期刊
INORGANIC CHEMISTRY
卷 61, 期 13, 页码 5343-5351出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.2c00123
关键词
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资金
- National Natural Science Foundation of China [22101060, 22001047, 22101302, 21971257]
- Science and Technology Research Project of Guangzhou [202102021128, 202102010432, 202102020266]
- Fundamental Research Funds for the Central Universities of Central South University [2021zzts0523]
This article reports the synthesis of a novel organic ligand LA and the characterization of its reaction products with tailored metal-organic ligands. Various experimental methods and molecular modeling were employed to provide structural information and elucidate the isomeric separation process, revealing the rotational properties of the ligand.
In an effort to construct molecules with distinct shapes and functions, the design and synthesis of multitopic ligands are often able to play an important role. Here, we report the synthesis of a novel tetratopic organic ligand LA, which can be viewed as a bis-tenon with successive angular orientations in space. The particular ligand has been treated with different tailored metal-organic ligands to afford new members of the molecular wheel family (multi-rhomboidal-shaped wheel and bis-trapezium-shaped wheel) that show enhanced stability. Two-dimensional (2D) diffusion nuclear magnetic resonance (NMR) spectroscopy (DOSY), electrospray ionization (ESI) mass spectrometry, traveling wave ion mobility (TWIM), and gradient tandem mass spectrometry (gMS(2)) experiments, as well as molecular modeling, have been employed to provide structural information and differentiate the isomeric separation process. In addition, considering that LA has rotational properties, it is expected to open the door to functional supramolecules and stimuli-responsive materials.
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