Tetrahydro-2,5-dimethoxyfuran-3-carbaldehyde → tert-Butyl 3-((2-(5-cyanopyrazin-2-ylamino)-5-(3-formyl-1H-pyrrol-1-yl)pyridin-4-ylamino)methyl)piperidine-1-carboxylate

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반응 단계

tert-Butyl 3-((5-amino-2-(5-cyanopyrazin-2-ylamino)pyridin-4-ylamino)methyl)piperidine-1-carboxylate (60 mg, 0.141 mmol) (Synthesis 101-C) was dissolved in DCE/AcOH (1/1, 5 mL). 2,5-Dimethoxytetrahydrofuran-3-carboxaldehyde (28 uL, 0.211 mmol) was added and the solution was stirred at 80° C. for 1 h. The solution was evaporated to dryness and the product (143 mg, approximately 50% purity) was used without further purification.

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