Process for the preparation of gabapentin

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

Reexamination Certificate

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Reexamination Certificate

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07417166

ABSTRACT:
The present invention relates to a process for the preparation of gabapentin and, more particularly, it relates to a precipitation process of gabapentin by acidification of an aqueous solution deriving from the Hofmann rearrangement of 1,1-cyclohexanediacetic acid monoamide.

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