反应条件
1: 78.5 percent / ethylchloroformate, Et3N, NaN3
2: 50 percent / PPA / 0.17 h / 100 °C
3: SOCl2 / methanol
4: Et3N
5: 90 percent / Br2, / CCl4
6: 87 percent / LiBr, Li2CO3, / hexamethylphosphoric acid triamide / 1.) 20 deg C, 5 h, 2.) 40 deg C, 3.5 h
7: 89 percent / 2 percent NaOH / dioxane
View Scheme
参考文献
Frater, G.; Mueller, U.; Schoepfer, U.
Tetrahedron Letters, 1984 , vol. 25, # 3 p. 281 - 284
