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- W2015454258 abstract "All of the title compounds (1–3) exist as single configurational isomers with ‘all-E’ geometry, when synthesized, and have been shown to be products formed under kinetic control which isomerize in trifluoroacetic acid to more stable isomers with ‘2-Z’ and ‘4-Z’ geometry. Most of these configurational isomers exist as a rapidly equilibrating mixture of two (or more) conformers. The results of 1H NMR studies on the isomer equilibria and the isomerization rates in CDCl3 and CF3CO2D–CD2Cl2 solutions including variable temperature experiments are reported. Complete isomer equilibria are not attained because some of the isomerization barriers are too high (> 27 kcal mol–1)." @default.
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- W2015454258 date "1992-01-01" @default.
- W2015454258 modified "2023-09-26" @default.
- W2015454258 title "Configurational and conformational isomerism of 9,14-dimethyl-, 2,9,14-trimethyl- and 9,14,19-trimethyl-10,11,12,13-tetradehydro[19]annulenones in neutral and acidic solutions" @default.
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- W2015454258 doi "https://doi.org/10.1039/p29920000479" @default.
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