| 摘要 |
A process for producing a substituted alkylamine derivative represented by general formula (3) or an acid addition salt thereof which comprises adding a salt of a 2-aminothiophenol derivative represented by general formula (1) to an acid, adjusting the pH of the mixture to 6 or lower to thereby convert th e salt into a free form, and then reacting the free-form compound with an amin o acid N-carboxyanhydride represented by general formula (2). In the formulae, X, n, R1, and R2 are the same as defined in the claims.
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