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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 1
BKCSDE 32(1)
January 20, 2011 

 
Title
Organocatalytic enantioselective Michael addition of a-nitroacetate to a,b-unsaturated enones: A route to chiral g-nitro ketones and d-keto esters
Author
Hyoung Wook Moon, Dae Young Kim*
Keywords
Bifunctional organocatalysts, Asymmetric catalysis, Michael reaction, α-Nitroacetate, γ-Nitro ketones, δ-Keto esters
Abstract
The catalytic enantioselective conjugate addition reaction of α-nitroacetate to α,β-unsaturated enones promoted by chiral bifunctional organocatalysts is described. The treatment of α-nitroacetate to α,β-unsaturated enones afforded the corresponding Michael adducts with high enantioselectivity. The conjugate addition adducts are easily converted to chiral γ-nitro ketones and δ-keto esters.
Page
291 - 295
Full Text
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