A 1H NMR study on the complexation of tetraalkylammonium cations, mono and diprotonated amines, and amino acids with a derivatized cyclotetrachromotropylene in an aqueous solution

被引:6
作者
Poh, BL [1 ]
Teem, CM [1 ]
机构
[1] Univ Sains Malaysia, Sch Chem Sci, George Town 11800, Malaysia
关键词
complexation; stability constant; tetraalkylammonium cations; protonated amines; amino acids; derivatized cyclotetrachromotropylene;
D O I
10.1016/j.tet.2005.03.032
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The derivatized cyclotetrachromotropylene host forms complexes of 1: 1 host to guest stoichiometry with tetraalkylammonium cations and amino acids whereas complexes of 1:2 host to guest stoichiometry are formed with mono and diprotonated amines in an aqueous solution. Both electrostatic and hydrophobic interactions are involved in the complexation. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:5123 / 5129
页数:7
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