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Original Articles Open Access
Three new azoimine ligands, namely bis[5-phenylazo-2-hydroxybenzaldehyde]-4,4′-diiminophenyl ether(1), bis[5-phenylazo-2-hydroxy benzaldehyde]-4,4′-diiminophenyl methane(2), bis[5-phenylazo-2-hydroxybenz aldehyde]-4,4′-diiminophenyl ethane(3) and their reduced imine form bis[5-phenylazo-2-hydroxybenz aldehyde]-4,4′-diaminophenyl ether(4), bis[5-phenylazo-2-hydroxybenzaldehyde]-4,4′-diaminophenyl methane (5), bis[5-phenylazo-2-hydroxybenzaldehyde]-4,4′-diaminophenyl ethane(6) were synthesized by reducing the imine groups of the azoimine (1-3) with Sodium borohydride. The azoimine (1-3) and their reduced form (4-6) were characterized using elemental analyses, IR, UV-Visible spectroscopy, 1H NMR, 13C NMR and mass spectra.
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Author(s): Salem Atia Tahar Douadi Ali Douadi Touhami Lanez and Mousa AlNoaimi
Azo dyes, Schiff base, Amines, Uv-visible