Synthesis and Structural Characterization of a New Macrocyclic Polysiloxane-immobilized Ligand System |
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| Authors: | Nizam M El-Ashgar Issa M El-Nahhal Mohamed M Chehimi Michel Delamar Florence Babonneau and Jacques Livage |
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| Institution: | (1) Department of Chemistry, The Islamic University of Gaza, PO Box 108, Gaza, Palestine;(2) Department of Chemistry, Al-Azhar University, PO Box 1277, Gaza, Palestine;(3) ITODYS, Universit? Paris 7, Denis Diderot and CNRS (UMR 7086), 1 rue Guy de la Brosse, 75005 Paris, France;(4) Laboratoire de Chimie de la Mati?re Condens?e, Universit? Paris VI and CNRS (UMR 7574), 4 place Jussieu, 75252 Paris Cedex 05, France;(5) Coll?ge de France, 11 place Marcelin-Berthelot, 75005 Paris, France; |
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| Abstract: | A new porous solid macrocyclic 1,4,7,11,14-pentaazapentadecane-3,15-dione polysiloxane ligand system of the general formula
P–(CH2)3–C11H22O2N5 (where P represents Si–O]n siloxane network) has been prepared by the reaction of polysiloxane-immobilized iminobis(N-(2-aminoethyl)acetamide) with 1,3-dibromopropane. The FTIR and XPS results confirm the introduction of the macrocyclic functional
ligand group into the polysiloxane network. The new macrocyclic polysiloxane ligand system exhibits high potential for the
uptake of metal ions (Fe3+, Co2+, Ni2+, Cu2+ and Zn2+). |
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