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Optimized Synthesis of 4-Piperidone by sina is a document available to read on EtoBox.
This document describes an improved procedure for the preparation of 1-(2-phenethyl)-4-piperidone, which is a key intermediate for producing fentanyl and related analgesics. The traditional method involves a multi-step Dieckmann condensation and cyclization reaction that produces low and variable yields. The authors investigated parameters such as reaction time, temperature, base, solvent, and dilution to optimize the yield. They determined that using sodium hydroxide as the base, rapidly adding the startin
- Author
- sina
- Language
- EN