反应条件
1: 3,4,5-trimethoxy-benzaldehyde; 2-(3,4-dimethoxyphenyl)-ethylamine With formic acid T=110°C; Pictet-Spengler reaction; 2: formaldehyd With formic acid Heating;
参考文献
Ruchirawat, Somsak; Bhavakul, Vanida; Chaisupakitsin, Malinee
Synthetic Communications, 2003 , vol. 33, # 4 p. 621 - 625