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Studies on synthesis and anion recognition properties of (3′-nitrobenzo)[2,3-d]-(3″-nitrobenzo)[9,10-d]-1,4,8,11-tetraazacyclotetradecane-5,7,12,14-tetraone

✍ Scribed by Xue-Fang Shang; Xiu-Fang Xu; Hai Lin; Jie Shao; Hua-Kuan Lin

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
157 KB
Volume
20
Category
Article
ISSN
0952-3499

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✦ Synopsis

Abstract

A novel artificial receptor, (3′‐nitrobenzo)[2,3‐d]‐(3″‐nitrobenzo)[9,10‐d]‐1,4,8,11‐tetraazacyclotetradecane‐5,7,12,14‐tetraone, was designed and synthesized. The interactions of this receptor with different anions were determined by UV‐vis and ^1^H NMR titration experiments, and their affinity constants to different anions were compared with those of other similar/different systems. The results indicated that this receptor showed a high selective and recognitive ability for F^−^ among F^−^, Cl^−^, Br^−^, I^−^, AcO^−^, OH^−^, and H~2~PO. Moreover, the low energy configuration of this receptor was further determined by means of theoretical investigations. Copyright © 2007 John Wiley & Sons, Ltd.

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