By means of pulse radiolysis in water, N-chlorosuccinimide (SCl) was reduced in a one- electron step to yield the succinimidyl radical, S', via the intermediacy of the radical anion, SCP-. The rate of ring opening of So was measured to be 8 X lo4 sl. By equilibration with C12'-/2Cl-, the one-electron reduction potential of So was determined to be 2.22 f 0.02 V vs NHE. From this value and other data, the NH bond strength in succinimide was calculated ...
