Bis-pyridine-tetramide 18-membered macrocycles. Role of increased preorganisation on Ag+/Pb2+ selectivity

被引:17
作者
Kumar, S [1 ]
Hundal, G [1 ]
Kaur, N [1 ]
Hundal, MS [1 ]
Singh, H [1 ]
机构
[1] GURU NANAK DEV UNIV, DEPT CHEM, AMRITSAR 143005, PUNJAB, INDIA
关键词
D O I
10.1016/S0040-4039(96)02234-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Enhanced preorganisation induced by four substituted amide groups in macrocycles 4a and 4b increases the Ag+ extraction efficiency by >30% to 74 - 81% and Ag+/Pb2+ selectivity by >300% to 245 - 283 times than in 1. Copyright (C) 1996 Published by Elsevier Science Ltd
引用
收藏
页码:131 / 132
页数:2
相关论文
共 7 条
[1]   DISPIROMACROCYCLES - A CLASS OF DIAMIDE AND DIIMIDE IONOPHORES [J].
BELL, TW ;
CHOI, HJ ;
HIEL, G .
TETRAHEDRON LETTERS, 1993, 34 (06) :971-974
[2]   MACROCYCLIC DILACTAMS WITH PENDANT ACIDIC FUNCTIONS AS DISCRIMINATING AGENTS FOR LANTHANIDE IONS [J].
CATHALA, B ;
PICARD, C ;
CAZAUX, L ;
TISNES, P ;
MOMTCHEV, M .
TETRAHEDRON, 1995, 51 (04) :1245-1252
[3]  
HUNDAL G, UNPUB
[4]   Synthesis and association behaviour of pyridine based 18-membered diamide - Diester - Thioether macrocycles. [J].
Kumar, S ;
Kaur, N ;
Singh, H .
TETRAHEDRON LETTERS, 1996, 37 (12) :2071-2072
[5]   Remarkable effect of amide substituents on molecular organisation of silver selective pyridine-diamide-diester receptors [J].
Kumar, S ;
Hundal, MS ;
Kaur, N ;
Singh, R ;
Singh, H .
TETRAHEDRON LETTERS, 1995, 36 (52) :9543-9546
[6]  
KUMAR S, 1996, TETRAHEDRON
[7]  
KUMAR S, 1996, J ORG CHEM