Development of a Green and Sustainable Manufacturing Process for Gefapixant Citrate (MK-7264) Part 2: Development of a Robust Process for Phenol Synthesis

Various synthetic routes to 2-isopropyl-4-methoxyphenol 3, the phenol core of Gefapixant citrate (MK-7264), are described, which provide better alternatives to the initial four-step supply route. T...