Asymmetric Direct Aldol Reaction of Cyclohexanone Catalyzed by( N'-Benzyl-N'-D-prolyl)-trans-4-hydroxy-L-proline Hydrazide |
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| Authors: | Cheng Chuanling Wang Wenliang |
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| Affiliation: | School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China |
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| Abstract: | A new proline catalyst, namely (N′‐benzyl‐N′‐D‐prolyl)‐trans‐4‐hydroxy‐L‐proline hydrazide, has been prepared and proved to be a superior catalyst for the asymmetric aldol reaction of cyclohexanone and aromatic aldehydes, affording up to 98:2 dr and 98% ee. |
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| Keywords: | asymmetric aldol reaction proline hydrazide enantioselectivity diastereoselectivity cyclohexanone |
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