Water → 1-Cyano-2-methyl-3-prop-2-enylbenzene

참여 물질

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반응 단계

30 g of 1-chloro-2-methyl-3-prop-2-enylbenzene are dissolved in 150 ml of N-methylpyrrolidone, and 25 g of copper(I) cyanide are added. The reaction mixture is heated at 190° C. for 30 hours while stirring. After the mixture has been cooled to 20° C., 125 ml of ethylenediamine and 300 ml of water are added. Stirring is then carried out for 1 hour at 50° C. and for 14 hours at 20° C. Working up is effected by extracting with diethyl ether, washing the organic phase and drying over sodium sulfate, removing the drying agent and distilling off the organic solvent. 24.5 g of crude product are obtained. After chromatography (silica gel/toluene), 14.4 g of pure 1-cyano-2-mehtyl-3-prop-2-enylbenzene are isolated.

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