𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Nickel Complexes with N2O Donor Ligands: Syntheses, Structures, Catalysis and Magnetic Studies

✍ 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
412 KB
Volume
2007
Category
Article
ISSN
1434-1948

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Two new terephthalato‐bridged tetranuclear polymeric Ni^II^ complexes, namely [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 (1) and [Ni~4~L~4~^2^(μ‐tp‐κ~4~‐O)(H~2~O)~2~(μ‐tp‐κ~2~‐O)]·3H~2~O (2) [L^1^ = N‐(3‐aminopropyl)‐5‐bromosalicylaldimine and L^2^ = N‐(3‐aminopropyl)salicylaldimine], are reported along with the syntheses and structures of the dicyanoargentate‐bridged polymeric complexes [Ni(L^1^)(H~2~O){Ag(CN)~2~}]~α~ (3) and [Ni(L^3^)(MeOH){Ag(CN)~2~}]~α~ (4) [L^3^ = N‐(3‐amino‐2,2‐dimethylpropyl)‐5‐bromosalicylaldimine]. All four complexes are found to be effective heterogeneous catalysts for the epoxidation of alkenes such as styrene, α‐methylstyrene and cyclohexene in the presence of tert‐butyl hydroperoxide. The variable‐temperature magnetic susceptibility measurements (300–2 K) of complex 1 show a fair degree of antiferromagnetic coupling between the Ni^II^ centers.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)

📜 SIMILAR VOLUMES

Nickel Complexes with N2O Donor Ligands:
Nickel Complexes with N2O Donor Ligands: Syntheses, Structures, Catalysis and Magnetic Studies (Eur. J. Inorg. Chem. 32/2007)
✍ Jishnunil Chakraborty; Mahasweta Nandi; Heike Mayer-Figge; William S. Sheldrick; 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 132 KB 👁 1 views

## 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 wh

Studies on Nickel(II) Complexes with Ami
Studies on Nickel(II) Complexes with Amide-Based Ligands: Syntheses, Structures, Electrochemistry and Oxidation Chemistry
✍ Jyoti Singh; Geeta Hundal; Rajeev Gupta 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 344 KB 👁 1 views

## Abstract The present work discusses the nickel chemistry in a set of amide‐based open‐chain ligands with subtle differences in the backbone or terminal amine substituents. The ligands coordinate to the Ni^2+^ ion through the N~amide~ and N~amine~ atoms maintaining a square‐planar geometry. Absor

Syntheses, Structures and Antibacterial
Syntheses, Structures and Antibacterial Activities of Two Nickel(II) Complexes with N-Hexanoylsalicylhydrazide Ligand
✍ Ming-Xing Yang; Shen Lin; Ping Yu; Li-Juan Chen; Shi-Xiong Liu 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 123 KB 👁 2 views

## Abstract The two trinuclear nickel(II) complexes, Ni~3~(C~13~H~15~N~2~O~3~)~2~(C~5~H~5~N)~4~ (1) and Ni~3~(C~13~H~15~N~2~O~3~)~2~(C~5~H~5~N)~2~‐ (C~3~H~7~NO)~2~ (2), were prepared by the reaction of Ni(OAc)~2~·4H~2~O with __N__‐hexanoylsalicylhydrazide. The crystal structures of complexes were d