Catalytic Pictet-Spengler reactions using Yb(OTf)3 |
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| Authors: | Manabe Kei Nobutou Daisuke Kobayashi Shū |
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| Institution: | Graduate School of Pharmaceutical Sciences, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. |
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| Abstract: | The catalytic Pictet-Spengler reactions proceeded in high yields with high regioselectivity in the presence of a catalytic amount of Yb(OTf)3 and a dehydrating agent at room temperature. High regioselectivities were obtained in these reactions, and it is suggested that the reactions proceeded under kinetic control. |
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