4.6 Article

Exploring the role of phosphorus substituents on the enantioselectivity of Ru-catalysed ketone hydrogenation using tridentate phosphine-diamine ligands

Journal

CATALYSIS SCIENCE & TECHNOLOGY
Volume 1, Issue 8, Pages 1336-1339

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cy00253h

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Funding

  1. EPSRC
  2. Washington and Lee University
  3. R.E. Lee Research Fellowship
  4. Swedish Reseach Council
  5. Associated Colleges of the South Andrew W. Mellon Faculty
  6. EPSRC [EP/G036314/1, EP/F030576/1, EP/G063591/1] Funding Source: UKRI
  7. Engineering and Physical Sciences Research Council [EP/G036314/1, EP/G063591/1, EP/F030576/1] Funding Source: researchfish

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Methods to produce a range of new phosphine-diamine ligands from phosphino-aldehydes have been developed and a hypothesis that larger P-substituents would increase the enantioselectivity towards the (S) isomer in Ru-catalysed ketone hydrogenation of acetophenone has been examined; the successful validation of this hypothesis is further evidence that the mechanism of these catalysts involves a secondary amine assisted reduction.

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