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Nickel Complexes with N2O Donor Ligands: Syntheses, Structures, Catalysis and Magnetic Studies (Eur. J. Inorg. Chem. 32/2007)

✍ Scribed by Jishnunil Chakraborty; Mahasweta Nandi; Heike Mayer-Figge; William S. Sheldrick; Lorenzo Sorace; Asim Bhaumik; Pradyot Banerjee

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
132 KB
Volume
2007
Category
Article
ISSN
1434-1948

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✦ Synopsis

Abstract

The cover picture shows how a novel tetranuclear Ni^II^ complex [Ni~4~L~4~^1^(μ‐tp‐κ~4~‐O)(H~2~O)~2~(μ‐tp‐κ~2~‐O)]·2C~2~H~5~OH·CH~3~OH·3H~2~O [L^1^ = N‐(3‐aminopropyl)‐5‐bromosalicylaldimine] acts as an active catalyst for the partial oxidation of cyclohexene into its epoxide product when it is immobilized over a network of hexagonal mesoporous silica. Herein the catalytic sites allow the formation of epoxide over their surfaces. tert‐Butyl hydroperoxide acts as an oxidant for the partial oxidation process. A dinuclear unit is formed, in which the Ni^II^ is bridged by a phenolato group, and two such units are connected through a terephthalate moiety to form a tetranuclear nickel(II) complex. The tetranuclear units are connected to each other by another terephthalate moiety in its bis(monodentate) mode to form one‐dimensional networks. Details are described in the article by P. Banerjee et al. on p. 5033 ff. The artwork was designed by Mr. Jishnunil Chakraborty and Mr. Gopal Das.

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Nickel Complexes with N2O Donor Ligands:
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