Water → Cis-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid

참여 물질

반응 단계

To a suspension of zinc powder (0.52 g, 0.008 mole) in 0.6 ml of acetic acid and 3 ml of ether was added dropwise over a period of 15 minutes a solution of 4-trichloromethyl-6,6-dimethyl-2-oxo-3-oxabicyclo[3.1.0]hexane (0.487 g, 0.002 mole) in 3 ml of ether. The mixture was stirred for two hours at room temperature, 30 ml of ether and 5 ml of water were added, and the mixture was then filtered through Celite filter aid. The organic layer was separated, washed twice with saturated aqueous sodium chloride, dried over magnesium sulfate, and the ether was evaporated to give crystalline cis-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid (0.405 g, 97% yield).

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