Triptycene??Based, Carboxylate??Bridged Biomimetic Diiron (II) Complexes

Y Li, CMM Soe, JJ Wilson, SL Tuang…

Index: Li, Yang; Soe, Chan Myae Myae; Wilson, Justin J.; Tuang, Suan Lian; Apfel, Ulf-Peter; Lippard, Stephen J. European Journal of Inorganic Chemistry, 2013 , # 12 p. 2011 - 2019

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Abstract

Abstract A triptycene-based bis (benzimidazole) ester ligand, L3, was designed to enhance the electron-donating ability of the heterocyclic nitrogen atoms relative to those of the first- generation bis (benzoxazole) analogs, L1 and L2. A convergent synthesis of L3 was designed and executed. Three-component titration experiments using UV/Vis spectroscopy revealed that the desired diiron (II) complex could be obtained with a 1: 2: 1 ratio of L3/Fe ( ...

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