反应详情

A solution of 4-(7-Benzenesulfonyl-5-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester (4.0 g, 13 mmol) in DCM (100 mL) was treated with anhydrous HCl (4M in dioxane, 100 mL) and stirred at room temperature overnight. The suspension was concentrated in vacuo to give 7-Benzenesulfonyl-5-methyl-4-piperazin-1-yl-7H-pyrrolo[2,3-d]pyrimidine dihydrochloride (5.4 g, 100%.) LCMS (APCI+) m/z 358 [M+H]+; Rt: 1.79.

1. concentrationThe suspension was concentrated in vacuo