Pd(II)-catalyzed and diethylzinc-mediated asymmetric umpolung allylation of aldehydes in the presence of chiral phosphine-Schiff base type ligands |
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| Authors: | Jia-Jun Jiang De Wang Wen-Feng Wang Zhi-Liang Yuan Mei-Xin Zhao Fei-Jun Wang Min Shi |
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| Institution: | 1. Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Mei Long Lu, Shanghai 200 237, China;2. State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Lu, Shanghai 200 032, China |
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| Abstract: | Chiral phosphine-Schiff base type ligand L3 prepared from (R)-(?)-2-(diphenylphosphino)-1,1′-binaphthyl-2′-amine was found to be a fairly effective chiral ligand for the Pd(II)-catalyzed and diethylzinc-mediated enantioselective umpolung allylation of aldehydes to give homoallylic alcohols in good yields, moderate enantioselectivities and high syn diastereoselectivities. |
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