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Five-membered [C, N] and [N, O] metallocyclic complexes of palladium(II) with monoalkyl [alpha-(4-benzeneazoanilino)-N-benzyl]phosphonates : synthesis, characterization and antitumor activity


Tušek-Božić, Ljerka; Komac, Marijana; Ćurić, Manda; Lyčka, Antonin; D'Alpaos; Scarcia, Vito; Furlani, Ariella
Five-membered [C, N] and [N, O] metallocyclic complexes of palladium(II) with monoalkyl [alpha-(4-benzeneazoanilino)-N-benzyl]phosphonates : synthesis, characterization and antitumor activity // Polyhedron, 19 (2000), 8; 937-948 (međunarodna recenzija, članak, znanstveni)


Naslov
Five-membered [C, N] and [N, O] metallocyclic complexes of palladium(II) with monoalkyl [alpha-(4-benzeneazoanilino)-N-benzyl]phosphonates : synthesis, characterization and antitumor activity

Autori
Tušek-Božić, Ljerka ; Komac, Marijana ; Ćurić, Manda ; Lyčka, Antonin ; D'Alpaos ; Scarcia, Vito ; Furlani, Ariella

Izvornik
Polyhedron (0277-5387) 19 (2000), 8; 937-948

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Palladium(II) complexes; metallocycles; aminophosphonate complexes; spectroscopy; antitumor activity

Sažetak
The synthesis, spectroscopic and biological properties of the novel palladium(II) complexes with monoethyl (HL1) and monobutyl (HL2) ester of [alpha-[(4-benzeneazoanilino)-N-benzyl]phosphonic acid, have been prepared and studied. These potential polydentate ligands form two types of metallocyclic compounds, those with [C, N] and [N, O] five-membered chelate ring. The former are cyclopalladated chloro-bridged binuclear complexes in which the deprotonated ligand undergoes palladation at the azo nitrogen and the ortho-carbon, while the latter mononuclear complexes contain the organophosphorus ligand bonded through the aniline nitrogen and the deprotonated phosphonic acid oxygen. The complexes were identified and characterized by elemental analysis, magnetic and conductance measurements as well as by infrared, 1H, 13C and 31P nuclear magnetic resonance and ESI-mass spectroscopic studies. The in vitro antitumor activity of all the complexes was evaluated against human KB cell line as a preliminary screening for their biological activity. The coordination behaviour of monoalkyl benzeneazophosphonates as well as the spectral and biological properties of their complexes were compared with the results reported for the corresponding dialkyl phosphonates and their palladium(II) complexes.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA


Projekt / tema
00980607

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus