Diisopropylethylamine → (S)-tetrahydrofuran-3-yl 3-(2-(5-chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-ylamino)azetidine-1-carboxylate

Participants

Reaction Steps

A suspension of N-(azetidin-3-yl)-2-(5-chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-amine hydrochloride, 6c, (0.06 g, 0.11 mmol) in THF (1 mL) was treated with iPr2NEt (0.30 mL, 1.70 mmol) then solid (S)-2,5-dioxopyrrolidin-1-yl tetrahydrofuran-3-yl carbonate (0.03 g, 0.11 mmol) was added. The resulting mixture was stirred for 2 hours at room temperature and then quenched with 200 μL of morpholine and evaporated to dryness to afford (S)-tetrahydrofuran-3-yl 3-(2-(5-chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-ylamino)azetidine-1-carboxylate, 6d, which was used without purification.

Provenance & Evidence