NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXES

A new route to the electron rich pentamethylcyclopetadienyl iron complexes (n5-C5Me5)=Cp*) starting from the commercially available dimer [Cp*Fe(CO)2]2 ,is presented. Reaction of the dimer with I2 in CH2Cl2, affords the mononuclear carbonyl complex Cp*Fe(CO)2I which in turn reacts with bis(diphenylp...

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Autores principales:	DIAZ,C., CABEZAS,N., MENDIZABAL,F.
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2002
Materias:	pentamethylcyclopentadienyl iron electron rich fragments OM calculation organometallic
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0366-16442002000300003
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spelling	oai:scielo:S0366-164420020003000032014-08-20NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXESDIAZ,C.CABEZAS,N.MENDIZABAL,F. pentamethylcyclopentadienyl iron electron rich fragments OM calculation organometallic A new route to the electron rich pentamethylcyclopetadienyl iron complexes (n5-C5Me5)=Cp) starting from the commercially available dimer [CpFe(CO)2]2 ,is presented. Reaction of the dimer with I2 in CH2Cl2, affords the mononuclear carbonyl complex CpFe(CO)2I which in turn reacts with bis(diphenylphosphinoethane) in toluene under Uv irradiation to give CpFe(dppe)I. Treatment of CpFe(dppe)I with the neutral ligands L (L = CH3CN, PPh3, SEt2) in the presence of TlPF6 affords the cationic derivatives [CpFe(dppe)L]PF6 ,while that the reaction with S2(CH2C6H5 )2 in CH3OH yields the thiolate complex [CpFe(dppe)S-CH2C6H5 ] PF6 .The unusual magnetic properties of these complexes are discussed. Extended Hückel OM calculation confirmed the most electron rich character of the CpFe(dppe)+ derivatives than their unsustituted CpFe(dppe)+ .Electrochemical as well as Mösbauer data are in agree with thisinfo:eu-repo/semantics/openAccessSociedad Chilena de QuímicaBoletín de la Sociedad Chilena de Química v.47 n.3 20022002-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0366-16442002000300003en10.4067/S0366-16442002000300003
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	pentamethylcyclopentadienyl iron electron rich fragments OM calculation organometallic
spellingShingle	pentamethylcyclopentadienyl iron electron rich fragments OM calculation organometallic DIAZ,C. CABEZAS,N. MENDIZABAL,F. NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXES
description	A new route to the electron rich pentamethylcyclopetadienyl iron complexes (n5-C5Me5)=Cp) starting from the commercially available dimer [CpFe(CO)2]2 ,is presented. Reaction of the dimer with I2 in CH2Cl2, affords the mononuclear carbonyl complex CpFe(CO)2I which in turn reacts with bis(diphenylphosphinoethane) in toluene under Uv irradiation to give CpFe(dppe)I. Treatment of CpFe(dppe)I with the neutral ligands L (L = CH3CN, PPh3, SEt2) in the presence of TlPF6 affords the cationic derivatives [CpFe(dppe)L]PF6 ,while that the reaction with S2(CH2C6H5 )2 in CH3OH yields the thiolate complex [CpFe(dppe)S-CH2C6H5 ] PF6 .The unusual magnetic properties of these complexes are discussed. Extended Hückel OM calculation confirmed the most electron rich character of the CpFe(dppe)+ derivatives than their unsustituted CpFe(dppe)+ .Electrochemical as well as Mösbauer data are in agree with this
author	DIAZ,C. CABEZAS,N. MENDIZABAL,F.
author_facet	DIAZ,C. CABEZAS,N. MENDIZABAL,F.
author_sort	DIAZ,C.
title	NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXES
title_short	NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXES
title_full	NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXES
title_fullStr	NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXES
title_full_unstemmed	NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXES
title_sort	new entry to piano -stool electron rich (pentamethyl cyclopentadienyl) iron complexes
publisher	Sociedad Chilena de Química
publishDate	2002
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0366-16442002000300003
work_keys_str_mv	AT diazc newentrytopianostoolelectronrichpentamethylcyclopentadienylironcomplexes AT cabezasn newentrytopianostoolelectronrichpentamethylcyclopentadienylironcomplexes AT mendizabalf newentrytopianostoolelectronrichpentamethylcyclopentadienylironcomplexes
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NEW ENTRY TO PIANO -STOOL ELECTRON RICH (PENTAMETHYL CYCLOPENTADIENYL) IRON COMPLEXES

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