Zobrazeno 1 - 10
of 939
pro vyhledávání: '"KOICHIRO OSHIMA"'
Autor:
Chen LIU, Tomoki UCHIYAMA, Jyunichi ISHIHARA, Kentaro YAMAMOTO, Toshiki WATANABE, Hideto IMAI, Koichiro OSHIMA, Shigeki SAKURAI, Minoru INABA, Yoshiharu UCHIMOTO
Publikováno v:
Electrochemistry, Vol 89, Iss 1, Pp 31-35 (2021)
This study provides evidence of the enhancement of the oxygen reduction reaction (ORR) activity of Pt/C and Pd-core Pt-shell catalysts upon ionic liquid modification. Under high potential at 1.15 V (vs. reversible hydrogen electrode), the lower cover
Externí odkaz:
https://doaj.org/article/e770cd9af7e741df8d50a35c7f2f6dd5
Autor:
Yoshiharu Uchimoto, Shigeki Sakurai, Syota Katayama, Noriyuki Nagata, Tomoki Uchiyama, Chen Liu, Xiao Gao, Koichiro Oshima, Toshiki Watanabe, Kentaro Yamamoto, Kazuhiko Shinohara, Seiho Sugawara, Hideto Imai, Masazumi Arao
Publikováno v:
ACS Applied Energy Materials. 4:1143-1149
The influence of specific adsorption of the sulfo group in the perfluorosulfonic acid ionomer, Nafion, on the oxygen reduction reaction (ORR) of a carbon-supported Pt/C catalyst using a thin-film r...
Autor:
Minoru Inaba, Kentaro Yamamoto, Koichiro Oshima, Jyunichi Ishihara, Tomoki Uchiyama, Yoshiharu Uchimoto, Shigeki Sakurai, Hideto Imai, Toshiki Watanabe, Chen Liu
Publikováno v:
Electrochemistry, Vol 89, Iss 1, Pp 31-35 (2021)
This study provides evidence of the enhancement of the oxygen reduction reaction (ORR) activity of Pt/C and Pd-core Pt-shell catalysts upon ionic liquid modification. Under high potential at 1.15 V (vs. reversible hydrogen electrode), the lower cover
Autor:
Tomoki Uchiyama, Chen Liu, Xiao Gao, Kentaro Yamamoto, Seiho Sugawara, Hideto Imai, Koichiro Oshima, Shigeki Sakurai, Masashi Matsumoto, Kazuhiko Shinohara, Toshiki Watanabe, Yoshiharu Uchimoto
Publikováno v:
ACS Applied Energy Materials. 4:810-818
The oxygen reduction reaction (ORR) activity and the coverage of oxide species over a Pd core–Pt shell catalyst on carbon support (Pt/Pd/C) with various Pd core sizes (2.3, 4.3, and 8.0 nm) were in...
Publikováno v:
Organometallics. 32:2870-2873
Cyclic alkenylborates have been synthesized regioselectively via a palladium-catalyzed regioselective silaboration of terminal alkynes with ClMe2Si–B(pin) followed by basic hydrolysis. The cyclic borates undergo cross coupling with 4-iodoanisole in
Autor:
Suguru Yoshida, Koichiro Oshima, Hideki Yorimitsu, Kei Murakami, Hiroshi Matsubara, Junichi Imoto
Publikováno v:
Chemistry - A European Journal. 19:5625-5630
The first examples of metal-catalyzed extended Pummerer reactions through the activation of sulfoxides are described. The copper-catalyzed reactions of ketene dithioacetal monoxides with alkynyl sulfides and ynamides provided a wide variety of γ,γ-
Publikováno v:
Journal of the American Chemical Society. 134:3699-3702
Pyridine undergoes addition of pinacolborane at 50 °C in the presence of a rhodium catalyst, giving N-boryl-1,2-dihydropyridine in a high yield. The selective 1,2-hydroboration also takes place in the reactions of substituted pyridines. In the react
Publikováno v:
ResearcherID
Palladium-catalyzed arylative cyclization of propargyl-substituted malonate esters with aryl halides offers a stereoselective approach to alkylidenecyclopropanes. The reaction proceeds by an anti-carbopalladation pathway, which guarantees the exclusi
Publikováno v:
Journal of the American Chemical Society. 133:7324-7327
The addition of silylboronic esters to pyridine takes place in toluene at 50 °C in the presence of a palladium catalyst to give N-boryl-4-silyl-1,4-dihydropyridines in high yield. The regioselective 1,4-silaboration also proceeds in the reaction of
Publikováno v:
Angewandte Chemie. 123:3352-3356