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  • 1
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Antitumor Active cis-Platinum(II) Complexes with α-Amino Acid Esters and Peptide Esters. X-Ray Structure of cis-Dichlorobis(glycylglycine ethyl ester)platinum(II)A series of cis-platinum(II) complexes X2PtL2 (1-4) (X = halide, 2X = oxalate, malonate; L = α-amino acid ester, peptide ester) has been obtained from Pt42- and L. The dipeptide ester complexes are also accessible via peptide synthesis at the complex from Cl2Pt(NH2CHRCO2H)2 and α-amino acid esters using carbodiimide as coupling agent and the platinum atom as amino protecting group. The complexes Cl2PtL2 with α-amino acid ester ligands have also been prepared from the bis(chelate) compounds cis-Pt(NH2CHRCO2)2 and alcohol in the presence of HCl. The complexes have been characterized by their spectroscopic data, cis-Cl2Pt(GlyGlyOEt)2 (2a) by an X-ray analysis.
    Notes: Eine Reihe von cis-Platin(II)-Komplexen X2PtL2(1-4) (X = Halogenid, 2X = Oxalat, Malonat; L = α-Aminosäureester, Peptidester) wird aus PtX42- und L erhalten. Entsprechende Komplexe mit Dipeptidester-Liganden sind auch durch Peptidsynthese am Komplex aus Cl2Pt-(NH2CHRCO2H)2 und α-Aminosäureestern mit Carbodiimid als Kupplungskomponente und Platin als Aminoschutzgruppe zugänglich. Die Verbindungen Cl2PtL2 mit α-Aminosäureester-Liganden lassen sich auch aus den Bis(chelat)-Komplexen cis-Pt(NH2CHRCO2)2 und Alkohol in Gegenwart von HCl gewinnen. Die cis-Struktur der Verbindungen wurde spektroskopisch, die von Cl2Pt(GlyGlyOEt)2 (2a) durch Röntgenstrukturanalyse nachgewiesen.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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