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Synthesis of Enantiopure Axially Chiral C 3 -Symmetric Tripodal Ligands and Their Application as Catalysts in the Asymmetric Addition of Dialkylzinc to Aldehydes †

✍ Scribed by Bringmann, Gerhard; Pfeifer, Robert-Michael; Rummey, Christian; Hartner, Kristina; Breuning, Matthias


Book ID
118030843
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
256 KB
Volume
68
Category
Article
ISSN
0022-3263

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Synthesis of new C2-symmetrical bis(hydr
✍ Miguel Yus; Diego J. Ramón; Oscar Prieto 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 238 KB

The preparation of several C 2 -symmetric disulfonamides derived from chiral camphorsulfonyl chloride and different diamines (with or without stereogenic elements) is described. Their use in the titanium tetraisopropoxide-promoted enantioselective addition of dialkylzinc reagents to aldehydes has be