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ChemInform Abstract: 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
2012
Weight
54 KB
Volume
43
Category
Article
ISSN
0931-7597

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Synthesis of α-Stereogenic Amides and Ke
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 👁 1 views

## 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