A simple and efficient method for the synthesis of potentially antitumor-active dinuclear platinum complexes of the general formula [{trans-PtCl(NH3)2}2(μ-L)](n+2)+ (L = aliphatic or heterocyclic diamine; n = charge of L) is presented. The procedure is based on the mutual in situ activation of trans-[PtCl(OH)(NH 3)2] and the linker L in the form of a diammonium salt. This synthetic pathway yielded the Farrell compound [{trans-PtCl(NH 3)2}2{μ-NH2(CH2) 6NH2}]Cl2 (BBR3005) in quantitative yield. Using the same procedure, we prepared the new pyrazolate-bridged compound [{trans-PtCl(NH3)2}2(μ-pz)]Cl, determined its X-ray structure, and tested its cytotoxicity against three wild-type and one cisplatin-resistant cell lines.

Synthetic Route to Dinuclear Platinum(II) Complexes [{trans-PtCl(NH3)(2)}(2)(mu-L)](2+) (L = Aliphatic or Heterocyclic Diamine) as Potential Antitumor Agents, Exploiting the Mutual Activation of Hydroxido Ligands and Ammonium Groups / C. Chopard, C. Lenoir, S. Rizzato, M. Vidal, J. Arpalahti, L. Gabison, A. Albinati, C. Garbay, J. Kozelka. - In: INORGANIC CHEMISTRY. - ISSN 0020-1669. - 47:20(2008), pp. 9701-9705.

Synthetic Route to Dinuclear Platinum(II) Complexes [{trans-PtCl(NH3)(2)}(2)(mu-L)](2+) (L = Aliphatic or Heterocyclic Diamine) as Potential Antitumor Agents, Exploiting the Mutual Activation of Hydroxido Ligands and Ammonium Groups

S. Rizzato;A. Albinati;
2008

Abstract

A simple and efficient method for the synthesis of potentially antitumor-active dinuclear platinum complexes of the general formula [{trans-PtCl(NH3)2}2(μ-L)](n+2)+ (L = aliphatic or heterocyclic diamine; n = charge of L) is presented. The procedure is based on the mutual in situ activation of trans-[PtCl(OH)(NH 3)2] and the linker L in the form of a diammonium salt. This synthetic pathway yielded the Farrell compound [{trans-PtCl(NH 3)2}2{μ-NH2(CH2) 6NH2}]Cl2 (BBR3005) in quantitative yield. Using the same procedure, we prepared the new pyrazolate-bridged compound [{trans-PtCl(NH3)2}2(μ-pz)]Cl, determined its X-ray structure, and tested its cytotoxicity against three wild-type and one cisplatin-resistant cell lines.
Settore CHIM/03 - Chimica Generale e Inorganica
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/60800
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