Molecules (Aug 2005)

A New iso-Amyl Benzothiazolyl Sulfoxide as an Extractant for Palladium and the Crystal Structure of its Palladium (II) Complex

  • Chi-K. Chang,
  • Ian D. Williams,
  • Herman H. Y. Sung,
  • Hai-Yang Liu,
  • Guo-Bang Gu,
  • Yao-Wei Li

DOI
https://doi.org/10.3390/10080912
Journal volume & issue
Vol. 10, no. 8
pp. 912 – 921

Abstract

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A new iso-amyl benzothiazolyl sulfoxide (ABSO) was synthesized and used inthe extraction of Pd(II) from hydrochloric acid media. Pd(II) was extracted quantitativelyfrom 0.1 M HCl with ABSO in benzene (0.5 M). Ammonia solution (2.0 M) could beused as stripping agent. ABSO and Pd(II) form a 2:1 adduct [Pd (ABSO)2Cl2] in theextraction. X-ray crystal structure determination revealed PdCl2(ABSO)2 is asquare-planar complex in which ABSO acts as a neutral unidentate ligand coordinatedwith palladium(II) via the thiazolyl N atom.

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