期刊
NEW JOURNAL OF CHEMISTRY
卷 35, 期 9, 页码 1781-1786出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1nj20185a
关键词
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资金
- National Natural Science Foundation of China [20973136, 20974028, 20732004]
- Natural Science Foundation of Fujian Province [2010J01048]
Atropisomerism is one of the basic concepts in stereochemistry. Chiral crystals of stereochemically labile atropisomers that originated from Mirror Symmetry Breaking (MSB) can only be characterized by solid-state chiroptical techniques. Herein, solid-state circular dichroism and UV-Vis spectra of six atropisomeric compounds (most of them were obtained from MSB) have been studied. A concentration effect including a wavelength shift and inverse concentration-dependence has been found and preliminarily explained by the absorption flattening effect, scattering effect and the torsion in the molecular structures.
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