“…In BP radical cation (BP +. ), it is again C-6 that displays by far the major reactivity with nucleophiles (Blackburn et al, 1974; Caspary et al, 1973; Cavalieri and Auerbach, 1974; Cremonesi et al, 1989; Jeftic and Adams, 1970; Johnson and Calvin, 1973; Menger et al, 1976; Rochlitz, 1967; Stack et al, 1995; Wilk et al, 1966; Wilke and Girke, 1972). C-1 and C-3 follow in decreasing order (Cavalieri and Calvin, 1971, 1972; Cremonesi et al, 1989).…”