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Yoko Imamura

Tohoku University

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Publication

Featured researches published by Yoko Imamura.

Tetrahedron Letters | 1981

Enantioselective synthesis of natural mesembrine using (D)-mannitol as a chiral template, a model study for the enantioselective synthesis of the amaryllidaceae alkaloids

Seiichi Takano; Yoko Imamura; Kunio Ogasawara

Abstract Enantioselective synthesis of (−)-mesembrine(1) has been achieved using (D)-mannitol with the intention of developing the enantioselective synthesis of the Amaryllidaceae alkaloids.

Journal of the American Ceramic Society | 1987

Surface Characterization of Zirconia After Reaction with Water

Masahiro Kagawa; Mamoru Omori; Yasuihiko Syono; Yoko Imamura; Shinnosuke Usui

Heterocycles | 1981

Chiral Route to Some Alkaloids through Asymmetric Iodolactonization

Seiichi Takano; Chikara Murakata; Yoko Imamura; Nobuhiko Tamura; Kunio Ogasawara

Heterocycles | 1982

A Synthesis of Withasomnine from 4-Phenylpyrazole

Seiichi Takano; Yoko Imamura; Kunio Ogasawara

Journal of Materials Science Letters | 1984

Distribution of ZrO2 and Al2O3 in ultrafine ZrO2-Al2O3 powders formed by the spray-ICP technique

Masahiro Kagawa; Yoko Imamura; Shinnosuke Usui; Yasuhiko Syono

Journal of the American Ceramic Society | 1986

Surface Characterization of Ultrafine ZrO2‐SiO2 Powders by Electrophoretic Mobility Measurements

Masahiro Kagawa; Yasuhiko Syono; Yoko Imamura; Shinnosuke Usui

Chemistry Letters | 1981

Another synthesis of (.+-.)-mesembrine using a symmetric starting material.

Seiichi Takano; Yoko Imamura; Kunio Ogasawara

ChemInform | 1982

ENANTIOSELECTIVE SYNTHESIS OF NATURAL MESEMBRINE USING (D)-MANNITOL AS A CHIRAL TEMPLATE, A MODEL STUDY FOR THE ENANTIOSELECTIVE SYNTHESIS OF THE AMARYLLIDACEAE ALKALOIDS

Seiichi Takano; Yoko Imamura; Kunio Ogasawara

Heterocycles | 2008

Synthesis of Chiral (Sulfinyl)furyloxazoline Ligands and Its Application to Enantioselective Palladium-Catalyzed Allylic Alkylation

Yoshitsugu Arai; Yusuke Bunya; Takaaki Sengoku; Yoko Imamura

ChemInform | 1982

Novel Reactions via b-Carboline Intermediates

Seiichi Takano; Kozo Shishido; Yoko Imamura; Kunio Ogasawara

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Kunio Ogasawara

Tohoku University

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Seiichi Takano

Tohoku University

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Masahiro Kagawa

Tohoku University

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Shinnosuke Usui

Tohoku University

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Yasuhiko Syono

Tohoku University

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Kozo Shishido

University of Tokushima

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Mamoru Omori

Tohoku University

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Yasuihiko Syono

Tohoku University

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Yoshitsugu Arai

Gifu Pharmaceutical University

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