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ChemInform Abstract: Isosteviol—Proline Conjugates as Highly Efficient Amphiphilic Organocatalysts for Asymmetric Three-Component Mannich Reactions in the Presence of Water.

✍ Scribed by Ya-Jie An; Chuan-Chuan Wang; Zi-Ping Liu; Jing-Chao Tao

Book ID: 112045080
Publisher: John Wiley and Sons
Year: 2012
Weight: 34 KB
Volume: 43
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201223094

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IsosteviolProline Conjugates as Highly E

IsosteviolProline Conjugates as Highly Efficient Amphiphilic Organocatalysts for Asymmetric Three-Component Mannich Reactions in the Presence of Water

✍ Ya-Jie An; Chuan-Chuan Wang; Zi-Ping Liu; Jing-Chao Tao 📂 Article 📅 2012 🏛 John Wiley and Sons 🌐 German ⚖ 235 KB

## Abstract In this work, six isosteviolamino acid conjugates were designed and synthesized through simple condensation on a large scale without protecting group (__Scheme__). These amphiphilic organocatalysts mediated asymmetric three‐component __Mannich__ reactions of cyclohexanone and anilines

ChemInform Abstract: Isosteviol-amino Ac

ChemInform Abstract: Isosteviol-amino Acid Conjugates as Highly Efficient Organocatalysts for the Asymmetric One-Pot Three-Component Mannich Reactions.

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## Abstract The respective catalysts (I) and (II) are prepared from isosteviol in a three‐step synthesis.

Isosteviol-amino Acid Conjugates as High

Isosteviol-amino Acid Conjugates as Highly Efficient Organocatalysts for the Asymmetric One-pot Three-component Mannich Reactions

✍ Yajie An; Qian Qin; Chuanchuan Wang; Jingchao Tao 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 103 KB 👁 1 views

ChemInform Abstract: Simple Amphiphilic

ChemInform Abstract: Simple Amphiphilic Isosteviol—Proline Conjugates as Chiral Catalysts for the Direct Asymmetric Aldol Reaction in the Presence of Water.

✍ Ya-Jie An; Yun-Xiao Zhang; Ya Wu; Zhao-Min Liu; Chao Pi; Jing-Chao Tao 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 46 KB 👁 2 views

Simple amphiphilic isosteviol–proline co

Simple amphiphilic isosteviol–proline conjugates as chiral catalysts for the direct asymmetric aldol reaction in the presence of water

✍ Ya-Jie An; Yun-Xiao Zhang; Ya Wu; Zhao-Min Liu; Chao Pi; Jing-Chao Tao 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 722 KB

ChemInform Abstract: A Highly Efficient,

ChemInform Abstract: A Highly Efficient, Large-Scale, Asymmetric Direct Aldol Reaction Employing Simple Threonine Derivatives as Recoverable Organocatalysts in the Presence of Water.

✍ Chuanlong Wu; Xiangkai Fu; Shi Li 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 39 KB 👁 3 views

## Abstract The catalyst is easily prepared in a single step, only 5 mol% are used, it is easily recovered and reused without significant loss of activity or stereoselectivity and the aldol reaction can be performed on a large scale.