Abstract
Iminophosphanes [RO-P=NAr] (R = Me, 2-MeC6H4; Ar = 2,4,6-But3C6H2) 1a,b react with RhCIL3 (L = Ph3P) via ligand exchange to give KP-iminophosphane complexes of rhodium(i) [RhCI(MeOP=NAr)2L] 2 and [PhCI(2-MeC6H4OP=NAr)L2] 3. Under analogous conditions, P-halogenoiminophosphanes [X-P=NAr] (X = CI, Br, I) 3a–c undergo a facile oxidative addition of the P—X bond, forming five-coordinate iminophosphanerhodium(iii) complexes of composition [L2CI(X)Rh(<σ-P=BAr)] 5.
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