Search Results - "Koketsu, Mamoru"

Recent developments in the synthesis of biologically relevant selenium-containing scaffolds by Banerjee, Bubun, Koketsu, Mamoru

“…[Display omitted] •Se-containing organic scaffolds synthesis.•Se-containing heterocycles synthesis.•Se-containing bioactive organic scaffolds…”
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Synthesis of Seleno‐Heterocycles via Electrophilic/Radical Cyclization of Alkyne Containing Heteroatoms by Sonawane, Amol D., Sonawane, Rohini A., Ninomiya, Masayuki, Koketsu, Mamoru

“…containing heterocyclic scaffolds by virtue of their interesting reactivities and a broad range of applications in the medicinal and materials chemistry. This…”
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Biologically significant selenium-containing heterocycles by Ninomiya, Masayuki, Garud, Dinesh R., Koketsu, Mamoru

“…► Selenium represents an essential element for organisms. ► As selenium containing is very important for the organism, various diseases can result from…”
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Synthesis of indole-2-, 3-, or 5-substituted propargylamines via gold(III)-catalyzed three component reaction of aldehyde, alkyne, and amine in aqueous medium by Srinivas, Venu, Koketsu, Mamoru

“…A simple and efficient route to indole-2-, 3-, or 5-substituted propargylamines by three component-coupling of substituted indole carboxaldehydes, terminal…”
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Synthesis of 2,8-Dioxabicyclo[3.3.1]nonane Derivatives via a Sequential Knoevenagel Condensation and Hetero-Diels–Alder Reaction in an Aqueous Medium by Srinivas, Venu, Koketsu, Mamoru

“…Utilizing aldehyde-substituted vinylogous carbonates and 1,3-diketones, a simple protocol is presented for the synthesis of 2,8-dioxabicyclo[3.3.1]nonane…”
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Isolation and analysis of polysaccharide showing high hyaluronidase inhibitory activity in Nostochopsis lobatus MAC0804NAN by Yamaguchi, Yuji, Koketsu, Mamoru

“…An active substance with high hyaluronidase inhibitory effect was isolated from the edible cyanobacterium Nostochopsis lobatus MAC0804NAN strain and…”
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Synthesis, Characterization, and Antileukemic Properties of Naphthoquinone Derivatives of Lawsone by Inagaki, Ryuta, Ninomiya, Masayuki, Tanaka, Kaori, Koketsu, Mamoru

“…Naphthoquinones are considered privileged structures for anticancer drug molecules. The Heck reaction of 2‐hydroxy‐1,4‐naphthoquinone (lawsone) with…”
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A New Depsidone from Teloschistes flavicans and the Antileukemic Activity by Sanjaya, Angga, Avidlyandi, Avidlyandi, Adfa, Morina, Ninomiya, Masayuki, Koketsu, Mamoru

“…Lichens produce a variety of secondary metabolites that could be potential sources of pharmaceutically useful chemicals. However, only a limited number of…”
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Application of bis-2-(trimethylsilyl)ethyl diselenide to the synthesis of selenium-containing amino acid derivatives by Yonezawa, Tsubasa, Yamaguchi, Masahito, Ninomiya, Masayuki, Koketsu, Mamoru

“…Selenium-containing amino acids play a pivotal role as biomaterials for the synthesis of Se-dependent enzymes and repair proteins. Especially, selenocysteine…”
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An efficient method for the synthesis of selenium modified nucleosides: its application in the synthesis of Se-adenosyl-L-selenomethionine (SeAM) by Kogami, Masakazu, Koketsu, Mamoru

“…In this paper, we report that a versatile method for the synthesis of 5'-selenium modified nucleosides has been explored on the basis of a…”
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Sentulic acid isolated from Sandoricum koetjape Merr attenuates lipopolysaccharide and interferon gamma co-stimulated nitric oxide production in murine macrophage RAW264 cells by Itoh, Tomohiro, Katsurayama, Kousuke, Efdi, Mai, Ninomiya, Masayuki, Koketsu, Mamoru

