Light-controlled switchable complexation by a non-photoresponsive hydrogen-bonded amide macrocycle,Organic Chemistry Frontiers

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Light-controlled switchable complexation by a non-photoresponsive hydrogen-bonded amide macrocycle
Organic Chemistry Frontiers ( IF 4.6 ) Pub Date : 2020/02/06 , DOI: 10.1039/d0qo00116c
Sudarshana Santhosh Kumar Kothapalli _{1,

2,

3,

4,

5} , Vijaya Kumar Kannekanti _{1,

2,

3,

4,

5} , Zecong Ye _{1,

2,

3,

4,

5} , Zhiyao Yang _{1,

2,

3,

4,

5} , Lixi Chen _{1,

2,

3,

4,

5} , Yimin Cai _{1,

2,

3,

4,

5} , Beichen Zhu _{1,

2,

3,

4,

5} , Wen Feng _{1,

2,

3,

4,

5} , Lihua Yuan _{1,

2,

3,

4,

5}

Affiliation

A new photoswitchable host–guest system based on a non-photoresponsive hydrogen-bonded (H-bonded) amide macrocycle and pyridinium salts was developed. The host was found to be capable of forming stable complexes with the analyzed protonated pyridine derivatives. In particular, the guest capture and release process could be reversibly controlled to a great extent via proton transfer by light stimulus with merocyanine 1-MEH. The present study offers a rare example of a photo-responsive 2D shape-persistent H-bonded macrocyclic host–guest system, which may find applications in constructing interlocked molecular architectures.

中文翻译：

非光响应氢键酰胺大环的光控可转换络合

基于非光响应氢键（H键）酰胺大环化合物和吡啶鎓盐，开发了一种新的可光转换主客体系统。发现该主体能够与所分析的质子化吡啶衍生物形成稳定的络合物。特别地，客体的捕获和释放过程可以通过用花菁1- MEH进行光刺激通过质子转移而在很大程度上可逆地控制。本研究提供了一个光响应的2D形状持久性H键结合的大环主客体系统的稀有例子，该系统可能会在构建互锁分子结构中找到应用。

更新日期：2020-03-19

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