1-Propanesulfonyl chloride → N-methyl-N-[(1-propylsulfonylpyrrolidin-3-yl)methyl]-5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-5,8-diazaspiro[2.5]octane-8-sulfonamide

Participants

Reaction Conditions

Reaction Steps

N-methyl-N-(pyrrolidin-3-ylmethyl)-5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-5,8-diazaspiro[2.5]octane-8-sulfonamide (intermediate 25) (0.042 mmol) was dissolved in dry DMSO (0.5 mL), added DIPEA (0.25 mL) and propane-1-sulfonyl chloride (0.050 mmol) and then stirred at 40° C. for 1 h. The pure compound was obtained by standard preparative HPLC purification of the reaction mixture.

Provenance & Evidence