Process of making optically pure L-pipecolic acid and process of making anesthetics and intermediates therefrom
The present invention describes a novel process of preparation of optically pure L-Pipecolic acid and an improved process for the conversion of L-pipecolic acid to L-N-(2,6-dimethylphenyl)-1-propyl-2-piperidinocarboxamide, its hydrochloride salt and hydrochloride monohydrate.
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(2008/06/13)
Process for the preparation of ropivacaine hydrochloride monohydrate
New process for the preparation of ropivacaine hydrochloride monohydrate adapted for production in the plant, which process includes three steps.
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(2008/06/13)
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