Interplay of Lewis acidity, intramolecular O→Sn interactions and selectivity: organotin-functionalized crown ethers as ditopic hosts for sodium and potassium halides,Chemical Communications

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Interplay of Lewis acidity, intramolecular O→Sn interactions and selectivity: organotin-functionalized crown ethers as ditopic hosts for sodium and potassium halides
Chemical Communications ( IF 4.9 ) Pub Date : 2018-01-02 00:00:00 , DOI: 10.1039/c7cc09263f
Alain Charly Tagne Kuate _{1,

2,

3,

4,

5} , Muhammad Moazzam Naseer _{1,

2,

3,

4,

5} , Michael Lutter _{1,

2,

3,

4} , Klaus Jurkschat _{1,

2,

3,

4}

Affiliation

The increased Lewis acidity in organotin-functionalized crown ethers X₃SnCH₂[19]-crown-6 (5, X = I; 6, X = Br; 7, X = Cl) not only resulted in ditopic complexation of sodium/potassium halides, but also offers an excellent strategy to manipulate through intramolecular O→Sn interactions the selectivity of the crown ether moiety towards Na⁺/K⁺ depending on the solvent.

中文翻译：

Lewis酸度，分子内O→Sn相互作用和选择性之间的相互作用：有机锡官能化冠醚是卤化钠和卤化钾的二位主体

有机锡官能化冠醚X ₃ SnCH ₂ [19] -crown-6（5，X = I; 6，X = Br; 7，X = Cl）中路易斯酸的增加不仅导致钠/钾的二位络合卤化物，但也提供了一种出色的策略，可通过分子内O→Sn相互作用控制冠醚部分对Na ⁺ / K ⁺的选择性，具体取决于溶剂。

更新日期：2018-01-18

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