Method for synthesizing 3,5-diiodo-4-hydroxy benzyl alcohol (US Patent 11834396)

Patent number: 11834396 Kind code: B2 Granted: 2023-12-05 Filed: 2021-09-06 Inventors: Irène Erdelmeier (Paris, FR); Sylvain Daunay (Le Perreux sur, FR) Assignees: INNOVERDA (Villejuif, FR) CPC: C07C 37/62; C07C 39/15

Abstract

A method for synthesizing 4-hydroxy-3,5-diiodobenzyl alcohol. The synthesis method includes, in just one step, the synthesis of 4-hydroxy-3,5-diiodobenzyl alcohol from 4-hydroxybenzylalcohol, in an aqueous medium at an initial pH of at least 7, containing at least 2 equivalents of