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2-Polyfluoroalkylchromones. 12. Nitration of 5,7-dimethyl-2-polyhaloalkylchromones and complete assignment of signals in the 1H and 13C NMR spectra of 5,7-dimethyl-2-trifluoromethylchromone and its mono- and dinitro derivatives

✍ Scribed by V. Ya. Sosnovskikh; B. I. Usachev; M. I. Kodess


Book ID
110407445
Publisher
Springer
Year
2002
Tongue
English
Weight
379 KB
Volume
51
Category
Article
ISSN
1573-9171

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Complete analysis of the 1H NMR spectra
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## Abstract The proton spectra of bicyclo[3.2.0]hept‐2‐en‐6‐one and the 7,7‐dimethyl, 7,7‐dichloro and 7‐__endo__‐chloro derivatives were analysed and the chemical shifts and coupling constants are reported. Molecular modelling and chemical shift calculations together with the observed couplings sh