发明名称 Process for the Preparation of Contrast Agents
摘要 The present invention refers to a process for preparing a compound of formula (I) through a carboxymethylation reaction occurring in the presence of a suitable alkylating agent and of a base, without the need of monitoring the pH of the reaction environment. The compound of formula (I) is a useful intermediate in the preparation of diagnostic contrast agents for MRI techniques.
申请公布号 US2009118537(A1) 申请公布日期 2009.05.07
申请号 US20060991763 申请日期 2006.08.24
申请人 BRACCO IMAGING S.P.A. 发明人 CERAGIOLI SILVIA;CIARCELLO GIOVANNI LUCA;LUCIANO CASTIGLIA
分类号 C07C227/18 主分类号 C07C227/18
代理机构 代理人
主权项
地址