Table 3. Isomerization of 2-Alkenylbenzoic Acidsa.
PdCl2 (5 mol %); reactions conducted in CH2Cl2 at 25 °C for 5 h.
Starting material recovered.
Reactions in refluxing 1,2-dichloroethane.
Reactions conducted in refluxing CH2Cl2.
Reactions conducted in refluxing isopropyl alcohol.
Starting material 91%; NMR yield.
Starting material 81%; NMR yield.
