Pfizer Global Research & Development, Groton/New London Laboratories, Pfizer Inc., Groton, CT 06340, United States
Abstract:
The large scale synthesis of functionalized 2-pyridylboronate 8 and optimization of its Suzuki-Miyaura coupling to chloropyrazoline (R)-7 to provide a scalable synthesis of mineralocorticoid antagonist (R)-1 is described.