Reviejo, Irene; Tabernero, Vanessa; Mosquera, Marta E. G.; Ramos, Javier; Cuenca, Tomas; Jimenez, Gerardo published the artcile< Chiral Titanium(IV) Complexes Containing Polydentate Ligands Based on α-Pinene. Catalytic Activity in Sulfoxidation with Hydrogen Peroxide>, Formula: C8H10OS, the main research area is chiral aminoalkyliminopinene titanium isopropoxide preparation crystal mol structure catalyst; titanium polydentate alpha pinene complex preparation catalysis sulfoxidation; sulfoxidation catalyst terpenoid alpha pinene titanium isopropoxide preparation.
The reaction of TiCl4-n(OiPr)n (n = 0, 2, 4) with various terpenoid preligands based on α-pinene, C7H6Me3(OH)(NCH2CH2G) (G = NH2, I; NHMe, II; OH, III), stereoselectively affords a series of new chiral titanium(IV) complexes. Such complexes are either octahedral, [TiCl2X(OC7H6Me3NCH2CH2G-κ3N,N,O)] (X = Cl, G = NH2, 1; X = OiPr, G = NH2, 2; G = NHMe, 3), or trigonal bipyramidal, [Ti(OiPr)3(OC7H6Me3NCH2CH2G-κ2N,O)] (G = NH2, 4; NHMe, 5) and [TiX(OiPr)(OC7H6Me3NCH2CH2O-κ3N,O,O*)] (X = Cl, 6; OiPr, 8), depending on the acidity of titanium, the reaction conditions and the nature of the pendant ending group of the terpenoid ligand. D. functional theory (DFT) calculations have been carried out to assess the stability of the multiple possible diastereoisomers allowing to propose structural suggestions. The new titanium complexes efficiently catalyze the selective oxidation of various types of sulfides to either sulfoxides or sulfones using aqueous hydrogen peroxide, under mild conditions. All compounds have been characterized by multinuclear NMR spectroscopy and the mol. structure for some of them has been determined by x-ray diffraction.
Organometallics published new progress about Crystal structure. 699-12-7 belongs to class alcohols-buliding-blocks, and the molecular formula is C8H10OS, Formula: C8H10OS.
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