Preparation of Diazoalkane Complexes of Ruthenium and Their Cyclization Reactions with Alkenes and Alkynes
- Gabriele Albertin (1647244)
- Stefano Antoniutti (1647241)
- Alessandra Botter (1647238)
- Jesús Castro (1647235)
- Mattia Giacomello (1779643)
DOIAbstract
The diazoalkane complexes [Ru(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)(N<sub>2</sub>CAr1Ar2)(PPh<sub>3</sub>)(L)]BPh<sub>4</sub> (<b>1</b>–<b>5</b>: Ar1 = Ar2 = Ph (<b>a</b>), Ar1 = Ph and Ar2 = <i>p-</i>tolyl (<b>b</b>), Ar1Ar2 = C<sub>12</sub>H<sub>8</sub> (<b>c</b>), Ar1 = Ph and Ar2 = PhCO (<b>d</b>); L = PPh<sub>3</sub> (<b>1</b>), P(OMe)<sub>3</sub> (<b>2</b>), P(OEt)<sub>3</sub> (<b>3</b>), PPh(OEt)<sub>2</sub> (<b>4</b>), Bu<sup><i>t</i></sup>NC (<b>5</b>)) were prepared by allowing the chloro compounds RuCl(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)(PPh<sub>3</sub>)(L) to react with the diazoalkanes Ar1Ar2CN<sub>2</sub> in ethanol. Treatment of complexes <b>1</b>–<b>5</b> with ethylene (CH<sub>2</sub>CH<sub>2</sub>) und...
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