[(η<sup>5</sup>-C<sub>5</sub>Me<sub>4</sub>CH<sub>2</sub>R)Ru(η<sup>6</sup>-arene)]<sup>+</sup> and [(η<sup>5</sup>-C<sub>5</sub>Me<sub>4</sub>CH<sub>2</sub>R)Ru(CH<sub>3</sub>CN)<sub>3</sub>]<sup>+</sup> Compounds Possessing Pendant Arms
Robert M. Fairchild (2253289)K. Travis Holman (1487371)
Abstract
[(η<sup>5</sup>-C<sub>5</sub>Me<sub>4</sub>CH<sub>2</sub>R)Ru(η<sup>6</sup>-arene)]<sup>+</sup>, [(η<sup>5</sup>-C<sub>5</sub>Me<sub>4</sub>CH<sub>2</sub>R)Ru(CH<sub>3</sub>CN)<sub>3</sub>]<sup>+</sup> (R = OH, OR, and NR<sub>1</sub>R<sub>2</sub>), and related compounds possessing pendant arms are synthesized by the attack of water, alcohol, alkoxide, or amine nucleophiles on the methylenic carbon atoms of the readily available tetramethylfulvene complex [(η<sup>6</sup>-C<sub>5</sub>Me<sub>4</sub>CH<sub>2</sub>)Ru<sup>II</sup>Cl(µ-Cl)]<sub>2</sub> (<b>1</b>) or its simple acetonitrile derivative, [(η<sup>6</sup>-C<sub>5</sub>Me<sub>4</sub>CH<sub>2</sub>)Ru<sup>II</sup>(CH<sub>3</sub>CN)Cl<sub>2</sub>] (<b>1a</b>). The [(η<sup>5</sup>-C<sub>5</sub>Me<sub>4</sub>CH<sub>2</sub>R)Ru(η<sup>6</sup>-arene)]<sup>+</sup> compounds can generally be quantitatively converted back into [(η<sup>5</sup>-C<sub>5</sub>Me<sub>4</sub>CH<sub>2</sub>R)Ru(CH<sub>3</sub>CN)<sub>3</sub>]<sup>+</sup> species by UV photolysis in CH<sub>3</sub>CN.
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