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N,N′ -Dioxide-Scandium(III)-Catalyzed Asymmetric Michael Addition of β,γ-Unsaturated Butenolides to α,β-Unsaturated γ-Keto Esters

✍ Scribed by Ji, Jie; Lin, Lili; Zhou, Lin; Zhang, Yuheng; Liu, Yangbin; Liu, Xiaohua; Feng, Xiaoming

Book ID
121391742
Publisher
John Wiley and Sons
Year
2013
Tongue
English
Weight
366 KB
Volume
355
Category
Article
ISSN
1615-4150

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Enantioselective Michael additions of β-
Enantioselective Michael additions of β-keto esters to α,β-unsaturated carbonyl compounds catalyzed by a chiral biquinoline N,N′-dioxide–scandium trifluoromethanesulfonate complex
✍ Makoto Nakajima; Satoshi Yamamoto; Yukiko Yamaguchi; Seiichi Nakamura; Shunichi 📂 Article 📅 2003 🏛 Elsevier Science 🌐 French ⚖ 193 KB

A catalytic, enantioselective Michael addition of b-keto esters to a,b-unsaturated carbonyl compounds was achieved by using a chiral biquinoline N,N 0 -dioxide-scandium trifluoromethanesulfonate complex as a catalyst. The corresponding Michael adducts were obtained in high yields and with enantiosel