The invention relates to a process for the preparation of ioxilan of formula 5-[N-(2,3-dihydroxypropyl)acetamido]-2,4,6-triiodo-N-(2,3-dihydroxypropyl)-N′-(2-hydroxyethyl)isophthalamide by atomization and to the improved product thus obtained. This process makes it possible to avoid a process by crystallization and results in an active principle having an improved solubility.
US5698739A
申请人:——
公开号:US5698739A
公开(公告)日:1997-12-16
[EN] PROCESS FOR THE ATOMIZATION OF IOXILAN<br/>[FR] PROCEDE D'ATOMISATION DE L'IOXILANE
申请人:GUERBET SA
公开号:WO2007116039A1
公开(公告)日:2007-10-18
[EN] The invention relates to a process for the preparation of ioxilan of formula 5-[N- (2,3-dihydroxypropyl)acetamido]-2,4,6-triiodo-N-(2,3-dihydroxypropyl)-N'-(2- hydroxyethyl)isophthalamide by atomization and to the improved product thus obtained. This process makes it possible to avoid a process by crystallization and results in an active principle having an improved solubility. [FR] La présente invention concerne un procédé de préparation par atomisation de l'ioxilane, de formule 5-[N- (2,3-dihydroxypropyl)acétamido]-2,4,6-triiodo-N-(2,3-dihydroxypropyl)-N'-(2- hydroxyéthyl)isophtalamide ; l'invention concerne également le produit amélioré ainsi obtenu. Le procédé de l'invention permet d'éviter de passer par une cristallisation et permet d'obtenir un principe actif présentant une solubilité améliorée.