ISSN:
0044-2313
Keywords:
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Description / Table of Contents:
Contributions to the Chemistry of Organo Transition Metal Compounds. 54. Formation of Cyclic Chalcogenides of the Type [Cp2*Zr(μ-E)]2 at Thermolysis of Permethylzirconocene Divinyl in Presence of Sulfur, Selenum, and Tellurium4-membered cyclic chalcogenides of the type [Cp2*Zr(μ-E)]2are formed at thermolysis of Cp2*Zr(CH=CH2)2 in presence of sulfur, selenum and tellurium using an aliphatic hydrocarbon as a solvent. During the reactions acetylene and ethylene are liberated in equimolar amounts, which indicates the formation of a zirconocene acetylene ethylene complex as an intermediate.
Notes:
Die Thermolyse von Cp2*Zr(CH=CH2)2 in aliphatischen Kohlenwasserstoffen als Lösungsmittel führt in Gegenwart von Schwefel, Selen und Tellur zur Bildung viergliedriger cyclischer Chalkogenide des Typs [Cp2*Zr(μ-E)]2. Die Reaktionen verlaufen unter Freisetzung äquimolarer Mengen an Acetylen und Ethylen, was auf die intermediäre Bildung eines Zirconocenethylen-acetylen-Komplexes schließen läßt.
Additional Material:
1 Tab.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/zaac.19895730119