反应条件
1: With pyridine; 1,8-diazabicyclo[5.4.0]undec-7-ene
T=80°C; 12 h;
2: With acetic anhydride
T=80°C; 3 h;
3: With hydrogen bromide in 2,2,2-trifluoroethanol
T=80°C; 14 h; Further stages.;
参考文献
Carles, Lionel; Narkunan, Kesavaram; Penlou, Sebastien; Rousset, Laurence; Bouchu, Denis; Ciufolini, Marco A.
Journal of Organic Chemistry, 2002 , vol. 67, # 12 p. 4304 - 4308