4.7 Article

cis alkenes stabilized by intramolecular sulphurMIDLINE HORIZONTAL ELLIPSISπ interactions

期刊

CHEMICAL COMMUNICATIONS
卷 56, 期 5, 页码 814-817

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cc08558k

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资金

  1. National Natural Science Foundation of China [21871133, 21601060]
  2. Natural Science Foundation of Jiangsu Province [BK20171334]
  3. Natural Science Foundation of the Jiangsu Higher Education Institutions of China [19KJB150022]
  4. Science, Technology and Innovation Commission of Shenzhen Municipality [JCYJ20180307153251975]

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A series of alkenes with bistable isomers were obtained containing a thiophene/azoheteroaryl backbone. Visible light and heat-induced reversible cis trans isomerizations were evidenced by UV-Vis and H-1 NMR spectra. The stabilization of cis alkenes was attributed to intramolecular sulphurMIDLINE HORIZONTAL ELLIPSIS pi (SMIDLINE HORIZONTAL ELLIPSIS pi) interactions, which were further supported by theoretical calculations.

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