3-溴-4-氯吡啶 、 2-(4-chloro-pyridin-3-yl)-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine 、
trifluoro-methanesulfonic acid 2-ethyl-5-pyridin-3-yl-2H-pyrazol-3-yl ester 以to give 2-(4-chloropyridin-3-yl)-5-(1-ethyl-3-(pyridin-3-yl)-1H-pyrazol-5-yl)-1H-pyrrolo[2,3-b]pyridine (4.1 mg) as a light brown solid的产率得到2-(4-chloropyridin-3-yl)-5-(1-ethyl-3-(pyridin-3-yl)-1H-pyrazol-5-yl)-1H-pyrrolo[2,3-b]pyridine