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Diastereoselective formation of a meso-disilane-1,2-diol – a dianionic siloxide ligand for Ti and Zr by C. Krempner; H. Reinke; K. Weichert; A. Spannenberg is a Chemistry article available to read on EtoBox.

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The meso form of (RMeSiOH) 2 [R = Si(SiMe 3 ) 3 ] (2) was synthesized exclusively by hydrolysis of a diastereomeric mixture of (RMeSiCl) 2 (1). The novel cyclic metal disiloxides (E)-(RMeSiO) 2 Ti(OEt) 2 (3) and [(Z)-(RMeSiO) 2 ] 2 Zr AE HNEt 2 (4) are readily prepared from the reaction of meso-2 with Ti(OEt) 4 and Zr(NEt 2 ) 4 , respectively. The results of X-ray structure analyses reveal complexes 3 and 4 to be strained five-membered ring compounds forming a dimeric structure and an adduct with diethylamine.

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Author

C. Krempner; H. Reinke; K. Weichert; A. Spannenberg

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0277-5387)

Published

2004

Language

EN

Field

Chemistry (Physical Sciences)