FORMATION OF AN ANCHORED COPPER(II) COMPLEX ON A THIOUREA-FUNCTIONALIZED SILICA-GEL BY IN-SITU MODIFICATION OF THE TETHERED LIGATING FUNCTION

被引:12
作者
CAUZZI, D
PREDIERI, G
TIRIPICCHIO, A
ZANONI, R
GIORI, C
机构
[1] UNIV PARMA,DIPARTIMENTO CHIM GEN & INORGAN CHIM ANALIT CHIM FIS,VIALE SCI,I-43100 PARMA,ITALY
[2] UNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,I-00185 ROME,ITALY
[3] UNIV ROMA LA SAPIENZA,IST SCI FIS,I-00185 ROME,ITALY
关键词
COPPER COMPLEXES; ANCHORED COMPLEXES; THIOUREA-FUNCTIONALIZED XEROGELS;
D O I
10.1016/0020-1693(94)03973-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Copper(II) chloride reacts with a double-thiourea ligand tethered on a silica xerogel through a reduction-oxidation process. XPS data suggest that the main products are copper(I) chloride supported on the matrix and a tethered copper(II) compound containing a heterocyclic ligand derived from the double thiourea by oxidative mono-desulfurization. The presence of this anchored complex is also substantiated by ESR measurements.
引用
收藏
页码:183 / 186
页数:4
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