“…A seco-triterpenoid, sentulic acid isolated from Sandoricum koetjape Merr attenuated lipopolysaccharidesand interferon-gamma co-stimulated nitric oxide…”
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Synthesis and Cytotoxicity on Human Leukemia Cells of Furonaphthoquinones Isolated from Tabebuia Plants by Inagaki, Ryuta, Ninomiya, Masayuki, Tanaka, Kaori, Watanabe, Kunitomo, Koketsu, Mamoru

“…Furonaphthoquinones are promising skeletons for anticancer drug molecules. In particular, methoxylated furonaphthoquinones are characteristic constituents of…”
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Modification Structure of Cinnamaldehyde with Primary Amines by Reflux and Sonication Methods in the Presence of Sulfuric Acid as a Catalyst by Setyono, Hilda Alfiyani, Suryanti, Venty, Putri, Alfianita Utama, Koketsu, Mamoru

“…Cinnamon is one of the most valuable natural resources that sustains life and exists freely in nature. Cinnamaldehyde is the primary compound in cinnamon oil…”
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(-)- O -Methylcubebin from Vitex trifolia Enhanced Adipogenesis in 3T3-L1 Cells via the Inhibition of ERK1/2 and p38MAPK Phosphorylation by Ukiya, Motohiko, Sato, Daisuke, Kimura, Hirokazu, Koketsu, Mamoru, Phay, Nyunt, Nishina, Atsuyoshi

“…In this study, for the purpose of elucidation for antidiabetic components, we isolated and identified compounds that could become lead compounds for the…”
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CoCl2 Decreases EC-SOD Expression through Histone Deacetylation in COS7 Cells by Hattori, Shuhei, Kamiya, Tetsuro, Hara, Hirokazu, Ninomiya, Masayuki, Koketsu, Mamoru, Adachi, Tetsuo

“…Extracellular-superoxide dismutase (EC-SOD), one of the SOD isozymes, is negatively regulated under hypoxic conditions, and decreases in its expression may…”
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Synthesis of 3-Selena-1-dethiacephems and Selenazepines via Iodocyclization by Garud, Dinesh R, Koketsu, Mamoru

“…A convenient approach to synthesize novel selenium-β-lactams, 3-selena-1-dethiacephems and selenazepines, was accomplished via the regioselective…”
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pH-Triggered Drug Release Controlled by Poly(Styrene Sulfonate) Growth Hollow Mesoporous Silica Nanoparticles by Wibowo, Fajar R, Saputra, Ozi A, Lestari, Witri W, Koketsu, Mamoru, Mukti, Rino R, Martien, Ronny

“…In the current report, hollow mesoporous silica (HMS) nanoparticles were successfully prepared by means of a hard-templating method and further modified with…”
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Phenolic glycosides from young fruits of Citrullus lanatus by Ninomiya, Masayuki, Itoh, Tomohiro, Fujita, Shingo, Hashizume, Toshiharu, Koketsu, Mamoru

“…[Display omitted] •Investigation for young fruits of Citrullus lanatus.•Two new phenolic glycosides (citrulluside H and citrulluside T).•Citrulluside H and…”
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In-vitro cytotoxicity of synthesized phthalide-fused indoles and indolines against HL-60 and HepG2 cells by Sheryn, Wong, Ninomiya, Masayuki, Koketsu, Mamoru, Hasbullah, Siti Aishah

“…[Display omitted] Phthalide derivatives bearing indole or indoline moieties were successfully synthesized via eco-friendly method and were evaluated for their…”
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Isoselenocyanates: a powerful tool for the synthesis of selenium-containing heterocycles by Garud, Dinesh Ramesh, Koketsu, Mamoru, Ishihara, Hideharu

“…Selenium-containing heterocyclic compounds have been well recognized, not only because of their remarkable reactivities and chemical properties, but also…”
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