Related Products of 754125-43-4, The chemical industry reduces the impact on the environment during synthesis 754125-43-4, name is Methyl 3-(cyclopentylamino)propanoate, I believe this compound will play a more active role in future production and life.
To a stirred solution of methyl 3-(cyclopentylamino)propanoate (6.0 g, 35.0 mmol) and potassium carbonate (7.3 g, 52.6 mmol) in 150 mL of acetone was slowly added 2,4-dichloro-5-nitropyrimidine (6.8 g, 35.0 mmol, dissolved in 50 mL acetone) at 0 “C. The reaction mixture was stirred and allowed to approach room temperature over a period of 12-16 hours. After the reaction was complete as monitored by reverse phase analytical liquid-chromatography electrospray mass spectrometry (LC-MS), the solvent was removed in vacuo. The resulting slurry was then diluted in water and brine and extracted with dichloromethane. The combined organic layers were dried over anhydrous sodium sulfate and concentrated. The residue was purified by silica- gel chromatography with dichloromethane:methanol (100:1 v/v) to give the title compound I-l-a (8.0 g, 69percent), MS (ESI) m/z 329 (M+H)+.
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Reference:
Patent; DANA FARBER CANCER INSTITUTE; GRAY, Nathanael, S.; DENG, Xianming; KWIATKOWSKI, Nicholas, Paul; WO2010/80712; (2010); A2;,
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