A general and efficient iridium-catalyzed hydroformylation of olefins

Irene Piras, Reiko Jennerjahn, Ralf Jackstell, Anke Spannenberg, Robert Franke, Matthias Beller

Research output: Contribution to journalArticlepeer-review

82 Scopus citations


Breaking with conventional wisdom: Hydroformylation catalysts are generally based on rhodium; earlier, cobalt was used. Iridium, which is less expensive than rhodium, was considered too unreactive. However, iridium/phosphine complexes have now been shown to form active catalysts for the hydroformylation of olefins under mild conditions (see scheme; R1, R2=H, alkyl, aryl; R3=H, alkyl). Competing hydrogenation side reactions can be suppressed.

Original languageEnglish
Pages (from-to)280-284
Number of pages5
JournalAngewandte Chemie International Edition in English
Issue number1
StatePublished - 3 Jan 2011
Externally publishedYes


  • aldehydes
  • alkenes
  • homogeneous catalysis
  • hydroformylation
  • iridium


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