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Asymmetric Michael Addition of Substituted Rhodanines to α,β-Unsaturated Ketones Catalyzed by Bulky Primary Amines

✍ Scribed by Yu, Feng; Hu, Haoxiang; Gu, Xiaodong; Ye, Jinxing

Book ID
118067408
Publisher
American Chemical Society
Year
2012
Tongue
English
Weight
823 KB
Volume
14
Category
Article
ISSN
1523-7060

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✍ Guangcun Zhang; Yifeng Wang; Wei Zhang; Xiangsheng Xu; Aiguo Zhong; Danqian Xu 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 443 KB

## Abstract A highly efficient organocatalytic synthesis of lapachol analogues from the Michael addition of naphthoquinone to various α,β‐unsaturated ketones catalyzed by primary amines is presented. Good to high yields (up to 93 %) and high to excellent enantioselectivities (up to 98 % __ee__) wer