Axially chiral racemic half-sandwich nickel(ii) complexes by ring-closing metathesis

A remarkable nickelacycle has been synthesised via olefin metathesis of the α,ω-diene complex [Ni(η -C H R)(Br)(NHC)] (R = C(CH ) CH CH[double bond, length as m-dash]CH , NHC = 1-(6-hexenyl)-3-(2,4,6-trimethylphenyl)-imidazol-2-ylidene). Single-crystal X-ray analysis reveals a helical shape of the m...

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 46; no. 12; pp. 3805 - 3808
Main Authors Buchowicz, Włodzimierz, Banach, Łukasz, Kamiński, Radosław, Buchalski, Piotr
Format Journal Article
LanguageEnglish
Published England 21.03.2017
Subjects
Decomposition reactions
Interatomic distance
Metathesis
Olefins
Parents
Stretching
Synthesis
X rays
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Summary:A remarkable nickelacycle has been synthesised via olefin metathesis of the α,ω-diene complex [Ni(η -C H R)(Br)(NHC)] (R = C(CH ) CH CH[double bond, length as m-dash]CH , NHC = 1-(6-hexenyl)-3-(2,4,6-trimethylphenyl)-imidazol-2-ylidene). Single-crystal X-ray analysis reveals a helical shape of the molecule and stretching of some interatomic distances in the Ni(ii) coordination sphere. The Cp-NHC tethered complex shows catalytic activity resembling that of the parent complexes.
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ISSN:1477-9226
1477-9234
DOI:10.1039/C6DT04811K