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85828-82-6

ethyl 3,5-diiodo-4-(4-methoxyphenoxy)phenylacetate synthesis

5synthesis methods
-

Yield:85828-82-6 69%

Reaction Conditions:

Stage #1: C17H20N2O4with sulfuric acid;acetic acid;sodium nitrite at 0; for 1.75 h;
Stage #2: with iodine;urea;sodium iodide in chloroform;water at 20; for 1 h;

Steps:



[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetic acid (8)The title compound was prepared as described by Wilkinson J H Synthesis of some Possible Metabolites of Thyroxin and Triiodothyronine Biochem J. 1956 August; 63(4):601-605.

References:

US2011/105482,2011,A1 Location in patent:Page/Page column 10