Water → N-Acetyl-N-(3-ethoxycarbonylaminophenethyl)amine

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Reaction Steps

In pyridine (5 ml) was dissolved 1.7 g of N-acetyl-N-(3-aminophenethyl)amine (Preparation Example 29), followed by dropwise addition of ethyl chloroformate (1.4 ml) under ice-cooling. After stirring at room temperature for 1 hour, the mixture was ice-cooled again. Water was added thereto, followed by extracting with ethyl acetate. The extract was washed with brine, dried over anhydrous magnesium sulfate and the solvent was evaporated, to give the title compound (2.358 g, 97%) as a yellow oil.

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