Zobrazeno 1 - 10
of 151
pro vyhledávání: '"Kiyoharu Nishide"'
Autor:
Yoshiko Chihara, Kayo Ohhashi, Kiyoharu Nishide, Saori Tanida, Takashi Shigeta, Kenji Arimitsu, Hitomi Uchimoto, Miki Ikeda, Ikuo Kawasaki, Masayuki Yamashita
Publikováno v:
CHEMICAL & PHARMACEUTICAL BULLETIN. 65:389-395
We synthesize optically active (R)-terbutaline 2, which is an anti-asthmatic drug, through recyclable catalytic asymmetric transfer hydrogenation (RCATH). Various chloroketones 4 were prepared and RCATH was performed on them. The products exhibit mod
Autor:
Hitomi Uchimoto, Asami Tarao, Kentaro Yamaguchi, Kenji Arimitsu, Kiyoharu Nishide, Ikuo Kawasaki, Aya Niki, Shinsuke Komagawa
Publikováno v:
ChemistrySelect. 1:189-194
Oxidation of organo-selenium compounds (I) with MCPBA generates bisselenoxide intermediates which undergo elimination to give products (II) with high regio- and E/Z-selectivity.
Autor:
Hitomi, Uchimoto, Miki, Ikeda, Saori, Tanida, Kayo, Ohhashi, Yoshiko, Chihara, Takashi, Shigeta, Kenji, Arimitsu, Masayuki, Yamashita, Kiyoharu, Nishide, Ikuo, Kawasaki
Publikováno v:
Chemicalpharmaceutical bulletin. 65(4)
We synthesize optically active (R)-terbutaline 2, which is an anti-asthmatic drug, through recyclable catalytic asymmetric transfer hydrogenation (RCATH). Various chloroketones 4 were prepared and RCATH was performed on them. The products exhibit mod
Autor:
Kentaro Yamaguchi, Kenji Arimitsu, Asami Tarao, Aya Niki, Ikuo Kawasaki, Hitomi Uchimoto, Shinsuke Komagawa, Kiyoharu Nishide
Publikováno v:
ChemInform. 47
Oxidation of organo-selenium compounds (I) with MCPBA generates bisselenoxide intermediates which undergo elimination to give products (II) with high regio- and E/Z-selectivity.
Autor:
Yukiko Akai, Takahiro Ohishi, Yoshitaka Ohishi, Kumiko Ando, Ikuo Kawasaki, Kiyoharu Nishide, Masayuki Yamashita, Yoko Sakata, Shunsaku Ohta, Azusa Ito, Yukako Tabuchi
Publikováno v:
Chemical and Pharmaceutical Bulletin. 60:1461-1467
A series of benzo[b]furan derivatives having a five-membered heterocyclic substituent at the 2-position were prepared from 2-(1-chloro-2-formylvinyl)benzo[b]furans (2) and 2-(4-alkylcarbamoylbuta-1,3-dienyl)benzo[b]furans. These 2-heterocyclic benzo[
Autor:
Masao Koida, Ikuo Kawasaki, Yuko Ando, Takahiro Ohishi, Hidemi Kanemura, Yoshitaka Ohishi, Ryo Fukuyama, Hiromichi Nakamuta, Kiyoharu Nishide, Yukako Tabuchi, Shunsaku Ohta
Publikováno v:
Bioorganic & Medicinal Chemistry
Graphical abstract Preparation of novel (Z)-4-ylidenebenzo[b]furo[3,2-d][1,3]oxazines and their biological activities such as anti-osteoclastic bone resorption activity, antagonistic activity of the cysLT1 receptor and growth inhibitory activity for
Autor:
Asami Tarao, Masatoshi Kawahata, Eri Sugimoto, Ikuo Kawasaki, Kenji Arimitsu, Yukako Tabuchi, Kentaro Yamaguchi, Kiyoharu Nishide, Hiroyuki Kimura, Hitomi Uchimoto, Miki Ikeda
Publikováno v:
Organicbiomolecular chemistry. 13(21)
The oxidation of (Z)-1,2-bis(arylseleno)-1-alkenes is known to afford alkynyl selenoxides via a unique selenoxide anti-elimination mechanism; however, to date, there have been no mechanistic studies of this reaction. During our studies of this transf
Autor:
Shunsaku Ohta, Hiroyuki Yasui, Hitomi Uchimoto, Tomoko Tsuji, Kiyoharu Nishide, Kenji Arimitsu, Ikuo Kawasaki, Masayuki Yamashita
Publikováno v:
Chemicalpharmaceutical bulletin. 63(3)
Reuse of chiral ruthenium catalyst in catalytic asymmetric transfer hydrogenation (CATH) has attracted attention from economic and environmental viewpoints, and reactions using ionic liquids (ILs) as solvent are recognized as one of the most useful m
Autor:
Takahiro Katoh, Manabu Node, Shogo Ichihashi, Chie Noguchi, Kiyoharu Nishide, Tetsuya Kajimoto, Hiroyuki Kimura, Toshio Fujiwara
Publikováno v:
Tetrahedron: Asymmetry. 17:2943-2951
Enantiomerically pure allene-1,3-dicarboxylates were easily synthesized by using epimerization–crystallization of dissymmetric allene compounds, which were prepared from acetone-1,3-dicarboxylates and naturally abundant chiral alcohols, that is, (
Autor:
Toshio Fujiwara, Hiroyuki Kimura, Takahiro Katoh, Kiyoharu Nishide, Manabu Node, Tetsuya Kajimoto
Publikováno v:
Chemical and Pharmaceutical Bulletin. 54:399-402
(-)-Epibatidine, an excellent candidate of non-opioidal anesthesia, was formally synthesized in short steps from di-(l)-menthyl (R)-allene-1,3-dicarboxylate that was facilely prepared as a single isomer by means of crystallization-induced asymmetric