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13C chemical shifts of phenol derivatives. A correlation with electronic structure (1980)

Ilczyszyn, Marek ; Latajka, Zdzisław ; Ratajczak, Henryk

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 13 (1980), S. 132-136

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ISSN: 0030-4921

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The 13C chemical shifts of twenty chloro- and nitro-substituted phenols have been measured in d-chloroform. The influence of substituents on the screening at C-1, on the total charge at this position and on the dipole moments is reported and analysed. The results of this study suggest that variations of the chemical shifts at C-1 for meta-methyl-, meta-chloro-, meta-nitro-, ortho- and para-methyl-, ortho- and para-chlorosubstituents mainly reflect charge density changes. The influence of ortho-nitro groups on the screening of C-1 is more complex.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/mrc.1270130215

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