A Systematic Investigation of Long-Range Couplings in the 1H NMR Spectra of Dimeric Indanones |
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| Authors: | Susanne Felsinger Hermann Kalchhauser and Horst Neudeck |
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| Institution: | (1) College of Chemistry and Environmental Science, Hebei University, 071002 Baoding, People’s Republic of China;(2) College of Sciences, Hebei University of Science and Technology, 050018 Shijiazhuang, People’s Republic of China;(3) College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 050018 Shijiazhuang, People’s Republic of China |
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| Abstract: | During the synthesis of methyl substituted indanones by intramolecular cyclization of 3-phenyl-propionic acids, dimerization led to by-products which can be considered as dimeric indanones. The proton NMR spectra of these compounds exhibit pronounced scalar couplings over up to seven bonds. A series of structures of the above type were investigated, and their NMR spectroscopic behaviour is discussed. |
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