ethyl4-(8-chloro-11-fluoro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-4-fluoropiperidine-1-carboxylate

This product is ethyl 4-(8-chloro-11-fluoro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-4-fluoropiperidine-1-carboxylate, a key pharmaceutical intermediate for the synthesis of tadalafil, belonging to the piperidine heterocyclic compound class. It features high purity, good stability, and excellent reaction conversion rate. It is mainly used in the research and production of pharmaceutical raw materials and is widely applied in the development of drug synthesis processes in pharmaceutical companies and research institutions. It strictly adheres to industry quality standards and can meet the demands of both large-scale production and experimental research. Our company offers customization services, providing one-stop custom synthesis from milligram to kilogram scale, from small-scale trials to scale-up.