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Relationship between the  13C NMR chemical shift and substituent effects in the series of meta- and para-substituted phenyl isothiocyanates

I. Danihel, P. Kristián, S. Böhm, and J. Kuthan

Department of Organic Chemistry and Biochemistry, Faculty of Natural Sciences, P. J. Šafárik University, CS-041 67 Košice

 

Abstract: 13C NMR  chemical shiftsof substituents (δr,s/ppm) in meta- or para--substituted phenyl isothiocyanates I and II were found to well correlate with calculated or empirically derived parameters of the substituent X.  Similar linear correlations with π and total at. charges Qπ/e, resp. Qtot/e exhibit slopes of the magnitudes 195 to 640.

Full paper in Portable Document Format: 384a539.pdf

 

Chemical Papers 38 (4) 539–548 (1984)

Sunday, July 21, 2019

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