Several new monophosphorylated 2,6-diaminopyridine ligands bearing PiPr2 and PtBu2 units (PNNH2-iPr, PNNH2-tBu, PNNHMe-iPr, and PNNHEt-iPr) are prepared by treatment of the respective 2,6-diaminopyridines with the chlorophosphines PiPr2Cl and PtBu2Cl in the presence of a base. Treatment of anhydrous FeCl2 with 1 equiv of these afforded the tetracoordinated coordinatively unsaturated 14e− complexes [Fe(κ2P,N-PNNH2-iPr)Cl2] and [Fe(κ2P,N-PNNH2-tBu)Cl2], while with PNNHMe-iPr and PNNHEt-iPr a phosphine transfer reaction of a second PN ligand took place to yield the known PNP pincer complexes [Fe(κ3P,N,P-PNPMe-iPr)Cl2] and [Fe(κ3P,N,P-PNPEt-iPr)Cl2]. The four-coordinate complexes [Fe(κ2P,N-PNNH2-iPr)Cl2] and [Fe(κ2P,N-PNNH2-tBu)Cl2] did not react with CO and the formation of iron PNC pincer complexes was not observed. The reason for the reluctance to add CO was investigated in detail by DFT calculations.
en
dc.description.sponsorship
Austrian Science Fund (FWF)
-
dc.description.sponsorship
Fundação para a Ciência e Tecnologia
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dc.language
English
-
dc.language.iso
en
-
dc.publisher
Springer
-
dc.relation.ispartof
Monatshefte für Chemie - Chemical Monthly
-
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
-
dc.subject
Iron
en
dc.subject
Aminophosphine ligands
en
dc.subject
DFT calculations
en
dc.subject
Carbon monoxide
en
dc.title
High-spin iron(II) complexes with mono-phosphorylated 2,6-diaminopyridine ligands
en
dc.type
Article
en
dc.type
Artikel
de
dc.rights.license
Creative Commons Namensnennung 4.0 International
de
dc.rights.license
Creative Commons Attribution 4.0 International
en
dc.contributor.affiliation
Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa
-
dc.relation.grantno
P24202-N17
-
dc.relation.grantno
PEst-OE/QUI/UI0100/2013
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dcterms.dateSubmitted
2016-01-25
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dc.rights.holder
The Author(s) 2016
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dc.type.category
Original Research Article
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true
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true
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vor
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International Co-publication
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dcterms.isPartOf.title
Monatshefte für Chemie - Chemical Monthly
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tuw.publication.orgunit
E163 - Institut für Angewandte Synthesechemie
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tuw.publisher.doi
10.1007/s00706-016-1731-9
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dc.date.onlinefirst
2016-03-30
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dc.identifier.eissn
1434-4475
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dc.identifier.libraryid
AC11361251
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dc.identifier.urn
urn:nbn:at:at-ubtuw:3-2899
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0000-0002-0087-474X
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0000-0002-1438-9462
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0000-0001-5841-3519
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tuw.author.orcid
0000-0003-0872-6159
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dc.rights.identifier
CC BY 4.0
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CC BY 4.0
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true
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en
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http://purl.org/coar/resource_type/c_2df8fbb1
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with Fulltext
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research article
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open
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Open Access
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Publications
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E163 - Institut für Angewandte Synthesechemie
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E057-04 - Fachbereich Röntgenzentrum
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E164-01-1 - Forschungsgruppe Massenspektrometrische Bio- und Polymeranalytik
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E164-01-1 - Forschungsgruppe Massenspektrometrische Bio- und Polymeranalytik
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E163-01 - Forschungsbereich Anorganische Chemie
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E150 - Fakultät für Technische Chemie
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E057 - Facilities und Zentren
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E164-01 - Forschungsbereich Imaging und Instrumentelle Analytische Chemie
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E164-01 - Forschungsbereich Imaging und Instrumentelle Analytische Chemie