反应条件
1: 90 percent / Br2, / CCl4 2: 87 percent / LiBr, Li2CO3, / hexamethylphosphoric acid triamide / 1.) 20 deg C, 5 h, 2.) 40 deg C, 3.5 h 3: 89 percent / 2 percent NaOH / dioxane 4: 72 percent / acetic acid View Scheme
参考文献
Frater, G.; Mueller, U.; Schoepfer, U.
Tetrahedron Letters, 1984 , vol. 25, # 3 p. 281 - 284
