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ChemInform Abstract: Asymmetric Conjugate Addition to Cyclic Enone Catalyzed by Cu-NHC Complexes with C2 Symmetry.

✍ Scribed by Fengjun Shan; Lan Jiang; Zhengning Li; Defeng Zhao


Publisher
John Wiley and Sons
Year
2011
Weight
27 KB
Volume
42
Category
Article
ISSN
0931-7597

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✦ Synopsis


Abstract

If cyclopent‐2‐enone (IV) instead of cyclohex‐2‐enone (I) is used for the title reaction, the stereochemistry is reversed and the enantioselectivity is much lower.


📜 SIMILAR VOLUMES


Asymmetric Conjugate Addition to Cyclic
✍ Fengjun Shan; Lan Jiang; Zhengning Li; Defeng Zhao 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 108 KB

## Abstract A series of chiral, __C__~2~ symmetric tridentate __N__‐heterocyclic carbene precursors, containing two __N__‐functionalized hydroxyl or alkoxyl groups, were synthesized. They were applied to catalyze the asymmetric conjugate addition of diethylzinc to cyclohex‐2‐enone and cyclopent‐2‐e