(S)-6-chloro-N-(1,1,1-trifluoropropan-2-yl)pyridine-3-sulfonamide 、
3-cyano-1-cyclobutyl-5-fluoro-6-methyl-1H-indol-2-ylboronic acid 在
potassium fluoride 、
tris-(dibenzylideneacetone)dipalladium(0) 、 tri tert-butylphosphoniumtetrafluoroborate 作用下,
以
四氢呋喃 为溶剂,
以68%的产率得到6-(3-cyano-1-cyclobutyl-5-fluoro-6-methyl-indol-2-yl)-N-[(1S)-2,2,2-trifluoro-1-methyl-ethyl]pyridine-3-sulfonamide