17O NMR spectroscopic study of substitut
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D. W. Boykin; Barbara Nowak-Wydra
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Article
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1991
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John Wiley and Sons
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English
⚖ 372 KB
The '"0 NMR chemical shift data for 23 9-fluorenones in acetonitrile at 75OC are reported. '"0 NMR data for the kubstituted 9-fluorenones are correlated with '"0 NMR data for 4-substituted acetophenones. Chemical shift data for 1-halogen\*9-fluorenones are deshielded relative to the fisomers, sugges