1: 91 percent / 4-(dimethylamino)pyridine, pyridine / pyridine / 12 h / Ambient temperature
2: lithium acetylide-ethylenediamine / dimethylsulfoxide / 2 h / Ambient temperature
View Scheme
参考文献
Crooks, Peter A.; Reynolds, Robert C.; Maddry, Joseph A.; Rathore, Anita; Akhtar, M. Shamim; et al.
Journal of Organic Chemistry, 1992 , vol. 57, # 10 p. 2830 - 2835