Oxidative γ-addition of enals to trifluoromethyl ketones : enantioselectivity control via Lewis acid/N-heterocyclic carbene cooperative catalysis
An oxidative γ-functionalization of enals under N-heterocyclic carbene (NHC) catalysis to give unsaturated δ-lactones is disclosed. Enantioselectivity control involving the relatively remote enal γ-carbon was achieved via Lewis acid [Sc(OTf)3 or combined Sc(OTf)3/Mg(OTf)2] and NHC cooperative cataly...
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| Main Authors: | , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2013
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| 在線閱讀: | https://hdl.handle.net/10356/97651 http://hdl.handle.net/10220/11248 |
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