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Hydrogen-Transfer Catalysis with Pincer-Aryl Ruthenium(II) Complexes

✍ Scribed by Paulo Dani; Thomas Karlen; Robert A. Gossage; Serafino Gladiali; Gerard van Koten

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
82 KB
Volume
112
Category
Article
ISSN
0044-8249

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✦ Synopsis

Complexes of pincerlike aryl ligands such as 1 Β± 3 belong to a new class of homogeneous catalytic systems that contain a stable metal Β± carbon s bond. [1, 2a] Such organometallic complexes have already been used in a number of metal-mediated organic transformations, for example, dehydrogenation, [2a] asymmetric allylic alkylation, [2b] asymmetric aldol condensation, [2c,d] Heck reactions, [1b] atom-transfer radical polymerization (ATRP), and Kharasch addition (ATRA). [2e,f] Additionally, the terdentate pincer ligand stabilizes complexes with unusual geometries or oxidation states. [2fΒ±i]

πŸ“œ SIMILAR VOLUMES

Novel P-Stereogenic PCP Pincer-Aryl Ruth
Novel P-Stereogenic PCP Pincer-Aryl Ruthenium(II) Complexes and Their Use in the Asymmetric Hydrogen Transfer Reaction of Acetophenone
✍ Serenella Medici; Marcella Gagliardo; Scottβ€…B. Williams; Prestonβ€…A. Chase; Seraf πŸ“‚ Article πŸ“… 2005 πŸ› John Wiley and Sons 🌐 German βš– 137 KB

## Abstract Achiral P‐donor pincer‐aryl ruthenium complexes ([RuCl(PCP)(PPh~3~)]) 4c,d were synthesized __via__ transcyclometalation reactions by mixing equivalent amounts of [1,3‐phenylenebis(methylene)]bis[diisopropylphosphine] (2c) or [1,3‐phenylenebis(methylene)]bis[diphenylphosphine] (2d) and