Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Yoshio Katsuro"'
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Asymmetric hydrosilylation of olefins catalyzed by a chiral ferrocenylphosphine-palladium complex. Asymmetric synthesis of optically active alcohols and bromides from olefins
Autor: Yoshio Katsuro, Kohei Tamao, Ichiro Nakae, Makoto Kumada, Tamio Hayashi
Publikováno v: Tetrahedron Letters. 21:1871-1874
Optically active norbornyl and 1-phenylethyl alcohols and bromides were obtained, respectively, from norbornyl- and 1-phenylethylpentafluorosilicates which were prepared by asymmetric hydrosilylation of norbornene and styrene with trichlorosilane cat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dbc162b95e192f4008e4124e5202812a
https://doi.org/10.1016/s0040-4039(00)92802-8
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4
Nickel-catalyzed cross-coupling of aryl phosphates with grignard and organoaluminium reagents. Synthesis of alkyl-, alkenyl-, and arylbenzenes from phenols
Autor: Makoto Kumada, Yoshio Katsuro, T. Hayashi, Yasuo Okamoto
Publikováno v: Tetrahedron Letters. 22:4449-4452
Aryl phosphates derived from phenols were converted into alkyl-, alkenyl-, and aryl- benzenes in high yields by cross-coupling with various kinds of Grignard and organoaluminium reagents in the presence of nickel (II) catalysts.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62d5e1bd7b60985baa494f739b4f35f7
https://doi.org/10.1016/s0040-4039(01)82980-4
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5
Nickel-catalyzed cross-coupling of silyl enol ethers with grignard reagents. Regio- and stereocontrolled synthesis of olefins
Autor: Yoshio Katsuro, Tamio Hayashi, Makoto Kumada
Publikováno v: Tetrahedron Letters. 21:3915-3918
The substitution of the siloxy group in silyl enol ethers with Grignard reagents to form olefins is accomplished by use of nickel acetylacetonate or phosphine-nickel complexes as catalysts, the stereo- and regiochemistry of coupled olefins depending
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa0d426b1a5e8bf58cc9393b1265e353
https://doi.org/10.1016/0040-4039(80)80215-2
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7
Asymmetric Cross-coupling of Organozinc Reagents with Alkenyl Bromides Catalyzed by a Chiral Ferrocenylphosphine-Palladium Complex
Autor: Tamio Hayashi, Makoto Kumada, Yoshio Katsuro, Toshiya Hagihara
Publikováno v: Bulletin of the Chemical Society of Japan. 56:363-364
Organozinc reagents, prepared from secondary alkyl Grignard reagents (ArRCHMgCl: Ar=Ph, p-Tol; R=Me, Et) and excess zinc halides, were allowed to react with vinyl bromide and (E)-β-bromostyrene in the presence of dichloro[(R)-N,N-dimethyl-1-[(S)-2-(
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::93afef1705cfaf985f1a91437f60d94e
https://doi.org/10.1246/bcsj.56.363
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