| 发明名称 |
Process for the production of DTPA-tetraesters of terminal carboxylic acids |
| 摘要 |
The invention relates to a process for the production of diethylenetriaminepentacarboxylic acid tetraesters of general formula I <IMAGE> (I) in which R1 and Z have different meanings.
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| 申请公布号 |
US5676926(A) |
申请公布日期 |
1997.10.14 |
| 申请号 |
US19960634186 |
申请日期 |
1996.04.18 |
| 申请人 |
SCHERING AKTIENGESELLSCHAFT |
发明人 |
PLATZEK, JOHANNES;NIEDBALLA, ULRICH;RADEUCHEL, BERND |
| 分类号 |
C07C227/08;C07C229/16;C07C229/36;C07D213/55;(IPC1-7):C07C229/06 |
主分类号 |
C07C227/08 |
| 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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