Synthesis and Structural Characterization of Tetradentate (N₂O₂) Ligand Complexes of Zinc

Binuclear Salan borate compounds with three-coordinate boron atoms

“…1) have been explored to a lesser extent with main group elements. Main group combinations are limited to compounds of zinc, [16] tin, [17][18][19] aluminum [18,[20][21][22][23] and gallium [23,24]. This is despite the possibility that the presence of an amine rather than an imine functionality in these ligands could give rise to different structural, electronic and catalytic properties of their metal derivatives.…”

“…All glassware was cleaned with a base and an acid wash and dried in an oven at 130°C overnight prior to use. The ligands salean( t Bu)H 2 , salban( t Bu)H 2 and salhan( t Bu)H 2 were synthesized according to the literature procedure [16]. NMR data were obtained on Varian Gemini-200 and Varian VXR-400 instruments.…”

Chiral Salan Aluminium Ethyl Complexes and Their Application in Lactide Polymerization

“…Tetradentate phenoxyamine ligands are usually referred to as salan-type ligands, which can be considered fully reduced Schiff base (salen) ligands (Scheme 1). [14] The salantype ligands have more flexible structures than salen ligands, due to the sp 3 hybridization of their amine nitrogen atoms. A salan ligand containing a trans-1,2-diaminocyclohexane bridge may lead to various kinds of interesting chiral metal complexes.…”

A cationic mononuclear and a neutral trinuclear boron compound derived from boric acid and N2O2-type ligands of the Salan class

“…SaleanH 4 , salceanH 4 , salpanH 4 and salophanH 4 have been prepared according to a method reported in the literature [16].…”