Carbamate-appended Zn-porphyrin: a neutral receptor for anions

被引：14

作者：

Kim, YH ^{[1
]}

Hong, JI ^{[1
]}

机构：

[1] Seoul Natl Univ, Sch Chem & Mol Engn, Seoul 151742, South Korea

来源：

TETRAHEDRON LETTERS | 2000年 / 41卷 / 22期

关键词：

anion recognition; hydrogen bonding; metal-ligand interaction; Zn-porphyrin; carbamate;

D O I：

10.1016/S0040-4039(00)00671-7

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new neutral anion receptor that contains a unique combination of an immobilized Lewis acidic binding site and carbamate groups enabling additional hydrogen bonds with a coordinated anion guest has been developed. UV-vis titration binding studies revealed the free-base porphyrin 1 and ZnTPP to be poor complexing agents for anions. In contrast, the zinc metalloporphyrin receptor 2 strongly bound anionic guests and selectivity trends turned out to be dependent upon the anion basicity and geometrical corn; plementarity between 2 and the guest. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：4419 / 4423

页数：5

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