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Dive into the research topics where Tiffany Dubé is active.

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Featured researches published by Tiffany Dubé.


Angewandte Chemie | 1999

Tetrametallic Reduction of Dinitrogen: Formation of a Tetranuclear Samarium Dinitrogen Complex.

Tiffany Dubé; Sabrina Conoci; Sandro Gambarotta; Glenn P. A. Yap; Giuseppe Vasapollo

The cooperative attack of four (dipyrromethanyl)Sm(II) units on dinitrogen resulted in a novel tetranuclear samarium dinitrogen complex (shown schematically). The presence of halogen atoms inhibited reactivity with dinitrogen through the assembly of divalent samarium clusters. dipyrr=diphenylmethyldipyrrolide dianion.


Angewandte Chemie | 1999

Reversible Fixation of Ethylene on a SmII Calix-Pyrrole Complex

Tiffany Dubé; Sandro Gambarotta; Glenn P. A. Yap

Reversible ethylene fixation in lanthanide chemistry is demonstrated by the SmII derivatives [R8 -calix-pyrrole)(Et2 O)Sm{Li(thf)2 }{Li(μ3 -OCH=CH2 )}] (R=Et, {-(CH2 )5 -}0.5 ), which react with ethylene to afford the corresponding dinuclear complexes (see picture).


Angewandte Chemie | 1999

Stickstoffixierung: Reduktion von N2 durch vier Metallfragmente unter Bildung eines vierkernigen Samarium-Distickstoffkomplexes

Tiffany Dubé; Sabrina Conoci; Sandro Gambarotta; Glenn P. A. Yap; Giuseppe Vasapollo

Der kooperative Angriff von vier (Dipyrromethanyl)SmII-Einheiten auf ein Stickstoffmolekul fuhrte zu einem vierkernigen Samarium-Distickstoffkomplex (schematisch gezeigt). Halogenatome verhindern die Reaktion mit Stickstoff, indem sie die zweiwertigen Samariumcluster abfangen. dipyrr=Diphenylmethyldipyrrolid-Dianion.


Organometallics | 2002

Cyclic Di- and Mixed-Valent Ytterbium Complexes Supported by Dipyrrolide Ligands

Dominique M. M. Freckmann; Tiffany Dubé; Christian D. Berube; Sandro Gambarotta; Glenn P. A. Yap


Organometallics | 1998

Preparation and Reactivity of a Compartmental Schiff-Base Samarium Dinuclear Complex

Tiffany Dubé; Sandro Gambarotta, ,† and; Glenn P. A. Yap


Organometallics | 2000

Tetrametallic Divalent Samarium Cluster Hydride and Dinitrogen Complexes

Tiffany Dubé; Mani Ganesan; Sabrina Conoci; Sandro Gambarotta, ,† and; Glenn P. A. Yap


Organometallics | 2000

Dinitrogen Labile Coordination versus Four-Electron Reduction, THF Cleavage, and Fragmentation Promoted by a (calix-tetrapyrrole)Sm(II) Complex

Jingwen Guan; Tiffany Dubé; and Sandro Gambarotta; Glenn P. A. Yap


Organometallics | 2000

Dinuclear Complexes of Di-, Tri-, and Mixed-Valent Samarium Supported by the Calix-tetrapyrrole Ligand

Tiffany Dubé; and Sandro Gambarotta; Glen P. A. Yap


Organometallics | 2000

Divalent and Mixed-Valence Samarium Clusters Supported by Dipyrrolide Ligand

Tiffany Dubé; Sabrina Conoci; and Sandro Gambarotta; Glenn P. A. Yap


Organometallics | 2000

Samarium Hydride, Methyl, and Vinyl Complexes Supported by Calix-tetrapyrrole Ring Macrocycle. Thermal Decomposition to Samarium(II)

Tiffany Dubé; and Sandro Gambarotta; Glenn P. A. Yap

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