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BIBTEX RIS

SCHIFF BASE COMPLEXES OF OXOCATIONS Part II Oxovanadium(IV) complexes with tetradentate optically active Schiff bases

1974; Taylor & Francis; Volume: 3; Issue: 4 Linguagem: Inglês

10.1080/00958977408075868

ISSN

1029-0389

Autores

Alessandro Pasini, Michele Gullotti,

Tópico(s)

Porphyrin and Phthalocyanine Chemistry

Resumo

Abstract The synthesis and properties of oxovanadium(IV) complexes with tetradentate Schiff bases obtained by condensation of two moles of acetylacetone, trifluoroacetylacetone, salicylaldehyde and its 5-chloro and 5-nitro derivatives, with optically active 1,2-diamines, namely (+) propylenediamine, (+) and meso butanediamine, (+) and meso cyclohexanediamine, (-) and meso stilbenediamine, are described. The infrared, circular dichroism and electronic spectra are reported and discussed. The factors influencing the formation of hexacoordinate adducts with donor bases are also discussed.

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