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분자활성 촉매반응 연구단
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Formation of a tetranickel octacarbonyl cluster from the CO2 reaction of a zero-valent nickel monocarbonyl species

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Title
Formation of a tetranickel octacarbonyl cluster from the CO2 reaction of a zero-valent nickel monocarbonyl species
Author(s)
Changho Yoo; Yunho Lee
Publication Date
2016-06
Journal
Inorganic Chemistry Frontiers, v.3, no.6, pp.849 - 855
Abstract
The reaction of a zerovalent nickel complex {Na}{(PNP)Ni(CO)} (1) with CO2(g) results in the formation of a tetrameric cluster complex {(PNCOONaP)Ni(CO)2}4 (2) as the major product along with {(PNP)Ni}2-μ-CO3-κ2O,O (3), {(PNP)Ni}2-μ-CO2-κ2C,O (4) and (PNP)Ni(CO) (5). A labelling experiment with 13CO2(g) reveals that not only the carbamate moeity but also the CO ligand in 2 originate from CO2(g). The formation of both a carbonyl species 2 and a carbonate species 3 indicates that nickel-mediated reductive disproportionation of CO2 occurs. Alternatively, a direct CO2 oxidative reaction of 1 occurs to produce {(PNP)Ni}2-μ-CO2-κ2C,O (4) in a minor pathway. The synthesis and characterization of 2 and other products are described herein. © 2016 the Partner Organisations
URI
https://pr.ibs.re.kr/handle/8788114/3293
ISSN
2052-1553
Appears in Collections:
Center for Catalytic Hydrocarbon Functionalizations(분자활성 촉매반응 연구단) > Journal Papers (저널논문)
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