Výsledky vyhledávání - "Michihiro Ishimori"

Asymmetric Cyclization of Propylene Chlorohydrins Catalyzed by an Optically Active Cobalt(salen) Type Complex

Autor: Teiji Tsuruta, Michihiro Ishimori, Tsutomu Takeichi

Publikováno v: Bulletin of the Chemical Society of Japan. 52:2614-2618

By using an optically active cobalt complex, N,N′-disalicylidene-(1R,2R)-1,2-cyclohexanediaminatocobalt(II), as a catalyst, optically active methyloxirane was synthesized by the asymmetric elimination of hydrogen chloride with a base from racemic p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2bbe95260eef9e37b71d23363129752
https://doi.org/10.1246/bcsj.52.2614

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1H- and13C-NMR Studies of Polymerization of 2,3-Dideuteromethyloxirane with Zinc Dialkoxide

Autor: Michihiro Ishimori, Takashige Nakada, Teiji Tsuruta, Kenji Tsukigawa

Publikováno v: Journal of Macromolecular Science: Part A - Chemistry. 11:379-390

The deuterium-decoupled 100 MHz 1H-NMR spectra of 2,3-dideuteromethyloxirane and its polymer prepared with a lattice-disordered zinc dialkoxide were analyzed with consideration of the deuterium isotope effects on proton chemical shifts. The results o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3960bd8f34e436bc98029f28d4c0e248
https://doi.org/10.1080/00222337708061274

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A Study of the Interaction of Diethylcadmium with Lewis Bases as Solvents

Autor: Osami Nakasugi, Michihiro Ishimori, Teiji Tsuruta

Publikováno v: Bulletin of the Chemical Society of Japan. 47:871-875

The infrared spectra of diethylcadmium(CdEt2) in a variety of different solvents were measured. The affinity of CdEt2 toward oxygen and sulfur bases was studied by infrared frequency shifts of CdEt2. Linear relationships were observed for the plots o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb85a7a43d6b29374f2642ef98ecdcb2
https://doi.org/10.1246/bcsj.47.871

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[Untitled]

Autor: Michihiro Ishimori, Yasuyuki Tezuka, Teiji Tsuruta

Publikováno v: Die Makromolekulare Chemie. 184:895-906

Chloromethyloxirane (CMO) undergoes an asymmetric selective oligomerization with a binary catalyst system comprised of triethylaluminium and an optically active cobalt complex, N,N'-disalicylidene-(1 R)-1,2-cyclohexanediyldiaminatocobalt(II). A serie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1eaf2cd2b18bd0e902e3681afd076eb2
https://doi.org/10.1002/macp.1983.021840501

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Synthesis of optically active cobalt(salen) type complexes and their asymmetric reactivity toward propylene oxide

Autor: Teiji Tsuruta, Haruhiko Aoi, Sadao Yoshikawa, Michihiro Ishimori

Publikováno v: Journal of Organometallic Chemistry. 85:241-248

An optically active Co(I)(salen) type complex, lithium N,N′-bis(salicylaldehyde)-1(R), 2(R)-1,2-trans-cyclohexanediiminatocobalt(I), was prepared by reducing the CoII complex, N,N′-bis(salicylaldehyde)-1(R),2(R)-1,2-trans-cyclohexanediiminatocoba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db17844ed2238438207b8f643728193d
https://doi.org/10.1016/s0022-328x(00)80705-6

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Asymmetric cyclizations of some chlorohydrins catalyzed by optically active cobalt (salen) type complexes

Autor: Teiji Ttsuruta, Tsutomu Takeichi, Michihiro Ishimori, Motoji Arihara

Publikováno v: Tetrahedron. 36:3391-3398

Optically active chloromethyloxirane was obtained from 1,3-dichloro-2-propanol by a process of asymmetric synthesis. The highest enantiomenc excess (e. e. ) of chloromethyloxirane that could be obtained was 67%, using Co(II) (3,5-Cl,Cl-sal)2(S-CHXDA)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5cd48bf5e5034177bf4b4ad50ba20b28
https://doi.org/10.1016/0040-4020(80)80189-x

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