Diisopropylethylamine → 5-{[(3S)-1-(4-morpholinylcarbonyl)-3-pyrrolidinyl]methyl}-4-[4-(7-quinolinyl)phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one

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Reaction Steps

Into a 4 mL vial was placed 5-[(3S)-3-pyrrolidinylmethyl]-4-[4-(7-quinolinyl)phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one hydrochloride (0.147 mmol). Added in succession was dichloromethane (2 mL), N,N-diisopropylethylamine (0.458 mmol), and 4-morpholinecarbonyl chloride (0.157 mmol). The vial was capped and the solution was stirred at room temperature for 30 min. The solution was concentrated in vacuo. Reverse phase HPLC (10-70% acetonitrile/water+0.1% NH4OH) was utilized in purifying the title compound (23 mg, 31%). MS(ES)+ m/e 485.2 [M+H]+.

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