1: With tri-ruthenium(0)dodecacarbonyl; tri-cyclo-hexyl-phosphine in toluene T=130°C; 48 h; Inert atmosphere; 2: With toluene-4-sulfonic acid in toluene T=75°C; regioselective reaction;
参考文献
Journal of the American Chemical Society, , vol. 135, # 10 p. 3796 - 3799