Reactions of Iminophosphanes with Chlorotris(triphenylphosphine)rhodium(I): Generation and NMR Identification of the First Iminophosphanerhodium(I) and Iminophosphanerhodium(III) Complexes

Add time:08/14/2019    Source:sciencedirect.com

Iminophosphanes [RO-PNAr] (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(MeOPNAr)2L] 2 and [PhCI(2-MeC6H4OPNAr)L2] 3. Under analogous conditions, P-halogenoiminophosphanes [X-PNAr] (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-PBAr)] 5.

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