2026-04-17T06:39:44Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/86102024-02-08T01:05:27Zcom_10259_3592com_10259_3591com_10259.4_106com_10259_2604com_10259_3924com_10259_5086col_10259_3930col_10259_3925
Repositorio Institucional de la Universidad de Burgos
author
Matarranz, Beatriz
author
Díaz Cabrera, Sandra
author
Ghosh, Goutam
author
Carreira Barral, Israel
author
Soberats, Bartolomé
author
García Valverde, María
author
Quesada Pato, Roberto
author
Fernández, Gustavo
2024-02-07T08:20:25Z
2024-02-07T08:20:25Z
2023-02
1433-7851
http://hdl.handle.net/10259/8610
10.1002/anie.202218555
1521-3773
After more than three decades of extensive investigations on supramolecular polymers, strategies for self-limiting growth still remain challenging. Herein, we exploit a new V-shaped monomer design to achieve anticooperatively formed oligomers with superior robustness and high luminescence. In toluene, the monomer-oligomer equilibrium is shifted to the monomer side, enabling the elucidation of the molecular packing modes and the resulting (weak) anticooperativity. Steric effects associated with an antiparallel staircase organization of the dyes are proposed to outcompete aromatic and unconventional B−F⋅⋅⋅H−N/C interactions, restricting the growth at the stage of oligomers. In methylcyclohexane (MCH), the packing modes and the anticooperativity are preserved; however, pronounced solvophobic and chain-enwrapping effects lead to thermally ultrastable oligomers. Our results shed light on understanding anticooperative effects and restricted growth in self-assembly.
eng
Atribución-NoComercial 4.0 Internacional
Anticooperative Supramolecular Oligomerization Mediated by V‐Shaped Monomer Design and Unconventional Hydrogen Bonds
info:eu-repo/semantics/article
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URL
https://riubu.ubu.es/bitstream/10259/8610/1/Matarranz-aiec_2023.pdf
File
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1105874
application/pdf
Matarranz-aiec_2023.pdf