反应条件
1: N,N-diisopropyl carboxamide With trichlorophosphate in anhydrous dichloroethane T=0°C; Vilsmeier-Haack reaction; 1 h; Reflux; 2: 1-methyl-pyrrole in anhydrous dichloroethane T=0°C; Vilsmeier-Haack reaction; 0.25 h; Reflux; 3: With water; sodium acetate in anhydrous dichloroethane 0.5 h; regioselective reaction;
参考文献
Synthesis, , vol. 44, # 9 p. 1353 - 1358