Four-membered chelate aminoalkenyl complexes of platinum(II). Synthesis,carbonylation and oxidation to aminoacidato complexes |
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Authors: | Augusto De Renzi Achille Panunzi Michaelangelo Scalone Aldo Vitagliano |
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Affiliation: | Istituto Chimico dell''Univesita di Napoli, Via Mezzocannone 4, 80134 Napoli Italy |
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Abstract: | Amination of PtII-allene complexes of the type cis[PtCl2(Me2CCCHR)(PPh3)] gives the new four-membered C, N chelate aminoalkenyl complexes [Me2(PPh3)Cl]. These undergo ready insertion of carbon monoxide into the CPt σ-bond; the resulting acyl complexes are oxidized by hydrogen peroxide to aminoacidato complexes, and the free unsaturated β-aminoacids can be recovered in good yield by ligand displacement. |
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