4.7 Article

Formation of sandwich, macrocyclic and box supramolecular assemblies that were controlled by the distance of two oxygen atoms in hydrogen bonding donors

期刊

CRYSTENGCOMM
卷 23, 期 28, 页码 4901-4904

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ce00644d

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资金

  1. National Natural Science Foundation of China [21602055, 51772091]
  2. Natural Science Foundation of Hunan Province [2017JJ3094]
  3. Construct Program of Applied Characteristic Discipline in Hunan University of Science and Engineering

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The sandwich, macrocycle, and box supramolecular assemblies were synthesized from the reaction of 1,8-bis(4-pyridylethynyl)anthracene 1 with various phenolic compounds; investigation of their crystal structures indicated that the distance between two oxygen atoms in a hydrogen bonding donor is crucial for the formation of these supramolecular assemblies.
Sandwich 1(2).2, macrocyclic 1.3 and box 1(2).4(2) supramolecular assemblies were synthesized by the reaction of 1,8-bis(4-pyridylethynyl)anthracene 1 with hydroquinone 2, resorcinol 3 and 1,5-dihydroxynaphthalene 4 via hydrogen-bonding interactions, respectively. The formed sandwiches, macrocycles and boxes can further self assemble to form a double-layer supramolecular polymer, nanotubes and a one-dimensional iron chain type supramolecular polymer. Investigation of their crystal structures revealed that the distance between two oxygen atoms in a hydrogen bonding donor play an important role in the formation of supramolecular assemblies.

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