发明名称 FOERFARANDE FOER RACEMISERING AV OPTISKT AKTIVT S-(KARBOXIMETYL)-CYSTEIN
摘要 1. A process for racemising optically-active S-(carboxymethyl)-cysteine, characterised in that the optically-active S-(carboxymethyl)-cysteine is treated at an elevated temperature in an acidic aqueous medium, which contains an aromatic aldehyde, which has a hydroxy group in the orthoposition to the aldehyde group.
申请公布号 FI824337(L) 申请公布日期 1983.09.14
申请号 FI19820004337 申请日期 1982.12.16
申请人 DEGUSSA AKTIENGESELLSCHAFT 发明人 BETHGE, HORST;KLEEMANN, AXEL;MARTENS, JYRGEN
分类号 C07B55/00;C07B31/00;C07C;C07C67/00;C07C313/00;C07C319/20;C07C323/58 主分类号 C07B55/00
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