Catalytic Asymmetric Transfer Hydrogenation of β,γ-Unsaturated α-Diketones
2024

Catalytic Asymmetric Transfer Hydrogenation of β,γ-Unsaturated α-Diketones

publication Evidence: high

Author Information

Author(s): Zhao Zhifei, Dong Wennan, Liu Jinggong, Yang Shuang, Cotman Andrej Emanuel, Zhang Qi, Fang Xinqiang

Primary Institution: State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences

Hypothesis

The study investigates the efficiency of asymmetric transfer hydrogenation (ATH) on β,γ-unsaturated α-diketones to produce enantioenriched acyloins and 1,2-diols.

Conclusion

The research successfully demonstrates a highly efficient ATH method for β,γ-unsaturated α-diketones, yielding various enantioenriched products with significant synthetic value.

Supporting Evidence

  • The method allows access to four types of enantioenriched acyloins and four types of optically pure 1,2-diols.
  • Systematic mechanistic studies and DFT calculations provided insights into the reactivity divergence.
  • The synthetic value of the work was demonstrated through the divergent synthesis of four related natural products.

Takeaway

This study shows a new way to make special chemical compounds that can be used in medicines and other important products, using a method that helps create them in a specific way.

Methodology

The study employed asymmetric transfer hydrogenation using half-sandwich bifunctional catalysts to achieve regio- and stereoselective synthesis of acyloins and 1,2-diols.

Limitations

The study primarily focuses on β,γ-unsaturated α-diketones, and the generalizability to other substrates may require further investigation.

Digital Object Identifier (DOI)

10.1021/jacs.4c11070

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