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On the Ligating Properties of Sulfonate and Perchlorate Anions Towards Zinc
Author(s) -
Brandsch Thomas,
Schell FriedrichAlexander,
Weis Karl,
Ruf Michael,
Miiller Bod,
Vahrenkamp Heinrich
Publication year - 1997
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19971300223
Subject(s) - chemistry , perchlorate , sulfonate , pyridine , zinc , tris , amine gas treating , medicinal chemistry , crystal structure , inorganic chemistry , stereochemistry , polymer chemistry , crystallography , organic chemistry , ion , sodium , biochemistry
Attempts are reported to incorporate sulfonate and perchlorate anions as ligands in zinc complexes of tripodal ligands. Using tris(benzimidazolylmethyl)amine (BIMA) only the aqua complexes [ (BIMA)Zn‐OH 2 ](RSO 3 )(ClO 4 ) and [(BIMA)Zn‐OH 2 ](RSO 3 ) 2 (RCH 3 , CF 3 , p ‐tolyl) were accessible. Using substituted pyrazolylborates (Tp*), the same three sulfonate anions were found to be ligands in the complexes Tp*Zn‐OSO 2 R. Spectroscopic evidence for perchlorate coordination in Tp*ZnClO 4 · 2 DMSO conflicts with crystallograpic evidence against it in Tp*ZnClO 4 · pyridine. The crystal structures of [(BIMA)Zn‐OH 2 ](CH 3 SO 3 ) 2 , Tp Cum,Me Zn‐OS0 2 CH 3 , TP t Bu,Me Zn‐OSO 2 C 6 H 4 ‐ p ‐CH 3 , and [Tp Cum,Me Zn · NC 5 H 5 ]ClO 4 were determined.
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