Hydrogenation of citral over carbon supported iridium catalysts

Heidi Bernas, Irina Simakova, Igor P. Prosvirin, Päivi Mäki-Arvela, Reko Leino, Dmitry Murzin

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)


Hydrogenation of citral (3,7-dimethyl-2,6-octadienal) was carried out in a batch reactor at atmospheric hydrogen pressure and 70 °C over Sibunit (mesoporous carbon) supported iridium catalysts with different metal loadings. The major products were isopropyl ethers of geraniol and nerol (2-propanol was used as solvent), but also geraniol, nerol, citronellal di-isopropyl acetal and citronellal were formed. The metal particle size was determined by CO-chemisorption and varied from 2 to 6 nm. The turnover frequency for hydrogenation reactions increased with the metal particle size.
Original languageEnglish
Pages (from-to)690–697
Number of pages8
JournalCatalysis Letters
Publication statusPublished - 2012
MoE publication typeA1 Journal article-refereed


  • Catalysis
  • Citral
  • Iridium


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