Process for the preparation of pure flupirtine maleate and its A modification
摘要
A process for preparation of pure flupertine maleate and the pure A crystalline form of flupertine maleate by the use of water soluble alcohols during synthesis and/or purification.
申请公布号
US5959115(A)
申请公布日期
1999.09.28
申请号
US19980064790
申请日期
1998.04.23
申请人
ASTA MEDICA AKTIENGESELLSCHAFT
发明人
OLBRICH, ALFRED;EMIG, PETER;KUTSCHER, BERNHARD;LANDGRAF, KARL-FRIEDRICH;PAULUHN, SIEGFRIED;STANGE, HANS