| 发明名称 |
PROCESS FOR THE RESOLUTION OF RACEMIC PENTOLACTONE TO ITS OPTICAL ISOMERS |
| 摘要 |
A process for resolving racemic alpha -hydroxy- beta , beta -dimethyl- gamma -butyrolactone, referred to as D,L-pantolactone, into its optical antipodes, based on the separation of diastereomeric salts of D,L-pantoic acid ( alpha , gamma -dihydroxy- beta , beta -dimethylbutyric acid), produced from D,L-pantolactone, by means of (-)-3-aminomethylpinane, (+)-3-aminomethylpinane or one of their acid addition salts, as a new resolving agent. |
| 申请公布号 |
HU170781(B) |
申请公布日期 |
1977.09.28 |
| 申请号 |
HU1975BA03196 |
申请日期 |
1975.01.29 |
| 申请人 |
BASF AG,DT |
发明人 |
HOFFMANN,WERNER,DT;PAUST,JOACHIM,DT;HIMMELE,WALTER,DT;VON FRAUNBERG,KARL,DT;SIEGEL,HARDO,DT;PFOHL,SIGBERG,DT |
| 分类号 |
B01D9/02;C07B31/00;C07B57/00;C07C51/00;C07C59/105;C07C67/00;C07C209/00;C07C209/26;C07C211/19;C07D307/33 |
主分类号 |
B01D9/02 |
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