6533b7d1fe1ef96bd125cb94

RESEARCH PRODUCT

Synthesis and structural characterization of titanium complexes containing a sulfinyl-bridged bis(phenolato) ligand

Hak-chul KangStefan FokkenJun OkudaWerner Massa

subject

Tridentate ligandStructure analysisLigandInorganic chemistrychemistry.chemical_elementInorganic Chemistrychemistry.chemical_compoundchemistryOctahedronMolar ratioPolymer chemistryMaterials ChemistryTitanium tetrachloridePhysical and Theoretical ChemistryDerivative (chemistry)Titanium

description

Abstract Titanium complexes containing the novel tridentate 2,2′-sulfinylbis(6-tert-butyl-4-methylphenoxo) ligand (sibmp) were synthesized and characterized. Treatment of titanium tetra-iso-propoxide with 2,2′-sulfinylbis(6-tert-4-methylphenol) (sibmpH2) in 1:1 molar ratio afforded red-orange, sparingly soluble di-iso-propoxo derivative [Ti(sibmp)(O-i-Pr)2]2·0.5 Et2O. The single-crystal structure analysis was performed and revealed a dimeric centrosymmetric structure with a planar Ti2O2 core. The titanium center is approximately octahedral with a SO function intramolecularly coordinated at the titanium center. Treatment of sibmpH2 with titanium tetra-iso-propoxide in 2:1 molar ratio gave yellow Ti(sibmp)2 with a C2-symmetric spirocyclic structure. The dark red dichloro complex [Ti(sibmp)Cl2] was prepared by reacting titanium tetrachloride with sibmpH2.

https://doi.org/10.1016/s0277-5387(97)00241-6