Abstract

Abstract The binding ability of a series of spiroacetal thiacrown ethers with Li + , Na + , K + , Cs + , Co 2+ , Cd 2+ , Ag + and Pb 2+ is reported. The thiacrown ethers showed an affinity for the heavy metals. The interaction of the three thiacrown ethers 1 – 3 and [Al(acac) 3 ] 5 , [Co(NH 3 ) 5 NO 2 ](BPh 4 ) 2 6 and [Co(en) 3 ](BPh 4 ) 3 7 complexes is also investigated.

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