S
Shin-ichi Matsuoka
Researcher at Nagoya Institute of Technology
Publications - 64
Citations - 981
Shin-ichi Matsuoka is an academic researcher from Nagoya Institute of Technology. The author has contributed to research in topics: Polymerization & Carbene. The author has an hindex of 16, co-authored 59 publications receiving 837 citations. Previous affiliations of Shin-ichi Matsuoka include Tokyo Institute of Technology.
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Journal ArticleDOI
Organocatalytic Tail-to-Tail Dimerization of Olefin: Umpolung of Methyl Methacrylate Mediated by N-Heterocyclic Carbene
Shin-ichi Matsuoka,Yoshiya Ota,Atsushi Washio,Akiho Katada,Kenji Ichioka,Koji Takagi,Masato Suzuki +6 more
TL;DR: Highly selective tail-to-tail dimerization of methyl methacrylate has been realized by an N-heterocyclic carbene catalyst, giving dimethyl 2,5-dimethyl-2-hexenedioate with an E/Z ratio of 95:5 in 86% isolated yield.
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N-Heterocyclic Carbene Initiated Anionic Polymerization of (E,E)-Methyl Sorbate and Subsequent Ring-Closing to Cyclic Poly(alkyl sorbate).
TL;DR: From the matrix assisted laser desorption/ionization (MALDI-TOF) mass spectra of poly(MS) and the hydrogenated analogue, ring-closing occurred by nucleophilic attack of the anionic propagating center into the adjacent carbon of the α-terminal imidazolimium group to afford cyclic poly( MS).
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Experimental Mechanistic Studies of the Tail-to-Tail Dimerization of Methyl Methacrylate Catalyzed by N-Heterocyclic Carbene
TL;DR: The representative tail-to-tail dimerization of methyl methacrylate (MMA) has been intensively investigated, leading to the following conclusions: The catalysis involves the deoxy-Breslow intermediate, which is quite stable and remains active after the catalysis.
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Cooperative N-heterocyclic carbene/Brønsted acid catalysis for the tail-to-tail (co)dimerization of methacrylonitrile.
TL;DR: The stoichiometric reactions in the presence and absence of an alcohol suggest that the alcohol additives play a role in promoting the intermolecular proton transfers from the deoxy-Breslow intermediate to the regenerated NHC in the second half of the catalytic cycle.
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Oxa-Michael addition polymerization of acrylates catalyzed by N-heterocyclic carbenes
TL;DR: N-heterocyclic carbenes catalyze the oxa-Michael addition polymerization of hydroxyl functionalized acrylate monomers to produce poly(ester-ether)s, which include new polymers having alicyclic, alkene, and alkyne groups in the main chain.