schiff base macrocycles
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Author(s):  
Ying Xiong ◽  
Chao Huang ◽  
Hongjuan Liu ◽  
Rui Yi ◽  
Bi-Xue Zhu ◽  
...  

Author(s):  
Mohammad T. Chaudhry ◽  
Miguel A. Soto ◽  
Francesco Lelj ◽  
Mark J. MacLachlan

Schiff-base macrocycles interact with ammonium-based guests to form threaded pseudorotaxanes or unthreaded external complexes, and tautomerize in the process.


ACS Nano ◽  
2019 ◽  
Vol 13 (3) ◽  
pp. 2840-2848 ◽  
Author(s):  
Huaiyu Chen ◽  
Chao Huang ◽  
Yaxin Deng ◽  
Qi Sun ◽  
Qi-Long Zhang ◽  
...  

2019 ◽  
Vol 72 (10) ◽  
pp. 805 ◽  
Author(s):  
Rajni K. Wilson ◽  
Sébastien Dhers ◽  
Stephen Sproules ◽  
Eric J. L. McInnes ◽  
Sally Brooker

Three manganese macrocyclic complexes of two anionic N4-donor [1+1] Schiff-base macrocycles that differ in ring size (14 versus 16 membered), HLEt and HLPr (obtained from condensation of diphenylamine-2,2′-dicarboxaldehyde and either diethylenetriamine or dipropylenetriamine), are reported. Specifically, a pair of monomeric complexes MnIILEt(NCS)(H2O) and [MnIIILPr(NCS)2]·0.5H2O, plus a dimeric complex [MnIV2LEt2(O)2](ClO4)2·3DMF have been synthesised and characterised. Single crystal structure determinations on [MnIIILPr(NCS)2]·0.5H2O and [MnIV2LEt2(O)2](ClO4)2·3DMF revealed octahedral manganese centres in both cases: N6-coordinated Jahn–Teller distorted MnIII in the former and a pair of N4O2-coordinated MnIV in the latter. UV-Vis, IR, and electron paramagnetic resonance spectroscopy as well as magnetic measurements are reported. These macrocyclic complexes feature a simple and original design, and could find future uses as models for manganese catalase or as building blocks for the assembly of larger supramolecular architectures.


2017 ◽  
Vol 46 (10) ◽  
pp. 3141-3149 ◽  
Author(s):  
Stuart J. Malthus ◽  
Rajni K. Wilson ◽  
A. Vikas Aggarwal ◽  
Scott A. Cameron ◽  
David S. Larsen ◽  
...  

Practical multi-step routes to 1,8-diformylcarbazole head units, and the first examples of Schiff base macrocycles derived from them, are reported. Like porphyrins, both macrocycles are shown to impose a strong ligand field.


2016 ◽  
Vol 27 (9) ◽  
pp. 1551-1553 ◽  
Author(s):  
Fang-Fang Wang ◽  
Ya-Xin Deng ◽  
Chao Huang ◽  
Qi-Long Zhang ◽  
Bi-Xue Zhu

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