5-exo or 6-endo? Exploring Transition State Structures in Cyclizations of 4-Penten-1-oxyl Radicals

Polar and Steric Substituent Effects in

Polar and Steric Substituent Effects in 5-exo-trig Cyclizations of 1-Aryl-4-penten-1-oxyl Radicals

✍ Jens Hartung; Margit Hiller; Philipp Schmidt 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 32 KB 👁 2 views

By mistake wrong concentrations were given in the footnote of Table 1 and in the Discussion. Instead of c 0 ϭ 1.2  read c 0 ϭ 0.12  if 2-naphthalenethiol was used as hydrogen donor and instead of c 0 ϭ 1.8  read c 0 ϭ 0.18  if Bu 3 SnH was used to trap photoproducts. In Table 2 relative rate con