N-methylamine hydrochloride; toluene-4-sulfonic acid in toluene 5 h; RefluxDean-Stark;
参考文献
Da Rocha, David R.; Mota, Kelly; Da Silva, Illana M.C.B.; Ferreira, Vitor F.; Ferreira, Sabrina B.; Da Silva, Fernando De C.
Tetrahedron, 2014 , vol. 70, # 20 p. 3266 - 3270