Darstellung und Charakterisierung von dreifach NR2-verbrückten Molybdänkomplexen des Typs η³-C₇H₇(CO)₂Mo(μ–NR₂)₃Mo-η⁷-C₇H₇ / Synthesis and Characterization of Triply NR2-Bridged Molybdenum Complexes of the Type η³-C₇H₇(CO)₂Mo(μ-NR₂)₃Mo-η⁷-C₇H₇

Abstract

<jats:title>Abstract</jats:title><jats:p> The mixed-valence compounds of composition C<jats:sub>7</jats:sub>H<jats:sub>7</jats:sub>(CO)<jats:sub>2</jats:sub>Mo(μ-NR<jats:sub>2</jats:sub>)<jats:sub>3</jats:sub>MoC<jats:sub>7</jats:sub>H<jats:sub>7</jats:sub> (R=H, p-NO<jats:sub>2</jats:sub>-C<jats:sub>6</jats:sub>H<jats:sub>4</jats:sub>, C<jats:sub>4</jats:sub>H<jats:sub>4</jats:sub>) can be synthesized by reacting η<jats:sup>7</jats:sup>-C<jats:sub>7</jats:sub>H<jats:sub>7</jats:sub>Mo(CO)<jats:sub>2</jats:sub>Br with the corresponding sodium amides. The amido compound with R=H can also be obtained from η<jats:sup>7</jats:sup>-C<jats:sub>7</jats:sub>H<jats:sub>7</jats:sub>MO(CO)<jats:sub>2</jats:sub>CH<jats:sub>3</jats:sub> in liquid ammonia. Reaction of the products with CH<jats:sub>3</jats:sub>OH yields the known complex η<jats:sup>3)</jats:sup>-C<jats:sub>7</jats:sub>H<jats:sub>7</jats:sub>(CO)<jats:sub>2</jats:sub>Mo(μ-OCH<jats:sub>3</jats:sub>)<jats:sub>3</jats:sub>Mo-η<jats:sup>3</jats:sup>-C<jats:sub>7</jats:sub>H<jats:sub>7</jats:sub>.</jats:p>