The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 2015
Filed:
Feb. 16, 2009
Giovanni Battista Giovenzana, Novara, IT;
Camilla Cavallotti, Novara, IT;
Luciano Lattuada, Bussero, IT;
Fulvio Uggeri, Codogno, IT;
Giovanni Battista Giovenzana, Novara, IT;
Camilla Cavallotti, Novara, IT;
Luciano Lattuada, Bussero, IT;
Fulvio Uggeri, Codogno, IT;
BRACCO IMAGING S.P.A., Milan, IT;
Abstract
The present invention relates to a process for the preparation of iodinated phenols, —in particular, it relates to a process including the electrochemical iodination of 3,5-disubstituted phenols of formula (1) to the corresponding 3,5-disubstituted-2, 4,6-triiodophenols of formula (2), which are useful intermediates for the synthesis of x-ray contrast media, and to the preparation of the contrast media themselves. Furthermore, the present invention includes the electrochemical iodination of 3, 5- disubstituted anilines of formula (6) to the corresponding 3,5-disubstituted-2,4,6-triiodoanilins of formula (7).