N-(5-bromo-4-fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)-2-cyclopropylacetamide 、
(R)-3-Boc-氨基哌啶 、
三乙胺 在
acetonitrile-water 作用下,
以
正丁醇 为溶剂,
以to provide (R)-tert-butyl 1-(5-bromo-3-(2-cyclopropylacetamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (85 mg, 26% yield) as a solid的产率得到(R)-tert-butyl 1-(5-bromo-3-(2-cyclopropylacetamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate