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PROCESS FOR THE PREPARATION OF IODINATED CONTRAST AGENT 发明申请

2023-05-04 1940 864K 0

专利信息

申请日期 2025-07-14 申请号 CA2743079
公开(公告)号 CA2743079A1 公开(公告)日 2010-05-27
公开国别 CA 申请人省市代码 全国
申请人 BRACCO IMAGING SPA
简介 The present invention relies on a process for the preparation of non ionic iodinated contrast agents and, in more details, it relates to a process for the preparation of Iopamidol in high yields and with a high degree of purity. In more details, the invention discloses a process for the preparation of a compound of formula (III) comprising the 5 condensation reaction a com-pound of formula (II) with 2-amino-1, 3-propandiol, being said reaction carried out in an aprotic dipolar solvent and in the pres-ence of an alkaline or alkaline rare earth metal oxide or hydroxide.


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