Silver Tetrafluoroborate Complex of a Lower Rim Phosphorylated Calix[4]arene; Preparation and Characterization

Document Type : Research Note

Authors

1 Department of Chemistry, University of Zanjan, P.O. Box 313-45195, Zanjan, I.R. IRAN

2 Group of Molecular Inorganic Chemistry, CNRS, No. 7513, University of Louis Pasteur, Strasbourg, FRANCE

10.30492/ijcce.2000.9994

Abstract

Siilver tetrafluoroborate complex of 5.11.17.23-tetra-tert-butyl-25-26,27,28-tetrakis (diphenylphosphinoylmethoxy)calyx[4]arene (L) has been synthesized by reaction of silver tetrafluoroborate and L in dichloromethane at room temperature. The complex formed has a 1:1 metall/ligand ratio. 1H and 31P NMR data support an encapsulated structure of the complex in which silver ion is located inside the hydrophilic cavity of the ligand.

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