Showing papers by "Andrei V. Churakov published in 1996"
TL;DR: In this article, the synthesis and characterization of new titanium and zirconium derivatives of the C 5 Me 4 CH 2 CH 2 CH 2 (Cp += ) ligand are described.
25 citations
TL;DR: In this paper, the first tetramethyl(2-methylthioethyl)cyclopentadiene (1) was synthesized for the first time, and the S→Zr coordination bond was shown to exist in complex3 both in the crystalline state and in solution.
Abstract: Chelating sulfur-containing cyclopentadienyl ligand tetramethyl(2-methylthioethyl)cyclopentadiene (1), was synthesized for the first time. Its sodium (2a) and lithium (2b) derivatives were isolated in the crystalline state. Starting from compound1 some novel ZrIV complexes were prepared: [tetramethyl(2-methylthioethyl)cyclopentadienylltriclllorozirconium (3), bis[tetramethyl(2-methylthioethyl)cyclopentadienylldichlorozirconium (4), and [pentamethylcyclopentadienyll [tetramethyl(2-methylthioethyl)cyclopentadienylldichlorozirconium (5). The crystal structures of3 and5 were determined by X-ray diffraction analysis. The dynamic behavior of complex3 in various solvents was investigated by1H and13C N MR spectroscopy. The S→Zr coordination bond was shown to exist in complex3 both in the crystalline state and in solution. No coordination of this type was found in compounds4 and5.
24 citations