发明名称 AN IMPROVED PROCESS FOR THE PURIFICATION OF GABAPENTIN
摘要 The present invention relates to a process for the purification of Gabapentin with very low content of anions by suspending the Gabapentin acid addition salt in organic solvent and neutralizing with a base at a specified temperature range, cooling to ambient temperature, followed by separation of Gabapentin, and purification in aqueous alcohol.
申请公布号 WO2005117526(A3) 申请公布日期 2007.04.12
申请号 WO2005IN00137 申请日期 2005.05.03
申请人 MATRIX LABORATORIES LTD;SATYANARAYANA, CHAVA;RAMANJANEYULU, GORANTLA, SEETA;KUMAR, INDUKURI, VENKATA, SUNIL 发明人 SATYANARAYANA, CHAVA;RAMANJANEYULU, GORANTLA, SEETA;KUMAR, INDUKURI, VENKATA, SUNIL
分类号 C07C227/42;C07C229/28 主分类号 C07C227/42
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