Search Results - "Mizutani, Tadashi"

Ring Closure Reaction of 19-Substituted Bilinones to 5-Oxaporphyrin Metal Complexes Induced by Zn2+ and Cu2+ —Application to Turn-on Red Fluorogenic Probes for Zinc Ions by Kakeya, Kazuhisa, Fukagawa, Hiroyuki, Teraoka, Akihiro, Mizutani, Tadashi

“…The reaction of 19-phenoxybilinones with Zn2+ caused ring-closure to afford the 5-oxaporphyrin zinc complex under ambient conditions. While bilinones are…”
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Bioinspired Mechanical Materials—Development of High-Toughness Ceramics through Complexation of Calcium Phosphate and Organic Polymers by Mizutani, Tadashi, Okuda, Natsuki

“…Inspired by the process of bone formation in living organisms, many studies have been conducted to develop organic–inorganic composite materials by preparing…”
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One-Pot Hybridization of Microfibrillated Cellulose and Hydroxyapatite as a Versatile Route to Eco-Friendly Mechanical Materials by Okuda, Yui, Sasaki, Ryosuke, Kido, Eiichi, Hirota, Ken, Mizutani, Tadashi

“…Hydroxyapatite was crystallized in an alkaline dispersion of mechanically fibrillated cellulose to prepare their composites with hydroxyapatite contents of…”
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Nonbrittle Nanocomposite Materials Prepared by Coprecipitation of TEMPO-Oxidized Cellulose Nanofibers and Hydroxyapatite by Okuda, Yui, Mizutani, Tadashi, Hirota, Ken, Hayashi, Takayuki, Zinno, Kazuhito

“…Organic–inorganic nanocomposites were prepared by crystallization of hydroxyapatite in an aqueous dispersion of cellulose nanofibers. The addition of aqueous…”
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Effects of Hydration on Mechanical Properties of Acylated Hydroxyapatite–Starch Composites by Okuda, Yui, Aoyama, Yasuhiro, Hirota, Ken, Mizutani, Tadashi

“…Transesterification of vinyl acetate, vinyl benzoate, and vinyl laurate with hydroxyapatite–starch composites was carried out in dimethyl sulfoxide at 25–120…”
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Enhanced toughness of hydroxyapatite-poly(ethylene terephthalate) composites by immersion in water by Okuda, Kohei, Hirota, Ken, Mizutani, Tadashi, Numamoto, Yusuke

“…Water-soluble poly(ethylene terephthalate) bearing carboxylate groups on 14-22% of its phenylene moieties were coprecipitated with calcium ion and phosphate…”
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In Situ Crystallization of Hydroxyapatite on Carboxymethyl Cellulose as a Biomimetic Approach to Biomass-Derived Composite Materials by Okuda, Yui, Shigemasa, Ryosuke, Hirota, Ken, Mizutani, Tadashi

“…Nanohydroxyapatite (HAP) was crystallized in an aqueous solution of carboxymethyl cellulose (CMC) to prepare the composites of CMC and HAP with a stable…”
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Nucleophilic Ring Opening of meso-Substituted 5‑Oxaporphyrin by Oxygen, Nitrogen, Sulfur, and Carbon Nucleophiles by Kakeya, Kazuhisa, Aozasa, Masakatsu, Mizutani, Tadashi, Hitomi, Yutaka, Kodera, Masahito

“…Nucleophilic ring opening of 23H-[21,23-didehydro-10,15,20-tris(4-methoxycarbonylphenyl)-5-oxaporphyrinato](trifluoroacetato)zinc(II) with various nucleophiles…”
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Synthesis, Reactivity, and Spectroscopic Properties of meso-Triaryl-5-oxaporphyrins by Kakeya, Kazuhisa, Nakagawa, Aya, Mizutani, Tadashi, Hitomi, Yutaka, Kodera, Masahito

