Iridium
Catalysis

Iridium compounds are used as catalysts in the Cativa process for carbonylation of methanol to produce acetic acid.

Iridium complexes are often active for asymmetric hydrogenation both by traditional hydrogenation. and transfer hydrogenation. This property is the basis of the industrial route to the chiral herbicide (S)-metolachlor. As practiced by Syngenta on the scale of 10,000 tons/year, the complex in the presence of Josiphos ligands.
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