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Synthesis of Sulfur-Substituted α-Stereogenic Amides and Ketones: Highly Enantioselective Sulfa-Michael Additions of 1,4-Dicarbonylbut-2-enes

✍ Scribed by Fangli Zhao; Wen Zhang; Yuanyong Yang; Yuanhang Pan; Wenchao Chen; Hongjun Liu; Lin Yan; Choon-Hong Tan; Zhiyong Jiang

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
213 KB
Volume
353
Category
Article
ISSN
1615-4150

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Synthesis of α-Stereogenic Amides and Ketones by Enantioselective Conjugate Addition of 1,4-Dicarbonyl But-2-enes
✍ Zhiyong Jiang; Yuanyong Yang; Yuanhang Pan; Yujun Zhao; Hongjun Liu; Choon-Hong 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 265 KB

## Abstract **Constructing α‐stereogenic amides and ketones**: The highly regioselective and enantioselective conjugate addition of 1,3‐dicarbonyl compounds to 1,4‐dicarbonyl but‐2‐enes has been developed with the chiral bicyclic guanidine as catalyst (__ee__ values up to 97 %; see scheme).magnifie