Diverse anion exchange of pliable [X2@Pd3L4]4+ double cages: a molecular ruler for recognition of polyatomic anions

被引：17
|
作者：
Sarada, Ganguri [1 ]
Kim, Ahreum [1 ]
Kim, Dongwon [1 ]
Jung, Ok-Sang [1 ]
机构：
[1] Pusan Natl Univ, Dept Chem, Pusan 46241, South Korea
来源：
DALTON TRANSACTIONS | 2020年 / 49卷 / 19期
基金：
新加坡国家研究基金会;
关键词：
ION-EXCHANGE; BINDING; METAL; MULTICAVITY; CHEMISTRY; LIGAND; NO3;
D O I：
10.1039/d0dt01027h
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reaction of Pd(BF4)(2) with L (L = bis(pyridin-3-yl-propyl)pyridine-3,5-dicarboxylate) in the 1: 2 mole ratio gives rise to a spiro-type [PdL2]center dot(BF4)(2)center dot 2C(6)H(6)center dot 2CH(3)CN, and further self-assembly of [PdL(2)1 center dot(BF4)(2)center dot 2C(6)H(6)center dot 2CH(3)CN with Pd(NO3)(2) in the 2:1 mole ratio in Me 2 SO at 90 degrees C produces a uniquely pliable double cage of [(NO3)(2)(H2O)(2)@Pd3L4](BF4)(4)center dot 6C(3)H(7)NO. Both the encapsulated NO3- and the outside BF4- anions are exchanged by X- to form [(X)(2)@Pd3L4](X')(4) (X- = PF6-, ClO4-, and/or NO3- ; X'(-) = BF4-, PF6-, ClO4-, and NO3-) with all-inclusive pure or mixed anions. The pliable and characteristic properties of the double cages were confirmed by anion exchange of the nestled or outside anions in the present study. This system can be used as a ruler for recognition of ubiquitous polyatomic anions.
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收藏
页码：6183 / 6190
页数：8
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