✦ LIBER ✦

ChemInform Abstract: Asymmetric Michael Addition Mediated by Novel Cinchona Alkaloid-Derived Bifunctional Catalysts Containing Sulfonamides.

✍ Scribed by Jie Luo; Li-Wen Xu; Robyn Aik Siew Hay; Yixin Lu

Publisher: John Wiley and Sons
Year: 2009
Weight: 33 KB
Volume: 40
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200924022

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: Asymmetric Addition

ChemInform Abstract: Asymmetric Addition of Indoles to Isatins Catalyzed by Bifunctional Modified Cinchona Alkaloid Catalysts.

✍ Pankaj Chauhan; Swapandeep Singh Chimni 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 22 KB 👁 1 views

ChemInform Abstract: Asymmetric Synthesi

ChemInform Abstract: Asymmetric Synthesis of Fluorinated Flavanone Derivatives by an Organocatalytic Tandem Intramolecular Oxa-Michael Addition/Electrophilic Fluorination Reaction by Using Bifunctional Cinchona Alkaloids.

✍ Hai-Feng Wang; Hai-Feng Cui; Zhuo Chai; Peng Li; Chang-Wu Zheng; Ying-Quan Yang; 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 76 KB 👁 1 views

ChemInform Abstract: Highly Enantioselec

ChemInform Abstract: Highly Enantioselective Michael Addition of 3-Aryloxindoles to Phenyl Vinyl Sulfone Catalyzed by Cinchona Alkaloid-Derived Bifunctional Amine—Thiourea Catalysts Bearing Sulfonamide as Multiple Hydrogen-Bonding Donors.

✍ Mei-Xin Zhao; Wen-Hao Tang; Ming-Xiao Chen; Deng-Ke Wei; Tong-Lei Dai; Min Shi 📂 Article 📅 2012 🏛 John Wiley and Sons ⚖ 31 KB 👁 1 views

ChemInform Abstract: Tandem Intramolecul

ChemInform Abstract: Tandem Intramolecular Oxa-Michael Addition/Decarboxylation Reaction Catalyzed by Bifunctional Cinchona Alkaloids: Facile Synthesis of Chiral Flavanone Derivatives.

✍ Hai-Feng Wang; Hua Xiao; Xiao-Wei Wang; Gang Zhao 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 28 KB 👁 1 views

Highly Enantioselective Michael Addition

Highly Enantioselective Michael Addition of 3-Aryloxindoles to Phenyl Vinyl Sulfone Catalyzed by Cinchona Alkaloid-Derived Bifunctional Amine–Thiourea Catalysts Bearing Sulfonamide as Multiple Hydrogen-Bonding Donors

✍ Mei-Xin Zhao; Wen-Hao Tang; Ming-Xiao Chen; Deng-Ke Wei; Tong-Lei Dai; Min Shi 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 186 KB 👁 1 views

## Abstract A highly enantioselective Michael addition of 3‐aryloxindole to phenyl vinyl sulfone catalyzed by a quinine‐derived bifunctional amine–thiourea‐bearing sulfonamide as multiple hydrogen‐bonding donor catalyst has been investigated. The corresponding adducts, which contain a chiral quater