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Chiral Ruthenium-Catalyzed Hydrogenation of β-Keto Sulfoxides

✍ Scribed by Sébastien Duprat De Paule; Laurent Piombo; Virginie Ratovelomanana-Vidal; Christine Greck; Jean-Pierre Genêt

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
218 KB
Volume
2000
Category
Article
ISSN
1434-193X

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✦ Synopsis

The diastereoselective catalytic hydrogenation of β-keto sulfoxides in the presence of ruthenium complexes was studied. Optically pure β-keto sulfoxides were hydrogenated in the presence of achiral catalysts leading to moderate yields and stereoselectivities. Using chiral ruthenium catalysts such as

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Ruthenium-Catalyzed Asymmetric Hydrogena
Ruthenium-Catalyzed Asymmetric Hydrogenation of β-Keto- enamines: An Efficient Approach to Chiral γ-Amino Alcohols
✍ Huiling Geng; Xiaowei Zhang; Mingxin Chang; Le Zhou; Wenjun Wu; Xumu Zhang 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 173 KB 👁 1 views

## Abstract A highly efficient and enantioselective hydrogenation of unprotected β‐ketoenamines catalyzed with ruthenium(II) dichloro{(__S__)‐(−)‐2,2′‐bis[di(3,5‐xylyl)phosphino]‐1,1′‐binaphthyl}[(2__S__)‐(+)‐1,1‐bis(4‐methoxyphenyl)‐3‐methyl‐1,2‐butanediamine] {Ru[(__S__)‐xylbinap][(__S__)‐daipen]