Tetramethyl(2-methoxyethyl)cyclopentadienyl complexes of zirconium (IV). Crystal structure of [η5:η1-C5(CH3)4CH2CH2OCH3)]ZrCl3статьяИсследовательская статья
Информация о цитировании статьи получена из
Scopus,
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Several novel zirconium(iv) complexes with the chelating oxygen-containing cyclopentadienyl ligand, tetramethyl(2-methoxyethyl)cyclopentadiene, have been synthesized [hS:h1-Tetramethyl(2-methoxyethyl)cyclopentadienylltrichlorozirconium (2), bisl[h5-tetramethyl(2-methoxyethyl)cyclopentadienyl]dichlorozirconium (3), [h5-penntamethylcyclopentadienyl][hS-tetramethyl(2-methoxyethyl)cyclopentadienyl]dichlorozirconium (4), and [h5-tetramethyl(2-methylthioethyl)cyclopentadienyl][h5-tetramethyl(2-methoxyethyl)cyclopentadienyl]dichlorozirconium (5) have been prepared from the corresponding lithium cyclopentadienide (1). The crystal structure of cyclopentadienyl complex 2 has been established by X-ray analysis. The coordination O-->Zr bond in compound 2 exists both in the crystalline state and in solutions. No coordination of this type was observed in complexes 3-5. Synthesized complexes 2-5 are discussed in comparison with their sulfur-containing analogs.