反应条件
1: piperidine, molecular sieves / pyridine / 2 h / 80 °C 2: LiBr, AcONa / dimethylformamide / 6 h / 130 °C 3: dimethylformamide / 8 h / 160 °C View Scheme
参考文献
Danieli; Bertario; Carrea; Redigolo; Secundo; Riva
Helvetica Chimica Acta, 1993 , vol. 76, # 8 p. 2981 - 2991
