A High-valent Ru−PCP Pincer Catalyst for the Hydrogenation of Organic Carbonates

Shrouq Mujahed, Maria S. Richter, Evgueni Kirillov*, Evamarie Hey-Hawkins*, Dmitri Gelman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In this communication, we report on the successful application of a high-valent RuIV bifunctional catalyst (1) for mild hydrogenation of cyclic and acyclic carbonates. Our experimental and theoretical studies suggest that the hydrogenation mechanism is operated by an unusual formally zwitterionic RuIV complex. According to our hypothesis, the positively charged high-valent metal center is responsible for stronger hydrogen coordination. On the other hand, the proximate negatively charged ligand site facilitates heterolytic H2 bond activation, which leads to efficient catalysis.

Original languageAmerican English
JournalIsrael Journal of Chemistry
StateAccepted/In press - 2023

Bibliographical note

Funding Information:
This research was supported by GIF (German‐Israeli Foundation for research and development) Grant N I‐1508‐302.5/2019 and by the ISF (Israel Science Foundation) Grant No. 370/20. DG thanks Esther K. and M. Mark Watkins Chair for Synthetic Organic Chemistry. SM thanks the Neubauer Family Foundation for generous financial support. MSR and DG thank Deutscher Akademischer Austauschdienst (DAAD) for generous financial support.

Publisher Copyright:
© 2023 The Authors. Israel Journal of Chemistry published by Wiley-VCH GmbH.


  • cooperative catalysis
  • high-valent ruthenium
  • hydrogenation of esters
  • pincer complexes


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