1: 2-Amino-5-hydroxy-benzoic acid; acetic anhydride Heating;
2: para-Acetoxybenzaldehyde With toluene-4-sulfonic acid in toluene
Heating;
3: With sodium salt of phosphorous acid
Heating;
参考文献
Bratt, Katarina; Sunnerheim, Kerstin; Bryngelsson, Susanne; Fagerlund, Amelie; Engman, Lars; Andersson, Rolf E.; Dimberg, Lena H.
Journal of Agricultural and Food Chemistry, 2003 , vol. 51, # 3 p. 594 - 600