Organocatalytic enantioselective γ-aminoalkylation of unsaturated ester : access to pipecolic acid derivatives
The direct γ-carbon functionalization of α,β-unsaturated esters via N-Heterocyclic Carbene (NHC) catalysis is disclosed. This catalytically generated nucleophilic γ-carbon undergoes highly enantioselective additions to hydrazones. The resulting δ-lactam products can be readily transformed to optical...
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格式: | Article |
語言: | English |
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2014
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在線閱讀: | https://hdl.handle.net/10356/104212 http://hdl.handle.net/10220/19439 |
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