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Dive into the research topics where Michio Zembayashi is active.

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Featured researches published by Michio Zembayashi.


Journal of Organometallic Chemistry | 1973

Stereochemistry of the nickel-catalyzed cross-coupling reaction of Grignard reagents with olefinic halides: stereospecific versus nonstereospecific-stereoselective reactions

Kohei Tamao; Michio Zembayashi; Yoshihisa Kiso; Makoto Kumada

Abstract The nickel-catalyzed cross-coupling reactions of Grignard reagents with monohalo-olefins proceed stereospecifically, while with 1,2-dihaloethylenes they proceed nonstereo-specifically to form cis -olefins stereoselectively in many cases.


Bulletin of the Chemical Society of Japan | 1976

Nickel-phosphine complex-catalyzed Grignard coupling. I. Cross-coupling of alkyl, aryl, and alkenyl Grignard reagents with aryl and alkenyl halides: General scope and limitations.

Kohei Tamao; Koji Sumitani; Yoshihisa Kiso; Michio Zembayashi; Akira Fujioka; Shun-ichi Kodama; Isao Nakajima; Akio Minato; Makoto Kumada


Tetrahedron Letters | 1977

Nickel-phosphine complex-catalyzed homo coupling of aryl halides in the presence of zinc powder

Michio Zembayashi; Kohei Tamao; Jun-ichi Yoshida; Makoto Kumada


Chemistry Letters | 1976

α-ALKYLATION AND α-ARYLATION OF CARBONYL GROUPS: NICKEL-PHOSPHINE COMPLEX-CATALYZED GRIGNARD COUPLING OF vic-BROMOTRIMETHYLSILOXYALKENES

Kohei Tamao; Michio Zembayashi; Makoto Kumada


ChemInform | 1978

NICKEL-PHOSPHINE COMPLEX-CATALYZED HOMO COUPLING OF ARYL HALIDES IN THE PRESENCE OF ZINC POWDER

Michio Zembayashi; Kohei Tamao; Jun-ichi Yoshida; Makoto Kumada


Tetrahedron Letters | 1975

Nickel-catalyzed cis-trans isomerization of 1-alkenyl grignard reagents

Michio Zembayashi; Kohei Tamao; Makoto Kumada


Chemistry Letters | 1976

NICKEL-PHOSPHINE COMPLEX-CATALYZED GRIGNARD COUPLING OF β-BROMOVINYL ETHYL ETHER: A NEW TYPE OF FUNCTIONALIZED TWO-CARBON HOMOLOGATION OF GRIGNARD REAGENTS

Kohei Tamao; Michio Zembayashi; Makoto Kumada


Tetrahedron Letters | 1977

A new asymmetric grignard cross-coupling reaction via an alkyl group isomerization catalyzed by chiral phosphine-nickel complexes

Michio Zembayashi; Kohei Tamao; Tamio Hayashi; Takaya Mise; Makoto Kumada


Synthesis | 1977

Synthesis ofvic-Bromotrimethylsiloxyalkenes (α-Bromoenol Trimethylsilyl Ethers)

Michio Zembayashi; Kohei Tamao; Makoto Kumada


Synthesis | 1977

SYNTHESIS OF VIC-BROMOTRIMETHYLSILOXYALKENES (α-BROMOENOL TRIMETHYLSILYL ETHERS)

Michio Zembayashi; Kohei Tamao; Makoto Kumada

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