1: dioxane / 0.25 h
2: triphenylphosphine, diethyl azodicarboxylate / dioxane / 0.33 h / Ambient temperature
3: 1 M HF in pyridine / dioxane / 0.25 h
View Scheme
参考文献
Gao, Xiaolian; Gaffney, Barbara L.; Hadden, Susan; Jones, Roger A.
Journal of Organic Chemistry, 1986 , vol. 51, # 5 p. 755 - 758