Formation of pseudo[3]rotaxanes containing calix-bis-crowns and secondary ammonium ions and their thermodynamic stabilities in a solution: preorganization by second macrocycle and nonallosteric behavior exhibited by large crown cavities

Formation of pseudo[3]rotaxanes containing calix-bis-crowns and secondary ammonium ions and their thermodynamic stabilities in a solution: preorganization by second macrocycle and nonallosteric behavior exhibited by large crown cavities

Material type: 文書・図像類

Author: Tokunaga, Yujiほか

Publisher: Elsevier

Publication date: 2013-12

Material Format: Digital

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Note (General)：: This paper describes the formation of pseudo[3]rotaxanes containing calix[4]-bis-crowns, exhibiting a 1,3-alternate conformation and large crown cavit...

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Material Type: 文書・図像類
Title: Formation of pseudo[3]rotaxanes containing calix-bis-crowns and secondary ammonium ions and their thermodynamic stabilities in a solution: preorganization by second macrocycle and nonallosteric behavior exhibited by large crown cavities
Author/Editor: Tokunaga, Yuji
Hayakawa, Kentaroh
Miyashita, Junichi
Kawasaki, Tsuneomi
Miyagawa, Shinobu
Author Heading: Tokunaga, Yuji
Hayakawa, Kentaroh
Miyashita, Junichi
Kawasaki, Tsuneomi
Miyagawa, Shinobu
Publication, Distribution, etc.: Elsevier
Publication Date: 2013-12
Publication Date (W3CDTF): 2013-12
Periodical title: Tetrahedron Letters
No. or year of volume/issue: 54 60
Volume: 54
Issue: 60
Pages: 6829-6833
Text Language Code: eng
Subject Heading: Rotaxane
calixarene
crown ether
thermodynamic stability
hydrogen bond
Target Audience: 一般
Note (General): This paper describes the formation of pseudo[3]rotaxanes containing calix[4]-bis-crowns, exhibiting a 1,3-alternate conformation and large crown cavities, and secondary ammonium ions. The first and second association constants of pseudo[3]rotaxane formation are moderate (K1 = 175, K2 = 100 M-1) and are higher than that of the corresponding pseudo[2]rotaxane (K = 24 M-1), consisting of a calix[4]-mono-crown and the same secondary ammonium ion.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