reaction of a mixture of bicyclic ozonides (trioxolans), carbonyl compounds, and hydrogen peroxide in the presence of catalytic amounts of chlorosulphonic acid gives the corresponding 2,3,5,6,11-pentaoxabicyclo[5.3.1]undecanes in 3–35% yield.
在催化量的
氯磺酸存在下,双环臭化物(三氧杂
环戊烷),羰基化合物和
过氧化氢的混合物反应,在3–中生成相应的2,3,5,6,11-五氧杂
双环[5.3.1]十一烷35%的产率。