Synthesis and Chiral Recognition of a New Type of Chiral Calix[4]-arene Derivatives
โ Scribed by He Yong-Bing; Li Jian-Feng; Xiao Yuan-Jing; Wei Lan-Hua; Wu Xko-Jun; Meng Ling-Zhi
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 314 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0256-7660
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## Abstract Chiral nitrogenโcontaining calix[4]arene was easily synthesized by the reaction of 25,27โdi(2โbromoethoxy)โ26,28โdihydroxyโ5,11,17,23โtetrakis(__t__โbutyl)calix[4]arene with __S__โ((โ)โ1โphenylethylamine in excellent yield, and showed good ability to recognize the enantiomers of mandeli
Synthesis of Chiral Calix(n)arenes. Part 1. A Synthetic Approach Towards a New Enantiomerically Pure Calix(8)arene Derivative. -A chiral calix(8)arene is prepared in three steps starting from (-)-menthone. -(JAUCH, J.