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Synthesis of macrocyclic polyethers and polyether diesters and preparation of their cationic complexes

Şeref Ertul, A. Dinçer Bedük, Mevlüt Bayrakci, and Ersin Güler

Department of Chemistry, Faculty of Science and Art, University of Selçuk, 42031 Konya, Turkey

 

E-mail: sertul42@gmail.com

Received: 26 February 2008  Revised: 17 April 2008  Accepted: 23 April 2008

Abstract: New macrocyclic polyethers, 2,3,5,6-bis-[5′(5′)-chlorobenzo]-1,7,10-trioxacyclododeca-2,5-diene (I), 2,3,5,6-bis-[5′(5′)-chlorobenzo]-1,7,10,13-tetra oxacyclo pentadeca-2,5-diene (II), and 2,3,5,6-bis-[5′(5′)-chlorobenzo]-1,7,10,13,16-penta oxa cyclo octadeca-2,5-dien (III), and macrocylic lactones 2,3,5,6-bis-[5′(5′)-chlorobenzo]-1,7,10,13-tetraoxacyclopentadeca-2,5-diene-8,15-dione (IV) and 2,3,5,6-bis[5′(5′)-chlorobenzo]-1,7,10,13,16-pentaoxacyclooctadeca-2,5-diene-8,18-dione (V) were synthesized. Complexes of ligands III and V with metal cations were prepared. Furthermore, their metal-picrate extraction with some metal salts was attempted. Structures of the ligands and complexes were confirmed using spectroscopic techniques.

Keywords: crown ether - lactone - alkaline metal complex - metal picrate extraction

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-008-0065-4

 

Chemical Papers 62 (6) 589–595 (2008)

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