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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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