactans can participate in cell surface biology involving complement system.•Polysaccharides inhibit C3 binding to LPS with direct dependence on…”
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New Nor-Isomalabaricanic Acids from the Vietnamese Marine Sponge Rhabdastrella globostellata
Published in Chemistry of natural compounds (2024)“…New nor -isomalabaricanic acids 1 and 2 were isolated from polar fractions of the EtOH extract of the Vietnamese sponge Rhabdastrella globostellata using a…”
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Metabolites of the marine fungus Humicola fuscoatra KMM 4629
Published in Russian chemical bulletin (01-11-2004)Get full text
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A new meroterpenoid from the marine fungus Aspergillus versicolor (Vuill.) Tirab
Published in Russian chemical bulletin (01-04-2010)“…A new meroterpenoid asperdemin ( 1 ) and two known compounds, viz. , diorcinol ( 2 ) and viridicatol ( 3 ), were isolated from the marine fungus Aspergillus…”
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New Steroid Glycosides from the Starfish Asterias rathbuni
Published in Journal of natural products (Washington, D.C.) (01-07-2001)“…Two novel steroidal 24-O-xylosides, designated as rathbuniosides R(1) (1) and R(2) (2), and the known amurensoside A (3) and 3-O-sulfomarthasterone (4) have…”
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Triterpene Glycosides from the Far Eastern Sea Cucumber Pentamera calcigera II: Disulfated Glycosides
Published in Journal of natural products (Washington, D.C.) (01-10-2000)“…Three new triterpene glycosides, calcigerosides D1 (1), D2 (2), and E (3), have been isolated from the sea cucumber Pentamera calcigera. Their structures have…”
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Cancer-preventive activities of secondary metabolites from leaves of the bilberry Vaccinium smallii A. Gray
Published in Phytotherapy research (01-11-2010)“…Ten secondary metabolites including flavonoids (1–8), caffeic (9) and chlorogenic (10) acids were structurally identified from the extract of Sakhalin bilberry…”
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Minor asterosaponin archasteroside C from the starfish Archaster typicus
Published in Russian chemical bulletin (01-11-2010)“…A new minor asterosaponin (20 S )-6- O -{β- d -fucopyranosyl-(1→2)-[β- d -fucopyranosyl-(1→4)-β- d -quinovopyranosyl-(1→2)]-β- d -quinovopyranosyl-(1→3)-β- d…”
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Structures and cytotoxic activities of two new asterosaponins from the antarctic starfish Diplasterias brucei
Published in Russian journal of bioorganic chemistry (01-07-2011)“…Two new asterosaponins, diplasteriosides A and B, bearing the same β- D -Fuc p -(1→2)-β- D -Gal p -(1→4)-[β- D -Qui p -(1→2)]-β- D -Qui p -(1→3)-β- D -Qui p…”
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Structure of Cucumarioside G2, a Novel Nonholostane Glycoside from the Sea Cucumber Eupentacta fraudatrix
Published in Journal of natural products (Washington, D.C.) (01-08-1994)“…The new triterpene glycoside cucumarioside G2 [1] has been isolated from the sea cucumber Eupentacta fraudatrix. Glycoside 1 is the first triterpene glycoside…”
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Koreoside A, a New Nonholostane Triterpene Glycoside from the Sea Cucumber Cucumaria koraiensis
Published in Journal of natural products (Washington, D.C.) (01-08-1997)“…The new triterpene glycoside koreoside A (1) has been isolated from the sea cucumber Cucumaria koraiensis. Koreoside A (1) is the first glycoside reported from…”
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Three new polyhydroxysteroids from the tropical starfish Asteropsis carinifera
Published in Russian journal of bioorganic chemistry (01-11-2010)“…Thirteen steroidal compounds including three new polyhydroxysteroids, (24 R ,25 S )-24-methyl-5α-cholestane-3β,6α,8,15β,16β,26-hexaol, (22 E ,24 R ,25 S…”
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Structure of Eximisoside A, a Novel Triterpene Glycoside from the Far-Eastern Sea Cucumber Psolus eximius
Published in Journal of natural products (Washington, D.C.) (01-08-1997)“…The new triterpene saponin eximisoside A (1) has been isolated from the Far-Eastern sea cucumber Psolus eximius and its structure elucidated by 1D and 2D NMR…”
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Construction of nutrient media for L-form brucella
Published in Problemy osobo opasnyh infekcij (20-06-2012)“…Dry nutrient media on the basis of hepatic infusion and Siberian roach hydrolyzate are constructed. Experimental data demonstrate that these media possess high…”
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Sea anemone Radianthus macrodactylus--a new source of palytoxin
Published in Toxicon (Oxford) (01-11-1992)“…A very potent non-protein toxin was isolated from the sea anemone Radianthus macrodactylus with the use of chromatography on polytetrafluoroethylene,…”
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Polyhydroxylated steroid compounds from the Far Eastern starfish Distolasterias nipon
Published in Russian journal of bioorganic chemistry (2008)“…Two new steroid glycosides: distolasteroside D₆, (24S)-24-O-(β-D-xylopyranosyl)-5α-cholestane-3β,6α,8,15β,16β,24-hexaol, and distolasteroside D₇,…”
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Physicochemical characteristics of interaction of toxic triterpene glycosides from holothurians with rat brain Na+-K+-ATPase
Published in Toxicon (Oxford) (1989)“…High-angle X-ray diffraction spectra showed that triterpene glycosides form crystalline complexes with membrane cholesterol. Electron microscopy demonstrated a…”
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