Scientific article
English

Improved Catalysts for the Iridium-Catalyzed Asymmetric Isomerization of Primary Allylic Alcohols Based on Charton Analysis

Published inChemistry, vol. 16, no. 42, p. 12736-12745
Publication date2010
Abstract

An improved generation of chiral cationic iridium catalysts for the asymmetric isomerization of primary allylic alcohols is disclosed. The design of these air-stable complexes relied on the preliminary mechanistic information available, and on Charton analyses using two preceding generations of iridium catalysts developed for this highly challenging transformation. Sterically unbiased chiral aldehydes that were not accessible previously have been obtained with high levels of enantioselectivity, thus validating the initial hypothesis regarding the selected ligand-design elements. A rationale for the high enantioselectivities achieved in most cases is also presented.

Keywords
  • Asymmetric catalysis
  • Charton analysis
  • Iridium
  • Isomerization
  • Ligand design
Citation (ISO format)
MANTILLI, Luca et al. Improved Catalysts for the Iridium-Catalyzed Asymmetric Isomerization of Primary Allylic Alcohols Based on Charton Analysis. In: Chemistry, 2010, vol. 16, n° 42, p. 12736–12745. doi: 10.1002/chem.201001311
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ISSN of the journal0947-6539
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Creation29/10/2010 09:56:00
First validation29/10/2010 09:56:00
Update time14/03/2023 16:08:08
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