1. (a) Lowry, T. H.; Richardson, K. S.Mechanism and Theory in OrganicChemistry, 3rd ed.; Harper and Row: New York, 1987; pp 391−393.
2. (b) Carey, F. A.; Sundberg, R. J.Advanced Organic Chemistry, Part A: Structure and Mechanism, 4th ed.; Kluwer Academic/Plenum: New York, 2000; pp 287−289.
3. krel(X = OTs):1a1(10-10),2(10-4),3(1.0); (X = Br):1b1(10-10),2(10-3),3(1.0).
4. Calculation of bridgehead reactivities