Chemistry of Re with N,N‘-Bis(2-pyridylmethyl)ethylenediamine (H2pmen): Hydrolysis, Dehydrogenation, and Ternary Complexes

A number of Re complexes with N,N‘-bis(2-pyridylmethyl)ethylenediamine (H2pmen) have been made from [NH4][ReO4]. [ReOCl2(H2pmen)]Cl, [ReOCl(Hpmen)][ReO4], and [ReO2(H2pmen)][ReO4] are related by hydrolysis/HCl substitution. [ReOCl(Hpmen)][ReO4] was structurally characterized and found to contain a w...

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Veröffentlicht in:	Inorganic chemistry 2001-04, Vol.40 (9), p.2005-2010
Hauptverfasser:	Xu, Liang, Pierreroy, Jason, Patrick, Brian O, Orvig, Chris
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Sprache:	eng
Schlagworte:	Crystallography, X-Ray Ethylenediamines - chemistry Hydrogenation Hydrolysis Magnetic Resonance Spectroscopy Molecular Structure Organometallic Compounds - chemistry Radioisotopes Radiopharmaceuticals - chemistry Rhenium - chemistry
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container_end_page	2010
container_issue	9
container_start_page	2005
container_title	Inorganic chemistry
container_volume	40
creator	Xu, Liang Pierreroy, Jason Patrick, Brian O Orvig, Chris
description	A number of Re complexes with N,N‘-bis(2-pyridylmethyl)ethylenediamine (H2pmen) have been made from [NH4][ReO4]. [ReOCl2(H2pmen)]Cl, [ReOCl(Hpmen)][ReO4], and [ReO2(H2pmen)][ReO4] are related by hydrolysis/HCl substitution. [ReOCl(Hpmen)][ReO4] was structurally characterized and found to contain a water-stable amido−Re bond. Dehydrogenation of the N-donor ligand from each amine to imine with concomitant two-electron reduction of the Re center occurs readily in these systems. With suitable 3-hydroxy-4-pyrones, ternary complexes such as [ReIIICl(ma)(C14H14N4)][ReO4]·CH3OH, 5, were made from [NH4][ReO4], H2pmen·4HCl and pyrones in one-pot syntheses. 5, a seven-coordinate ReIII complex, was structurally characterized.
doi_str_mv	10.1021/ic0013025
format	Article
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Chem</addtitle><date>2001-04-23</date><risdate>2001</risdate><volume>40</volume><issue>9</issue><spage>2005</spage><epage>2010</epage><pages>2005-2010</pages><issn>0020-1669</issn><eissn>1520-510X</eissn><abstract>A number of Re complexes with N,N‘-bis(2-pyridylmethyl)ethylenediamine (H2pmen) have been made from [NH4][ReO4]. [ReOCl2(H2pmen)]Cl, [ReOCl(Hpmen)][ReO4], and [ReO2(H2pmen)][ReO4] are related by hydrolysis/HCl substitution. [ReOCl(Hpmen)][ReO4] was structurally characterized and found to contain a water-stable amido−Re bond. Dehydrogenation of the N-donor ligand from each amine to imine with concomitant two-electron reduction of the Re center occurs readily in these systems. With suitable 3-hydroxy-4-pyrones, ternary complexes such as [ReIIICl(ma)(C14H14N4)][ReO4]·CH3OH, 5, were made from [NH4][ReO4], H2pmen·4HCl and pyrones in one-pot syntheses. 5, a seven-coordinate ReIII complex, was structurally characterized.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>11304142</pmid><doi>10.1021/ic0013025</doi><tpages>6</tpages></addata></record>
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subjects	Crystallography, X-Ray Ethylenediamines - chemistry Hydrogenation Hydrolysis Magnetic Resonance Spectroscopy Molecular Structure Organometallic Compounds - chemistry Radioisotopes Radiopharmaceuticals - chemistry Rhenium - chemistry
title	Chemistry of Re with N,N‘-Bis(2-pyridylmethyl)ethylenediamine (H2pmen): Hydrolysis, Dehydrogenation, and Ternary Complexes
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