Chen, Po-Ting; Yu, Chia-Ling; Shen, Min-Hsiu; Cheng, Mu-Jeng; Wu, Yao-Ting; Hsu, Hsiu-Fu published an article in 2022. The article was titled 《Highly Substituted Acephenanthrylenes and Their π-Extended Derivatives: Syntheses, Structural Analyses, and Properties》, and you may find the article in Organic Letters.Formula: C6H4BrI The information in the text is summarized as follows:
This investigation demonstrates that a series of (highly) substituted acephenanthrylenes (APs) e.g., I, benzo[l]acephenanthrylene II (R1 = 4-methylphenyl) and dicyclopenta[cd,mn]pyrene III (R2 = 4-pentylphenyl) was easily prepared by palladium-catalyzed cycloaromatization of 2,3-diethynylbiphenyls 2,3-(CCAr)2-4-R1-5-R2-6-R3-CR. The first nonpyrolysis synthesis of III by two-fold cycloaromatization was achieved in a high yield. This synthetic protocol has two crucial advantages: facile introduction of various substituents and efficient extension of the AP backbone. After reading the article, we found that the author used 1-Bromo-3-iodobenzene(cas: 591-18-4Formula: C6H4BrI)
1-Bromo-3-iodobenzene(cas: 591-18-4) has been used in the preparation of 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodec-1-ene and 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooct-1-ene.Formula: C6H4BrI Further, it is involved in the preparation of oxygen-tethered 1,6-enynes.
Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com