Details

Autor(en) / Beteiligte

• Bühler, Raphael
• Muhr, Maximilian
• Stephan, Johannes
• Wolf, Robert A
• Schütz, Max
• Gemel, Christian
• Fischer, Roland A

Titel

Photochemically generated reactive sites at ruthenium/gallium complexes: catalysis . cluster growth

Ist Teil von

• Dalton transactions : an international journal of inorganic chemistry, 2023-08, Vol.52 (31), p.195-191

Erscheinungsjahr

2023

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Irradiation of [Ru(GaCp*) 3 (SiEt 3 )H 3 ] ( 1 ) at 350 nm induces reductive elimination of dihydrogen and triethylsilane and generates unsaturated Ru/Ga species. This photochemically induced cascading reductive elimination processes generate the reactive intermediate [Ru(GaCp*) 3 ], which can be trapped by diphosphine coordination to yield the stable complex [(dppe)Ru(GaCp*) 3 ] ( 4 ). The photochemically generated RuGa 3 species is catalytically active in the hydrogenation of alkynes, which is further investigated by 1 H NMR and mass spectrometry. Formation of intermetallic Ru/Ga clusters is observed as a competing and for the catalytic activity of the species limiting side reaction. Reactive bimetallic species are photochemically formed through irradiation. These species are catalytically active or participate in cluster growth reactions.