| 摘要 |
There is provided a process for the production of a N-benzyl azetidine-2-carboxylic acid alkylphenyl, or alkyl, ester which process comprises the reaction of an optionally substituted alkylphenyl, or an optionally substituted alkyl, 2-bromo-4-chlorobutyrate with an optionally substituted benzylamine, which process may be used as part of an overall process for the production of azetidine-2-carboxylic acid.
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