SYNTHESIS AND CHARACTERIZATION OF MU-OXO DIMERIC TECHNETIUM AND RHENIUM COMPLEXES WITH FUNCTIONALIZED AMINE PHENOLATE LIGANDS - X-RAY CRYSTAL-STRUCTURES OF [O=TCL(1)-O-L(1)TC=O]CENTER-DOT-H2O AND [O=REL(1)-O-L(1)RE=O] COMPLEXES (H(2)L(1)=N,N'-BIS(2-HYDROXYBENZYL)-1,3-DIAMINO-2-(4-NITROBENZYL)PROPANE)

被引：5

作者：

ABRAM, U ^{[1
]}

ABRAM, S ^{[1
]}

MACKE, HR ^{[1
]}

KOCH, P ^{[1
]}

机构：

[1] KANTONSSPITAL,INST NUKL MED,CH-4031 BASEL,SWITZERLAND

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1995年 / 621卷 / 05期

关键词：

TECHNETIUM COMPOUNDS; RHENIUM COMPLEXES; X-RAY DIFFRACTION; RADIOPHARMACEUTICALS;

D O I：

10.1002/zaac.19956210525

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Neutral rhenium(V) and technetium(V) chelates with the tetradentate amine phenolate ligand N,N'-bis(2-hydroxybenzyl)-1,3-diamino-2(-4-nitrobenzyl)propane (H(2)L(1)) have been prepared from [MOCl(4)](-) complexes and structurally characterized. The ligand coordinates tetradentately with deprotonation of the phenolic oxygen atoms. [O=TcL(1)-O-L(1)Tc=O]. H2O crystallizes monoclinic in the space group P2(1)/c with a=10.633(2), b=13.705(1), c= 16.364(3) Angstrom; beta=94.65(1)degrees, Z=2. Two TcOL(1) units with each one terminal oxo core are connected by a mu-oxo ligand. The technetium atoms are situated in distorted octahedral coordination spheres. Two distinct Tc-O bond lenghts have been found for the almost linear O=Tc-O-Tc=O unit (Tc=O-(terminal): 1.655(7) Angstrom and Tc-O-(mu-oxo): 1.903(1)) Angstrom. The analogous rhenium compound crystallizes in the same space group with a=13.302(7), b=9.956(1), c= 17.535(9) Angstrom; beta=106.72(2)degrees, Z=2. The dimeric [O=ReL(1)-O-Re-1=O] complex has a structure which is very similar to that of the corresponding technetium compound.

引用

页码：854 / 860

页数：7

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