Abstract
Ultraviolet absorption of 47 benzenesulfonamide derivatives was measured in 95% ethanol. Both electron-donating and -attracting groups in the para-position of sulfon-amide group effected a shift to longer wave lengths. The correlation of displacement of the absorption maxima with the electronic character of substituents was discussed, and approximately linear relation of the shift with Hammett's σ was found in electron donating groups.
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