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.
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
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