Journal
CHEMICAL PAPERS
Volume 62, Issue 6, Pages 589-595Publisher
VERSITA
DOI: 10.2478/s11696-008-0065-4
Keywords
crown ether; lactone; alkaline metal complex; metal picrate extraction
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Funding
- S. U. Foundation of Scientific Projects ( BAP)
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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. (C) 2008 Institute of Chemistry, Slovak Academy of Sciences
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