3-[5-acetyl-1-((1R,2R)-4-bromo-6-fluoro-2-hydroxy-indan-1-yl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridin-3-yl]-benzonitrile 、
氰化亚铜 在
acetonitrile-water 、
三氟乙酸 作用下,
以
二甲基亚砜 为溶剂,
反应 1.5h,
以to give 27 mg of (1R,2R)-1-[5-acetyl-3-(3-cyano-phenyl)-4,5,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-1-yl]-6-fluoro-2-hydroxy-indan-4-carbonitrile (21b)的产率得到(1R,2R)-1-[5-acetyl-3-(3-cyano-phenyl)-4,5,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-1-yl]-6-fluoro-2-hydroxy-indan-4-carbonitrile