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Molecules 2005, 10(8), 912-921; doi:10.3390/10080912
Article

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

1, 1,* , 1,* , 2, 2 and 2,*
1 Department of Applied Chemistry, South China University of Technology, Guangzhou 510640, P.R. China 2 Department of Chemistry, The Hong Kong University of Science and Technology, Hong Kong, P.R. China
* Authors to whom correspondence should be addressed.
Received: 12 September 2004 / Revised: 6 February 2005 / Accepted: 15 February 2005 / Published: 31 August 2005
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Abstract

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.
Keywords: Iso-amyl benzothiazolyl sulfoxide; Palladium; Solvent extraction; Crystal structure Iso-amyl benzothiazolyl sulfoxide; Palladium; Solvent extraction; Crystal structure
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Li, Y.-W.; Gu, G.-B.; Liu, H.-Y.; Sung, H.H.Y.; Williams, I.D.; Chang, C.-K. A New iso-Amyl Benzothiazolyl Sulfoxide as an Extractant for Palladium and the Crystal Structure of its Palladium (II) Complex. Molecules 2005, 10, 912-921.

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