Platinum group metal functionalized phosphine complexes. Part 2. Phosphinoamide rhodium(I), iridium(I), palladium(II) and platinum(II) complexes |
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| Authors: | Tirumalasetty Satyanarayana Kadaru Veera Reddy |
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| Affiliation: | (1) Department of Chemistry, Osmania University, 500007 Hyderabad, India |
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| Abstract: | Summary Rhodium(I), iridium(I), palladium(II) and platinum(II) complexes of the phosphinoamide ligands, Ph2PCH2CONHR (R = H, HDPA; Me, MDPA; Ph, PDPA) were prepared and characterized by using conductivity data, i.r., 1H and 31P(H) n.m.r. spectral data. Reaction of the ligands with MCl(PPh3)3 and MCl(CO)(PPh3)2 (M = Rh, Ir) in CH2Cl2 under reflux lead to the formation of MCl(PPh3)2 [Ph2PCH2C(O)NHR] and MCl(CO)(PPh3)[Ph2PCH2–C(O)HNR] respectively. The reaction of either K2MCl4 or cis-MCl2(PPh3)2 affords complexes of the type cis-MCl2[Ph2PCH2C(O)NHR]2 (M = Pd, Pt). A similar product results even from the reaction of phosphinoamides with cis-platin. Possible structures are proposed for the complexes based on their physicochemical data |
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