Search Results - "Hanawa, Hideo"

Bis-zirconium and bis-hafnium catalysts for the strong activation of carbonyl substrates by Hanawa, Hideo, Kii, Satoshi, Asao, Naoki, Maruoka, Keiji

“…(3,3′-Di- t-butyl-5,5′-dimethylbenzophenone-2,2′-dioxy)bis(triisopropoxyzirconium) and its hafnium derivative can be successfully utilized in organic synthesis…”
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Double coordination and activation ability of methylalumoxane (MAO) for hetero functionality: Pivotal role as polymerization cocatalyst by Hanawa, Hideo, Abe, Noriko, Maruoka, Keiji

“…A new insight in the crucial role of methylalumoxane (MAO) as polymerization cocatalyst has been demonstrated by using typical carbonyl reduction and…”
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Double coordination ability of bis(dimethylaluminum) sulfate toward carbonyl substrates by Hanawa, Hideo, Maekawara, Naomi, Maruoka, Keiji

“…New insight into the crucial role of bis(dimethylaluminum) sulfate as bidentate Lewis acid has been demonstrated using typical carbonyl allylation and…”
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Simultaneous coordination and double activation phenomena of carbonyl and epoxy oxygens by bis-titanium reagent as a bidentate Lewis acid catalyst by Asao, Naoki, Kii, Satoshi, Hanawa, Hideo, Maruoka, Keiji

“…The new bidentate Ti catalyst, (anthraquinone-1,8-dioxy)bis(triisopropoxy-titanium) ( 1) can be successfully designed and utilized for the simultaneous…”
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Bis(((S)-binaphthoxy)(isopropoxy)titanium) Oxide as a μ-Oxo-Type Chiral Lewis Acid:  Application to Catalytic Asymmetric Allylation of Aldehydes by Hanawa, Hideo, Hashimoto, Takuya, Maruoka, Keiji

“…A new, chiral bis-Ti(IV) oxide of type 1 was successfully designed and can be utilized for strong activation of aldehyde carbonyls, thereby allowing a new…”
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Catalytic Asymmetric Allylation of Aldehydes and Related Reactions with Bis(((S)-binaphthoxy)(isopropoxy)titanium) Oxide as a μ-Oxo-Type Chiral Lewis Acid by Hanawa, Hideo, Uraguchi, Daisuke, Konishi, Shunsuke, Hashimoto, Takuya, Maruoka, Keiji

“…A new, chiral bis‐TiIV oxide of type 3 has been designed and can be utilized for strong activation of aldehyde carbonyls, thereby allowing a new catalytic…”
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New Chiral Bis-Titanium(IV) Catalyst with Dibenzofuran Spacer for Catalytic Asymmetric Allylation of Aldehydes and Aryl Ketones by Hanawa, Hideo, Kii, Satoshi, Maruoka, Keiji

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Catalytic asymmetric methallylation and propargylation of aldehydes with bis((( S)-binaphthoxy)(isopropoxy)titanium) oxide by Konishi, Shunsuke, Hanawa, Hideo, Maruoka, Keiji

“…New and highly efficient enantioselective methallylation and propargylation of achiral aldehydes with methallyltributyltin and allenyltributyltin,…”
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Corrigendum to “Bis-zirconium and bis-hafnium catalysts for the strong activation of carbonyl substrates”: [Tetrahedron Lett. 41 (2000) 5543–5546] by Hanawa, Hideo, Kii, Satoshi, Asao, Naoki, Maruoka, Keiji

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Highly efficient alkylation of epoxides with R3Al/H2O systems based on the double activation of epoxy oxygens by Abe, Noriko, Hanawa, Hideo, Maruoka, Keiji, Sasaki, Minoru, Miyashita, Masaaki

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Highly efficient alkylation of epoxides with R 3Al/H 2O systems based on the double activation of epoxy oxygens by Abe, Noriko, Hanawa, Hideo, Maruoka, Keiji, Sasaki, Minoru, Miyashita, Masaaki

“…Alkylation of epoxides can be effected with trialkylaluminum/water system, which is much superior to the parent trialkylaluminum. Bidentate…”
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