M
Motoi Kawatsura
Researcher at Nihon University
Publications - 181
Citations - 4343
Motoi Kawatsura is an academic researcher from Nihon University. The author has contributed to research in topics: Catalysis & Allylic rearrangement. The author has an hindex of 32, co-authored 181 publications receiving 4023 citations. Previous affiliations of Motoi Kawatsura include Kyoto Pharmaceutical University & Yale University.
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Room-Temperature Palladium-Catalyzed Amination of Aryl Bromides and Chlorides and Extended Scope of Aromatic C−N Bond Formation with a Commercial Ligand
TL;DR: The reactions of aryl bromides with amines occurs at room temperature when using Pd(0) and P(t-Bu)(3) in a 1:1 ratio, and the reactions ofAryl chlorides occur atRoom temperature or 70 degrees C.
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Palladium-catalyzed hydroamination of 1,3-dienes: a colorimetric assay and enantioselective additions.
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Ruthenium-catalyzed anti-Markovnikov hydroamination of vinylarenes.
TL;DR: Preliminary mechanistic studies showed that the reaction occurred by direct, irreversible, anti-Markovnikov hydroamination and that the mechanism of the ruthenium-Catalyzed hydroamination is likely to be distinct from that of the recently reported rhodium-catalyzed reaction.
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A general nickel-catalyzed hydroamination of 1,3-dienes by alkylamines: catalyst selection, scope, and mechanism.
TL;DR: It is found that nickel and some palladium complexes in the presence or absence of acid catalyze the exchange of the amino groups of allylic amines with free amines, which influences the enantioselectivity of diene hydroaminations.
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Increased Enantioselectivity and Remarkable Acceleration of Lipase-Catalyzed Transesterification by Using an Imidazolium PEG–Alkyl Sulfate Ionic Liquid
Toshiyuki Itoh,Yuichi Matsushita,Yoshikazu Abe,Shi-hui Han,Shohei Wada,Shuichi Hayase,Motoi Kawatsura,Shigeomi Takai,Minoru Morimoto,Yoshihiko Hirose +9 more
TL;DR: MALDI-TOF mass spectrometry experiments of the ionic-liquid-coated lipase PS suggest that ionic liquid binds with lipase protein, and it reached approximately 500- to 1000-fold acceleration for some substrates with excellent enantioselectivity.