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4,4'-diiodo-2,2'-dimethoxybiphenyl synthesis

4synthesis methods
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Yield:81763-61-3 87%

Reaction Conditions:

Stage #1: 2,2'-dimethoxy-[1,1'-biphenyl]-4,4'-diaminewith hydrogenchloride;sodium nitrite in water;acetonitrile at -10 - 20; for 0.25 h;
Stage #2: with potassium iodide in water;acetonitrile at -10 - 80;

References:

Nomrowski, Julia;Wenger, Oliver S. [Journal of the American Chemical Society,2018,vol. 140,# 16,p. 5343 - 5346] Location in patent:supporting information