Recommanded Product: 16588-26-4. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 3-Bromo-4-chloronitrobenzene, is researched, Molecular C6H3BrClNO2, CAS is 16588-26-4, about Inexpensive NaX (X = I, Br, Cl) as a halogen donor in the practical Ag/Cu-mediated decarboxylative halogenation of aryl carboxylic acids under aerobic conditions. Author is Fu, Zhengjiang; Jiang, Ligao; Zuo, Qianming; Li, Zhaojie; Liu, Yanzhu; Wei, Zhenhong; Cai, Hu.
A series of aryl halides RX [R = 2-O2NC6H4, 2-NO2-4-MeOC6H3, 3-chlorothiophen-2-yl, etc.; X = Cl, Br, I] was synthesized via Ag/Cu-mediated decarboxylative halogenation of aryl carboxylic acids using sodium halides as halogen donor under aerobic conditions was reported. The halodecarboxylation was shown to be an effective strategy for S-containing heteroaromatic carboxylic acid and benzoic acids with nitro, chloro and methoxyl substituents at the ortho position. A gram-scale reaction and a three-step procedure to synthesize iniparib was performed to evaluate the practicality of this protocol. A preliminary mechanistic investigation indicated that Cu plays a vital role and a radical pathway was involved in the transformation.
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