| 摘要 |
Racemic amino derivatives of the formulaare prepared by a new process which comprises reacting an optically active amide of the formulain whichwith a strong base, optionally in the presence of an organic diluent and, if desired, reacting the resulting racemic amide.eithera) with water in the presence of a base or an acid and optionally in the presence of an organic diluent,orb) if the compound of the formula (I) is an amide in which R3 is hydrogen, with an alkali metal hydroxide or an alkaline earth metal hydroxide.
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