Stereocontrolled synthesis of (+)-methoxyphenylkainic acid and (+)-phenylkainic acid |
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Authors: | Higashi Takumi Isobe Yoichiro Ouchi Hitoshi Suzuki Hiroto Okazaki Yuko Asakawa Tomohiro Furuta Takumi Wakimoto Toshiyuki Kan Toshiyuki |
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Institution: | School of Pharmaceutical Sciences, University of Shizuoka and Global COE Program, Suruga-ku, Shizuoka, Japan. |
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Abstract: | The efficient total syntheses of (+)-methoxyphenylkainic acid (3) and (+)-phenylkainic acid (4) were achieved using a rhodium carbenoid-mediated intermolecular C-H insertion reaction. Complete stereoselective construction of the kainoid skeleton was accomplished by utilizing the stereochemistry at the C-4 position as a pivotal stereogenic center. |
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