Binuclear complexes containing barbituric derivatives as ligands-precursors for supramolecular structures. I. Synthesis and spectral properties of N,N’-bis-(5,5’-diethyl-barbituryl-1-methyl)-piperazine (VEP) and its copper(II) complex [articol]

Bucovicean, Carmen Maria; Tudose, Ramona; Costișor, Otilia

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Binuclear complexes containing barbituric derivatives as ligands-precursors for supramolecular structures. I. Synthesis and spectral properties of N,N’-bis-(5,5’-diethyl-barbituryl-1-methyl)-piperazine (VEP) and its copper(II) complex [articol]

Bucovicean, Carmen Maria; Tudose, Ramona; Costișor, Otilia

URI: http://primo.upt.ro:1701/primo-explore/fulldisplay?docid=40TUT000136572&context=L&vid=40TUT_V1&lang=ro_RO&search_scope=40TUT&adaptor=Local%20Search%20Engine&tab=default_tab&query=any,contains,Binuclear%20complexes%20containing%20barbituric%20derivatives%20as%20ligands-precursors%20for%20supramolecular%20structures.%20I.%20Synthesis%20and%20spectral%20properties%20of%20N,N%E2%80%99-bis-(5,5%E2%80%99-diethyl-barbituryl-1-methyl)-piperazine%20(VEP)%20and%20its%20copper(II)%20complex%20%5B&sortby=rank&offset=0 Link Primo

Date: 2005

Abstract:

The new Mannich base VEP (N,N’-bis-(5,5’-diethyl-barbituryl-1-methyl)-piperazine), has been synthetized by condensation of veronal with formaldehyde and piperazine following a Mannich procedure. The new binuclear complex Cu2VEP(X)4·4H2O , X=ClO4- where VEP stands for N,N’-bis-(5,5’-diethyl-barbituryl-1-methyl)-piperazine, were obtained by metal - ligand direct synthesis. Tetrahedral geometry of the metal ion was preserved in solution as well in solid state. The binuclear complex contain VEP in a chair conformation.

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