1: dimethyl sulfoxide / 2 h / 100 °C
2: potassium carbonate / ethylene glycol; glycerol / 12 h / 110 °C / Inert atmosphere
View Scheme
参考文献
Aspinall, Helen C.; Beckingham, Oliver; Farrar, Michael D.; Greeves, Nicholas; Thomas, Christopher D.
Tetrahedron Letters, 2011 , vol. 52, # 40 p. 5120 - 5123