Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Organic Chemistry Frontiers called Metallic salt-catalyzed direct indium insertion into alkyl iodides and their applications in cross-coupling reactions, Author is Chen, Bing-Zhi; Wang, Chuang-Xin; Jing, Zhen-Hua; Chu, Xue-Qiang; Loh, Teck-Peng; Shen, Zhi-Liang, which mentions a compound: 2689-65-8, SMILESS is IC1=CC=C(O1)C=O, Molecular C5H3IO2, Application of 2689-65-8.
An efficient method for the synthesis of alkyl indium reagents by an indium(III) or lead(II) halide-catalyzed direct insertion of indium into alkyl iodides and their applications in palladium-catalyzed cross-coupling reactions with aryl halides is developed. NMR and ESI-MS analyses indicated that rather than the formation of the commonly recognized alkyl indium sesquihalide with the formulation of R3In2X3, the formed alkyl indium reagent in the present protocol should be a mixture of an alkyl indium dihalide (RInX2) and a dialkyl indium halide (R2InX) (both of them presumably exist as dimers).
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Reference:
1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem