In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Straightforward synthesis of PET tracer precursors used for the early diagnosis of Alzheimers disease through Suzuki-Miyaura cross-coupling reactions, published in 2013-09-02, which mentions a compound: 945400-80-6, Name is 2-Bromobenzo[d]thiazol-6-amine, Molecular C7H5BrN2S, Name: 2-Bromobenzo[d]thiazol-6-amine.
In positron emission tomog. [11C]PIB, Pittsburgh Compound-B, is currently the most widely used radiopharmaceutical for the early diagnosis of Alzheimer’s disease. Synthetic routes for the preparation of the precursor of [11C]PIB are reported in the literature. These strategies require multiple steps and the use of protecting groups. This paper describes a simple 1-step synthesis of the precursor of [11C]PIB through a Suzuki-Miyaura coupling reaction using thermal conditions or microwave activation. These methods were successfully applied to the synthesis of various 2-arylbenzothiazole and 2-pyridinylbenzothiazole compounds including [18F] precursor derivatives of PIB containing a nitro function.
As far as I know, this compound(945400-80-6)Name: 2-Bromobenzo[d]thiazol-6-amine can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.
Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider