KINETIC-STUDIES ON THE REACTION OF SULFINIC ACIDS WITH CONJUGATED ALKENES .2. KINETICS OF THE ADDITION OF ARENESULFINIC ACIDS TO 4-SUBSTITUTED 2-NITROETHENYLARENES
Di. Aleksiev et S. Ivanova, KINETIC-STUDIES ON THE REACTION OF SULFINIC ACIDS WITH CONJUGATED ALKENES .2. KINETICS OF THE ADDITION OF ARENESULFINIC ACIDS TO 4-SUBSTITUTED 2-NITROETHENYLARENES, Phosphorus, sulfur and silicon and the related elements, 90(1-4), 1994, pp. 41-45
The kinetics of the addition of arenesulfinic acids to 4-substituted 2
-nitroethenylarenes was studied by means of UV spectrophotometry. The
effect of 4-substituting groups in benzenesulfinic acids, and the chan
ge in reactivity of nitroethylene system due to typical electron-donat
ing and electron-withdrawing groups were investigated. The substituent
effect on benzenesulfinic acid fits Hammett's equation, p-value at 29
8 K being -1.12 (r = 0.987). Kinetic studies were carried out at 288-3
08 K, and the activating energy and the enthalpy of activation were de
termined.