Stereochemistry of formation and reactions of carbonyldichloro-(threo-α,β-dideuteriophenethyl)bis(triphenylphosphine)-rhodium and -iridium complexes
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 9,p. 774-779
- https://doi.org/10.1039/dt9750000774
Abstract
Treatment of [RhCl(PPh3)3] and [IrCl(N2)(PPh3)2] with threo-PhCHD·CHD·CO·Cl gives the complexes [(dpp)-MCl2(PPh3)2](M = Rh or Ir; dpp =threo-2,3-deuterio-3-phenylpropionyl) and [(dpe)IrCl2CO(PPh3)2](dpe =threo-α,β-dideuteriophenethyl); the alkyl migration reaction in this system thus proceeds with retention of configuration. Decomposition of both rhodium and iridium complexes yields all six possible mono- and di-deuteriostyrenes. The product distribution is interpreted in terms of a series of reversible β-elimination reactions.Keywords
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