US 11,834,396 B2
Method for synthesizing 3,5-diiodo-4-hydroxy benzyl alcohol
Irène Erdelmeier, Paris (FR); and Sylvain Daunay, Le Perreux sur (FR)
Assigned to INNOVERDA, Villejuif (FR)
Appl. No. 18/021,143
Filed by INNOVERDA, Villejuif (FR)
PCT Filed Sep. 6, 2021, PCT No. PCT/EP2021/074440
§ 371(c)(1), (2) Date Feb. 13, 2023,
PCT Pub. No. WO2022/053418, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 2009106 (FR), filed on Sep. 8, 2020.
Prior Publication US 2023/0286890 A1, Sep. 14, 2023
Int. Cl. C07C 39/27 (2006.01); C07C 37/62 (2006.01)
CPC C07C 37/62 (2013.01) 15 Claims
 
1. A method for synthesizing 4-hydroxy-3,5-diiodobenzyl alcohol, comprising the synthesis, in just one step, of 4-hydroxy-3,5-diiodo-benzyl alcohol of formula 1

OG Complex Work Unit Chemistry
from 4-hydroxybenzylalcohol, in an aqueous solution having an initial pH of at least 7, containing at least 2 equivalents of iodizing agent.