Parahydrogen studies of H2addition to Ir(i) complexes containing chiral phosphine–thioether ligands: implications for catalysis.
Dalton Trans 2006:3350-9. [PMID:
16820847 DOI:
10.1039/b601980c]
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Abstract
Ir(CO)[CpFe{eta5-C5H3(PPh2)CH2SR}]Cl [R = Ph and (t)Bu], containing a kappa2:P,S ligand, undergoes H2 addition across the S-Ir-CO axis under kinetic control to form two distinct diastereoisomeric products, which then rearrange via S dissociation in a process that can be hijacked for useful catalysis, but ultimately form a single diastereoisomer of the thermodynamic product where the hydride ligands are trans to chloride and phosphine.
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