Abstract: Estimates of the acidities of the radical cations derived from remotely substituted and phenyl-substituted fluorenes have been made from measurements of the acidities and oxidation ptentials of the fluorenes and the oxidation potentials of their conjugate bases. The radical cation acidities of fluorene, 2-bromofluorene, and 4-azafluorene were all estimated to be-17. The pKHA.+ values for fluorenes bearing remote donor substituents were as ...
