反应详情

Treatment of 23.8 g. (0.100 mole) of 5,5-dimethyl-3-tetrahydropyranyloxy-1-octyne (Example 154) successively with 233 mg. of 0.43M disiamylborane in diglyme, 22.5 g. of trimethylamine oxide, 150 ml. of 1N sodium hydroxide, 25.4 g. of iodine, and 900 ml. of 3:1:1 tetrahydrofuran-acetic acid-water as described in Example 151 gives the title compound.