1: Et3N / toluene / 6 h / 110 °C / further arylazomethylenetriphenylphosphoranes; further solvents, various reaction times and temperatures
2: 0.165 g / aq. H2SO4 / methanol / 72 h / Ambient temperature
View Scheme
参考文献
Alemagna, A.; Buttero, P. Del; Licandro, E.; Papagni, A.; Ballabio, M.
Tetrahedron, 1985 , vol. 41, # 12 p. 2503 - 2512