On the ligating properties of sulfonate and perchlorate anions towards zinc

被引：45

作者：

Brandsch, T

Schell, FA

Weis, K

Ruf, M

Muller, B

Vahrenkamp, H

机构：

[1] Institut für Anorganische und Analytische Chemie, Universität Freiburg, D-79104 Freiburg

来源：

CHEMISCHE BERICHTE-RECUEIL | 1997年 / 130卷 / 02期

关键词：

zinc; sulfonate ligands; perchlorates; coordination modes;

D O I：

10.1002/cber.19971300223

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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-OH2](RSO(3))(ClO4) and [(BI-MA)Zn-OH2](RSO(3))2 (R = CH3, CF3, 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*ZnClO4 . 2 DMSO conflicts with crystallograpic evidence against it in Tp*ZnClO4 pyridine. The crystal structures of [(BIMA)Zn-OH2](CH3SO3)(2), Tp(Cum,Me)Zn-O-SO2CH3, (TPZn)-Zn-tBu,Me-OSO2C6H4-p-CH3, and [Tp(Cum,Me)Zn . NC5H5]ClO4 were determined.

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页码：283 / 289

页数：7

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