“…[meso-Triaryl-21,23-didehydro-23H-5-oxa­porphyrinato](trifluoroacetato)zinc(II) was prepared by the reaction of meso-triarylbilindione with acetic anhydride…”
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Synthesis and properties of novel fluorinated subnaphthalocyanines for organic photovoltaic cells by Takao, Yuko, Masuoka, Tomoaki, Yamamoto, Koji, Mizutani, Tadashi, Matsumoto, Fukashi, Moriwaki, Kazuyuki, Hida, Koichi, Iwai, Toshiyuki, Ito, Takatoshi, Mizuno, Takumi, Ohno, Toshinobu

“…Novel fluorinated subnaphthalocyanine derivatives were newly designed and synthesized as donor materials for low molecular organic photovoltaic cells using…”
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Co-precipitation of tapioca starch and hydroxyapatite. Effects of phosphorylation of starch on mechanical properties of the composites by Okuda, Kohei, Hirota, Ken, Mizutani, Tadashi, Aoyama, Yasuhiro

“…Organic-inorganic composites were prepared by co-precipitation of tapioca starch and hydroxyapatite (HAP) with polymer-hydroxyapatite weight ratios of 70/30,…”
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Synthesis of para- or ortho-Substituted Triarylbilindiones and Tetraarylbiladienones by Coupled Oxidation of Tetraarylporphyrins by Nakamura, Ryosuke, Kakeya, Kazuhisa, Furuta, Nao, Muta, Etsuko, Nishisaka, Hiroaki, Mizutani, Tadashi

“…Coupled oxidation of [tetraarylporphyrinato]iron(III) chloride carrying substituents in the ortho or para positions was performed by allowing the iron…”
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Synthesis of Biladienone and Bilatrienone by Coupled Oxidation of Tetraarylporphyrins by Asano, Naomi, Uemura, Sayo, Kinugawa, Tomoya, Akasaka, Hiroaki, Mizutani, Tadashi

“…Tetraarylbiladien-ab-ones bearing various substituents (R) in the para position of the phenyl groups were preprared by coupled oxidation of tetraarylporphyrin…”
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Multifunctional and Chiral Porphyrins:  Model Receptors for Chiral Recognition by Ogoshi, Hisanobu, Mizutani, Tadashi

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Water Accessibility to the Binding Cleft as a Major Switching Factor from Entropy-Driven to Enthalpy-Driven Binding of an Alkyl Group by Synthetic Receptors by Matsumoto, Sayaka, Iwamoto, Hiroya, Mizutani, Tadashi

“…Free energy, enthalpy, and entropy changes in the binding of alkyl pyridines to water‐soluble zinc porphyrin receptors with varying accessibility of water to…”
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Porphyrin Receptors for Amines, Amino Acids, and Oligopeptides in Water by Mizutani, Tadashi, Wada, Kenji, Kitagawa, Susumu

“…A series of water-soluble porphyrin receptors having a hydrophobic binding pocket, a Lewis acidic site (Zn), and an electrostatic recognition site (COO-…”
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Synthesis and reactivity of 10,15,20-triaryl-5-oxaporphyrin copper complexes by Shimada, Kazuki, Mizutani, Tadashi

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Functionalized DMAP catalysts for regioselective acetylation of carbohydrates by Kurahashi, Takuya, Mizutani, Tadashi, Yoshida, Jun-ichi

“…New functionalized DMAPs having carboxylic acid functionality are developed for regioselective acylation of carbohydrates. In these catalysts, DMAP (4-( N,…”
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Solvatochromism of triarylbilindiones: far-red-absorbing bilindiones formed in aprotic amides and amines by Furuta, Nao, Mizutani, Tadashi

“…Solvatochromism of triarylbilindiones was investigated to shed light on the mechanism and interactions involved in the phytochrome P r -P fr isomerisation…”
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Silicic Acid Polymerization Catalyzed by Amines and Polyamines by Mizutani, Tadashi, Nagase, Hisato, Fujiwara, Naohiko, Ogoshi, Hisanobu

“…Amines, particularly polyamines, catalyzed the polycondensation of silicic acid in water. The resultant gel contained these polyamines with a N/Si molar ratio…”
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