Hydrochloric Acid → 4-(3-Aminopyrrolidin-1-yl)-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-5,5-dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one

関与物質

反応手順

0.71 ml of a 2N solution of hydrogen chloride in diethyl ether was added to 81 mg (0.24 mmol) of tert.-butyl-(1-{2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-5,5-dimethyl-6-oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl}pyrrolidin-3-yl)carbamate (racemate, example 61A) and it was stirred for 4 h at room temperature. The reaction solution was concentrated and was purified by preparative HPLC (acetonitrile/water (+0.1% trifluoroacetic acid) gradient). The concentrated fractions were dissolved in dichloromethane and washed twice with saturated aqueous sodium hydrogen carbonate solution. The combined aqueous phases were extracted twice with dichloromethane. The combined organic phases were dried over sodium sulphate, filtered and concentrated by evaporation. 37 mg (55% of theor.) of the target compound was obtained.

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