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  • 1
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Transition Metal Substituted Phosphanes, Arsanes, and Stibanes, XXII. Synthesis, Mechanism of Formation, and Molecular Structure of a Bis(organometal)dimethylarsonium MetalateThe interaction of the transition metal arsanes C5H5(CO)2PMe3M—AsMe2 and C5H5(CO)3M—AsMe2 gives the bismetalarsonium metalates {[C5H5(CO)2PMe3M]2AsMe2}{M(CO)3C5H5} (1a (Mo), 1b (W)) and tetramethyldiarsane. 1a is rapidly converted into {[C5H5(CO)2PMe3Mo]2AsMe2}I (2) and MeMo(CO)3C5H5 by MeI. The structure of the bismetalarsonium salts is proved by IR and NMR spectra and an X-ray analysis of 1a. Their mechanism of formation is discussed.
    Notes: Die Umsetzung der Übergangsmetallarsane C5H5(CO)2PMe3M—AsMe2 und C5H5(CO)3M—AsMe2 ergibt die Bismetallarsonium-metallate {[C5H5(CO)2PMe3M]2AsMe2}{M(CO)3C5HJ} (1a (Mo), 1b (W)) und Tetramethyldiarsan. 1a wird durch MeI rasch in {[C5H5(CO)2PMe3Mo]2AsMe2}I (2) und MeMo(CO)3C5H5 umgewandelt. Die Konstitution der Bismetallarsoniumsalze wird durch IR-und NMR-Spektren sowie eine Röntgenstrukturanalyse von 1a belegt. Es wird ein Mechanismus für ihre Bildung diskutiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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