Rapid virtual screening of enantioselective catalysts using CatVS

Abstract

The development of computational tools to support organic synthesis, including the prediction of reaction pathways, optimization and selectivity, is a topic of intense current interest. Transition state force fields, derived by the quantum-guided molecular mechanics method, rapidly calculate the stereoselectivity of organic reactions accurately enough to allow predictive virtual screening. Here we describe CatVS, an automated tool for the virtual screening of substrate and ligand libraries for asymmetric catalysis within hours. It is shown for the OsO4-catalysed cis-dihydroxylation that the results from the automated set-up are indistinguishable from a manual substrate screen. Predictive computational ligand selection is demonstrated in the virtual ligand screen of a library of diphosphine ligands for the rhodium-catalysed asymmetric hydrogenation of enamides. Subsequent experimental testing verified that the most selective substrate–ligand combinations are successfully identified by the virtual screen. CatVS is therefore a promising tool to increase the efficiency of high-throughput experimentation.

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Fig. 1: Methods for predicting stereoselectivity.
Fig. 2: Flowchart for CatVS.
Fig. 3: Automated virtual screen of 12 substrates for the cis-dihydroxylation reaction with CatVS.
Fig. 4: Use of the CatVS virtual screening tool to select ligands for asymmetric catalysis.

Data availability

All other data is available from the authors upon reasonable request.

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Acknowledgements

This work was supported financially by NSF (CHE-1565669), NIH (T32 GM075762 and 1R01GM111645) and AstraZeneca. S. Tomasi, D. Buttar, and J. Westin at AstraZeneca are acknowledged for help with the CatVS web implementation.

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E.H. and A.R.R. wrote the code, J.W. and E.L. performed calculations, R.H.M., R.M., K.W.L., R.S. and F.B. performed experiments. All authors designed the study, analyzed the data and contributed to the manuscript.

Corresponding authors

Correspondence to Rachel H. Munday or Olaf Wiest or Per-Ola Norrby.

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The authors declare no competing interests.

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Supplementary Information

Supplementary Methods, Supplementary Figures 1–5, Supplementary Tables 1–4, Supplementary References

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Rosales, A.R., Wahlers, J., Limé, E. et al. Rapid virtual screening of enantioselective catalysts using CatVS. Nat Catal 2, 41–45 (2019). https://doi.org/10.1038/s41929-018-0193-3

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