反应详情

218.2 g (1 mole) of 5-(4-methoxy-benzylidene)-hydantoin are dissolved in 2 l of a N sodium hydroxide solution and 50 g of wet Raney-nickel are added. The reaction mixture is worked up according to Example 6. Thus 180.6 g of the desired compound are obtained, yield 82 %. Mp.: 174° C.

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