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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.organomet.0c00167
|2 doi
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|a pubmed24n1043.xml
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|a (DE-627)NLM313174164
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|a (NLM)32742055
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Pecak, Jan
|e verfasserin
|4 aut
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| 245 |
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|a Synthesis, Characterization, and Catalytic Reactivity of {CoNO}8 PCP Pincer Complexes
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 27.01.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2020 American Chemical Society.
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|a The reaction of coordinatively unsaturated Co(II) PCP pincer complexes with nitric oxide leads to the formation of new, air-stable, diamagnetic mono nitrosyl compounds. The synthesis and characterization of five- and four-coordinate Co(III) and Co(I) nitrosyl pincer complexes based on three different ligand scaffolds is described. Passing NO through a solution of [Co(PCPNMe-iPr)Cl], [Co(PCPO-iPr)Cl] or [Co(PCPCH2-iPr)Br] led to the formation of the low-spin complex [Co(PCP-iPr)(NO)X] with a strongly bent NO ligand. Treatment of the latter species with (X = Cl, Br) AgBF4 led to chloride abstraction and formation of cationic square-planar Co(I) complexes of the type [Co(PCP-iPr)(NO)]+ featuring a linear NO group. This reaction could be viewed as a formal two electron reduction of the metal center by the NO radical from Co(III) to Co(I), if NO is counted as NO+. Hence, these systems can be described as {CoNO}8 according to the Enemark-Feltham convention. X-ray structures, spectroscopic and electrochemical data of all nitrosyl complexes are presented. Preliminary studies show that [Co(PCPNMe-iPr)(NO)]+ catalyzes efficiently the reductive hydroboration of nitriles with pinacolborane (HBpin) forming an intermediate {CoNO}8 hydride species
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|a Journal Article
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1 |
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|a Eder, Wolfgang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stöger, Berthold
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Realista, Sara
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martinho, Paulo N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Calhorda, Maria José
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Linert, Wolfgang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kirchner, Karl
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Organometallics
|d 1998
|g 39(2020), 14 vom: 27. Juli, Seite 2594-2601
|w (DE-627)NLM098167103
|x 0276-7333
|7 nnns
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| 773 |
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|g volume:39
|g year:2020
|g number:14
|g day:27
|g month:07
|g pages:2594-2601
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|u http://dx.doi.org/10.1021/acs.organomet.0c00167
|3 Volltext
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