Conclusions
Factor analysis of the most informative NMR parameters of13C and1H monosubstituted pyridines and benzenes showed that four general factors of substituent effects are necessary for their description.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1564–1570, July, 1989.
The authors thank N. M. Sergeev and V. A. Chertkov for providing the FA program, for showing us the basics of the method, and for a discussion of the results.
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Denisov, A.Y., Mamatyuk, V.I. Factor analysis of substituent effects on the NMR parameters of pyridines and benzenes. Russ Chem Bull 38, 1431–1435 (1989). https://doi.org/10.1007/BF00978433
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DOI: https://doi.org/10.1007/BF00978433