Abstract
New oxathiacrown macrocycles with exocyclic double bond 1 and 2 were synthesized and characterized. Their coordination behavior with soft transition metals is investigated. Reaction of 1 with PdCl2 afforded exo-coordinated complex 3 with the two S-donor atoms. With RuCl2(PPh3)3, the macrocyclic ligand 1 is bonded through three donor atoms (two sulfur and one oxygen) to the ruthenium center in a facial coordination mode. By contrast, double and single-stranded one dimensional (1D) coordination polymers were obtained by reaction of CuBr with macrocycles 1 and 2. All complexes were spectroscopically characterized and their structure was secured by X-ray diffraction analysis.
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