发明名称 |
Process for preparing optically active trimethyllactic acid and its esters |
摘要 |
The invention relates to a novel process for preparing optically active trimethyllactic acid and/or its esters by catalytic hydrogenation of trimethylpyruvic acid and/or its esters in the presence of noble metal complex catalysts containing phosphorus ligands.
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申请公布号 |
US6583312(B2) |
申请公布日期 |
2003.06.24 |
申请号 |
US20010864906 |
申请日期 |
2001.05.24 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
SIRGES WOLFRAM;DREISBACH CLAUS |
分类号 |
B01J31/24;C07B61/00;C07C51/367;C07C59/01;C07C67/31;C07C69/675;(IPC1-7):C07C69/675;C07D27/24;C07D307/02 |
主分类号 |
B01J31/24 |
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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