Invention Grant
- Patent Title: Method for manufacturing diethylene triamine pentaacetic acid derivative
- Patent Title (中): 二亚乙基三胺五乙酸衍生物的制备方法
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Application No.: US11134397Application Date: 2005-05-23
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Publication No.: US07767844B2Publication Date: 2010-08-03
- Inventor: Te-Wei Lee , Chia-Hsi Yang , Yen-Sheng Ho , Li-Hui Lu , Shu-Ling Chen
- Applicant: Te-Wei Lee , Chia-Hsi Yang , Yen-Sheng Ho , Li-Hui Lu , Shu-Ling Chen
- Applicant Address: TW Taoyuan
- Assignee: Atomic Energy Council
- Current Assignee: Atomic Energy Council
- Current Assignee Address: TW Taoyuan
- Agency: Jackson IPG PLLC
- Main IPC: C07C229/00
- IPC: C07C229/00 ; C07C69/34
Abstract:
The present invention at first prepares a penta-alkyl DTPA and then processes a regioselective hydrolysis over the penta-alkyl DTPA while using a metal ion as a catalyst to obtain a tetra-alkyl DTPA, where, by the above two steps, a monoreactive DTPA derivative is manufactured.
Public/Granted literature
- US20060264669A1 Method for manufacturing diethylene triamine pentaacetic acid derivative Public/Granted day:2006-11-23
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