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Zinc Perchlorate Hexahydrate Catalyzed Conjugate Addition of Thiols to α,β-Unsaturated Ketones.

✍ Scribed by Sanjeev K. Garg; Raj Kumar; Asit K. Chakraborti

Publisher
John Wiley and Sons
Year
2005
Weight
18 KB
Volume
36
Category
Article
ISSN
0931-7597

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Enantioselective Organocatalytic Conjuga
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✍ Shaolin Zhu; You Wang; Dawei Ma 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 184 KB 👁 1 views

## Abstract The first example of an organocatalytic asymmetric Michael addition of aldehydes to α,β‐unsaturated thiol esters promoted by chiral diphenylprolinol silyl ether is presented. The reaction occurs with good yields, diastereoselectivity and excellent enantioselectivity.