Technical Notes:

1.self-immobilizing, binuclear neutral nickel catalyst for ethylene polymerization.

2.L igand steric and electronic effects on ß-ketiminato neutral nickel(ÍI) olefin polymerization catalysts.

3.Accessible, highly active single-com ponent ß-ketiminato neutral nickel(1l) catalysts for ethylene polymerization.

4. Highly active neutral nickel(II) catalysts for ethylene polymerization bearing modified ß-ketoiminato ligands.

References: 1.J. Mol. Catal A:Chem. 2013, 380, 139. 2.Organometallics, 2012, 31, 966. 3.Organometallics, 2010, 29, 2306. 4.Organometallics, 2009, 28, 5697.