ABSTRACT
A series containing nine 3-(substituted phenylsulfonamido)benzoicacids) have been synthesized and examined their purities by their data reported earlier. The characteristic infrared (NH, SO(as), SO(sym) and CO(as) cm-1) stretches, NMR chemical shifts (δ, ppm) of NH protons, CO carbons were assigned and correlated with Hammett substituent constants and Swain-Lupton’s parameters using single and multi-regression analysis. From the results of regression analysis the effect of substituents on the spectral data have been studied.
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