RETRACTED: Asymmetric synthesis of highly enantioenriched 2-substituted piperidines and 6-substituted piperidine-2-ones by a combination enantioselective hydrazone allylation with ring closing metathesis |
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Authors: | Fengnu Piao Mithilesh Kumar Mishra Doo Ok Jang |
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Institution: | Department of Chemistry, Yonsei University, Wonju 220-710, Republic of Korea |
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Abstract: | This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the corresponding author. The corresponding author prepared a series of cinchonine derivatives and found that the structure of PCA, which was a major compound, was mistakenly assigned. The synthetic routes, physical and spectroscopic data for the products are valid. As a result the corresponding author withdraws this publication. |
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