Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Kei-ichiro Fukushima"'
Autor:
Kei-ichiro Fukushima, Toshifumi Dohi, Naoko Takenaga, Hiromichi Fujioka, Tomofumi Nakae, Teruyoshi Uchiyama, Yasuyuki Kita
Publikováno v:
Synthesis. 44:1183-1189
We have found that in aqueous oxidations the μ-oxo-bridged hypervalent iodine trifluoroacetate reagent 1 {[(PhI(OCOCF3)]2O} is generally more reactive than the corresponding monomeric reagent, especially toward phenolic substrates. μ-Oxo-bridged 1
Autor:
Kei-ichiro Fukushima, Yasuyuki Kita, Koji Morimoto, Naoko Takenaga, Toshifumi Dohi, Tohru Kamitanaka
Publikováno v:
ChemInform. 43
An adamantane-derived hypervalent iodine reagent is an efficient oxidant for the conversion of primary and secondary alcohols.
Autor:
Kei-ichiro Fukushima, Naoko Takenaga, Hiromichi Fujioka, Yasuyuki Kita, Teruyoshi Uchiyama, Tomofumi Nakae, Toshifumi Dohi
Publikováno v:
ChemInform. 43
We have found that in aqueous oxidations the μ-oxo-bridged hypervalent iodine trifluoroacetate reagent 1 {[(PhI(OCOCF3)]2O} is generally more reactive than the corresponding monomeric reagent, especially toward phenolic substrates. μ-Oxo-bridged 1
Publikováno v:
ChemInform. 42
The montmorillonite activates quinone monoacetal to selectively react with aromatic nucleophiles in an unprecedented substitution reaction.
Publikováno v:
Angewandte Chemie (International ed. in English). 50(27)
Autor:
Yasuyuki Kita, Kei-ichiro Fukushima, Motoo Shiro, Naoko Takenaga, Hiromichi Fujioka, Daishi Kato, Toshifumi Dohi, Teruyoshi Uchiyama
Publikováno v:
ChemInform. 42
Oxidative spirocyclization of a variety of amides is achieved using a novel bis(iodoarene) precatalyst and peracetic acid as environment-friendly reoxidant.
Autor:
Koji Morimoto, Yasuyuki Kita, Tohru Kamitanaka, Toshifumi Dohi, Kei-ichiro Fukushima, Naoko Takenaga
Publikováno v:
Green Chemistry. 14:1493
Using a recyclable hypervalent iodine reagent 1, the authors have constructed versatile and green methods for the hypervalent iodine and nitroxyl radical-mediated selective oxidation of alcohols to aldehydes and ketones. The recyclable reagent 1 havi
Autor:
Naoko Takenaga, Toshifumi Dohi, Kei-ichiro Fukushima, Hiromichi Fujioka, Yasuyuki Kita, Teruyoshi Uchiyama, S. Motoo, D. Kato
Publikováno v:
Synfacts. 2010:1427-1427
Autor:
Teruyoshi Uchiyama, Hiromichi Fujioka, Daishi Kato, Shiro Motoo, Yasuyuki Kita, Kei-ichiro Fukushima, Naoko Takenaga, Toshifumi Dohi
Publikováno v:
Chemical Communications. 46:7697
The in situ generated μ-oxo-bridged reactive hypervalent iodine(iii) species 1 or their analogues are introduced as more efficient organocatalysts for the catalytic strategy for realizing practical and greener oxidations.