Reuse of chiral cationic Pd-phosphinooxazolidine catalysts in ionic liquids: highly efficient catalytic asymmetric Diels-Alder reactions |
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| Authors: | Takahashi Kouichi Nakano Hiroto Fujita Reiko |
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| Affiliation: | Tohoku Pharmaceutical University, 4-4-1 Komatsushima, Sendai 981-8558, Japan. |
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| Abstract: | Chiral cationic palladium-phosphinooxazolidine catalysts in ionic liquid afforded excellent enantioselectivity in Diels-Alder reactions and the catalyst was easily recycled eight times without any significant decrease in chemical yields or enantioselectivity (89-99%, 88-99% ee). |
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