发明名称 |
PROCESS FOR THE RECOVERY AND RECYCLE OF D-TARTARIC ACID |
摘要 |
There is provided a process for the recovery of essentially enantiomerically pure D-tartanic acid from aqueous and organic waste streams generated in the resolution of racemic 2-amino-2,3-dimethylbutyronitrile via the formation and isolation of a crystalline monobasic tartrate salt. The recovered optically pure D-tartaric acid may be efficiently recycled to provide a sustainable resolution of racemic 2-amino-2,3-dimethylbuty-ronitrile.
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申请公布号 |
WO0147856(A1) |
申请公布日期 |
2001.07.05 |
申请号 |
WO2000EP12946 |
申请日期 |
2000.12.19 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
KREMER, KENNETH, ALFRED, MARTIN |
分类号 |
C07C51/02;C07C51/41;C07C51/43;C07C253/34;C07C255/25;(IPC1-7):C07C51/02;C07C59/255 |
主分类号 |
C07C51/02 |
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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