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Design and synthesis of some new C2-symmetric chiral disulfonamides from aminoacids and the application in diethyl zinc addition to benzaldehyde

✍ Scribed by Wang Jian-Qiang; Zhong Min; Lin Guo-Qiang


Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
680 KB
Volume
16
Category
Article
ISSN
0256-7660

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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