Pyridine is a six-membered heterocyclic compound containing one nitrogen heteroatom. Pyridine and piperidine are the most frequently occurring heterocyclic building blocks in drug molecules. According to incomplete statistics, there are currently more than 180 drugs containing pyridine or piperidine structure that have been marketed, nearly 1/5 of the drugs approved for marketing in recent years contain these two structures.
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Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom. It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish-like smell.
Lilly announced the five-year results of a pre-planned analysis of Phase 3 MonarchE study, which evaluated two years of adjuvant Verzenio® (Abemaciclib) in combination with endocrine therapy (ET) compared with ET alone in patients with HR+, HER2-, node-positive early breast cancer (EBC) at a high risk of recurrence. Abemaciclib is the first and only CDK4/6 inhibitor approved for the treatment of node-positive, high-risk early breast cancer (EBC) patients. Chemenu has been working to develop more compounds for drug discovery. Here are the building blocks we can provide.