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ChemicalBook CAS DataBase List 2,2'-Dibromo-4,4'-diiodo-1,1'-biphenyl
852138-93-3

2,2'-Dibromo-4,4'-diiodo-1,1'-biphenyl synthesis

2synthesis methods
-

Yield:852138-93-3 83%

Reaction Conditions:

Stage #1: 2,2'-dibromo-[1,1'-biphenyl]-4,4'-diaminewith hydrogenchloride;NaNO2 in diethyl ether;lithium hydroxide monohydrate at 0; for 0.0833333 h;
Stage #2: with potassium iodide in diethyl ether;lithium hydroxide monohydrate at 0 - 20; for 1.51667 h;
Stage #3: in diethyl ether;lithium hydroxide monohydrate; for 1.5 h;Reflux;

References:

B?uerle, Peter;Buday, Philipp;Dietzek-Ivan?i?, Benjamin;Farh, Micheal K.;Furukawa, Shunsuke;Gr?fe, Stefanie;Hofmeister, Elisabeth;Kasahara, Chizuru;Kowalczyk, Daniel;Kupfer, Stephan;Riediger, Saskia;Saito, Masaichi;Schulz, Martin;W?chtler, Maria;Weigand, Wolfgang;Ziegenbalg, Dirk [Angewandte Chemie - International Edition,2022,vol. 61,# 20,art. no. E202202079][Angew. Chem.,2022,vol. 134,# 20] Location in patent:supporting information

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