Search Results - "ICHIHARA, Junko"

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    Solvent-free epoxidation using a tungstic acid catalyst on fluoroapatite by Ichihara, Junko

    Published in Tetrahedron letters (01-01-2001)
    “…Tungstic acid dispersed on fluoroapatite solid phase (H 2WO 4/FAp) catalyzed the epoxidation of cycloalkenes and allylic alcohols with a solid urea–hydrogen…”
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    Journal Article
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    Vanadomolybdophosphoric acid/fluorapatite solid-phase system for aerobic oxidative dehydrogenation by Iteya, Katsuma, Ichihara, Junko, Sasaki, Yoh, Itoh, Seishiro

    Published in Catalysis today (15-02-2006)
    “…We developed a solid-phase-oxidation-system using FAp disperse phase and vanadomolybdophosphoric acid (H 3+ n PV n Mo 12− n O 40: PV n) catalysts with…”
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    Journal Article Conference Proceeding
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    Keggin-type polyacid clusters on apatite: characteristic catalytic activities in solvent-free oxidation by Ichihara, Junko, Yamaguchi, Shunro, Nomoto, Takuya, Nakayama, Hirokazu, Iteya, Katsuma, Naitoh, Nozomu, Sasaki, Yoh

    Published in Tetrahedron letters (11-11-2002)
    “…We found that Keggin-type phosphometalates are effective catalysts for solvent-free oxidation with urea–H 2O 2 by dispersing on fluorapatite solid phase. In…”
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    Journal Article
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    Participation of new active species in epoxidation with cetylpyridinium dodecatungstate/FAp/urea–H 2O 2 system by Ichihara, Junko, Sasaki, Yoh

    Published in Catalysis today (2006)
    “…We have developed an efficient catalytic solid-phase system for epoxidations that uses cetylpyridinium dodecatungstate ((CetylPy) 10[H 2W 12O 42])…”
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    Journal Article
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    Tetrabutylammonium phosphomolybdate on fluorapatite: an efficient solid catalyst for solvent-free selective oxidation of sulfides by Sasaki, Yoh, Ushimaru, Kyohei, Iteya, Katsuma, Nakayama, Hirokazu, Yamaguchi, Shunro, Ichihara, Junko

    Published in Tetrahedron letters (20-12-2004)
    “…[Display omitted] A new synthetic method of sulfoxides and sulfones using solvent-free oxidations of sulfides with urea–hydrogen peroxide complex (urea–H 2O 2)…”
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    Journal Article
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    Alkylamines-intercalated α-zirconium phosphate as latent thermal anionic initiators by Shimomura, Osamu, Maeno, Keisuke, Ohtaka, Atsushi, Yamaguchi, Shunro, Ichihara, Junko, Sakamoto, Kiyoko, Nomura, Ryôki

    “…ABSTRACT The reaction of glycidyl phenyl ether (GPE) with 1‐aminoalkanes‐intercalated α‐zirconium phosphate (α‐ZrP·1‐aminoalkane): 1‐aminoalkanes…”
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    Journal Article
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    New approach to environmentally benign epoxidation: the solid-phase-system using urea–H 2O 2 and recyclable dodecatungstate on apatite by Ichihara, Junko, Iteya, Katsuma, Kambara, Akihiro, Sasaki, Yoh

    Published in Catalysis today (2003)
    “…On the basis of new concept using a solid disperse phase we have developed an efficient catalytic solid-phase-system for epoxidations of alkenes using…”
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    Journal Article
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    Alkylamines-intercalated [alpha]-zirconium phosphate as latent thermal anionic initiators by Shimomura, Osamu, Maeno, Keisuke, Ohtaka, Atsushi, Yamaguchi, Shunro, Ichihara, Junko, Sakamoto, Kiyoko, Nomura, Ryôki

    “…The reaction of glycidyl phenyl ether (GPE) with 1-aminoalkanes-intercalated [alpha]-zirconium phosphate ([alpha]-ZrP·1-aminoalkane): 1-aminoalkanes…”
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    Journal Article
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    Shape-controlled synthesis of hydroxyapatite from α-tricalcium bis(orthophosphate) in organic-aqueous binary systems by SAKAMOTO, Kiyoko, YAMAGUCHI, Shunro, NAKAHIRA, Atsushi, KANENO, Motoki, OKAZAKI, Masayuki, ICHIHARA, Junko, TSUNAWAKI, Yoshiaki, ELLIOTT, James C

    Published in Journal of materials science (01-03-2002)
    “…Hydrolyses of α-tricalcium bis(orthophosphate) Ca3(PO4)2 (α-TCP) were carried out in a heterogeneous solvent system (hydrophobic organic solvent-water). The…”
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    Journal Article
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    Fluoride ion-promoted reaction of β-tricalcium phosphate to fluoridated hydroxyapatite by Sakamoto, Kiyoko, Nakahira, Atsushi, Okazaki, Masayuki, Yamaguchi, Shunro, Kaneno, Motoki, Ichihara, Junko

    Published in Journal of fluorine chemistry (2001)
    “…Solvothermal reaction of β-tricalcium phosphate (β-TCP) [Ca 3(PO 4) 2] with ammonium fluoride in water-1-octanol biphase proceeds to afford fluoridated…”
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    Journal Article
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