Catalytic asymmetric hydrogenation of cyclic anhydrides using ruthenium (II) chiral phosphine complex |
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| Authors: | Kohtaro Osakada Masamichi Obana Takao Ikariya Masahiko Saburi Sadao Yoshikawa |
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| Institution: | Department of Synthetic Chemistry, Faculty of Engineering, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan |
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| Abstract: | Optically active γ- and δ-lactones are obtained by the hydrogenation of five- and six-membered cyclic anhydrides using a Ru(II) complex with chiral phosphine ligand, DIOP, as a catalyst. |
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