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Chiral SPINOL‐Derived Borophosphate‐Catalyzed Asymmetric 1,4‐Reduction of Exocyclic α,β‐Unsaturated Ketones
An asymmetric 1,4‐reduction of exocyclic α,β‐unsaturated ketones, yielding diverse optically active α‐substituted tetralones, has been achieved using a chiral SPINOL‐derived borophosphate catalyst. The enantioselectivity‐determining step of the reaction involves the protonation of a highly active bo...
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Published in: | Advanced synthesis & catalysis 2024-11 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | An asymmetric 1,4‐reduction of exocyclic α,β‐unsaturated ketones, yielding diverse optically active α‐substituted tetralones, has been achieved using a chiral SPINOL‐derived borophosphate catalyst. The enantioselectivity‐determining step of the reaction involves the protonation of a highly active boron enolates intermediate. This catalytic reduction system, comprising chiral SPINOL‐derived borophosphate and pinacolborane, has potential for broader application in other asymmetric reduction reactions. |
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ISSN: | 1615-4150 1615-4169 |
DOI: | 10.1002/adsc.202401008 |