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Title: Phenol amide chelates of iron(III). Interaction of 1,5-bis-(2-hydroxybenzamido)-3-aza-pentane with iron(III) in aqueous methanol medium
Authors: Dash, Anadi C
Rath, Rohit K
Issue Date: Feb-2004
Publisher: NISCAIR-CSIR, India
Abstract: The complexation equilibrium of 1,5-bis-(2-hydroxybenzamido)-3-azapentanc with Fe(OH2)63+ has been investigated at 25.0°C and 1= 0.5 mol dm-3 in aqueous methanol [2.5% MeOH + H2O (v/v). The formation of only the mono nuclear complex has been observed which led to the iron(III) promoted amide deprotonation in mild acidic (pK1 (CO-NH) = 5.2) and mild alkaline (pK1 (CO-NH) = 9.2) medium. The ligand is a very good iron(III) sequestering agent with log Kstab = 23.3 (Fe3+ + L2- = FeL+, Kstab).
Page(s): 310-314
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.43A(02) [February 2004]

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