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Asymmetric cyclopropanation of chalcones using chiral phase-transfer catalysts

โœ Scribed by Herchl, Richard; Waser, Mario


Book ID
120181856
Publisher
Elsevier Science
Year
2013
Tongue
French
Weight
274 KB
Volume
54
Category
Article
ISSN
0040-4039

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Asymmetric Cyclopropanation of Olefins with Diazoacetate Using Chiral Copper Catalysts. -Chiral 2-(2-sulfonylamino)phenyl-oxazolines and especially the oxazoline shown in A) are found to be efficient ligands for Cucatalyzed enantioselective cyclopropanation of olefins. The substitution pattern of th