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The Syntheses of new Camphorsulfonylated Ligands Derived from 2-Amino-2′-Hydroxy-1,1′-Binaphthyl and Their Enantioselectivities in the Addition of Dialkylzinc Reagents to Aldehydes

✍ Scribed by Guangling Bian; Huayin Huang; Hua Zong; Ling Song


Book ID
112049504
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
818 KB
Volume
24
Category
Article
ISSN
0899-0042

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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