反应详情

(S)-3-((R)-1-Hydroxy-2-isopropoxyethyl)pyrrolidine-1-carboxylic acid t-butyl ester (25.0 mg, 91.4 μmol) was dissolved in DMF (190 μL). NaH (2.6 mg, 109.7 μmol) was added and the mixture was stirred at room temperature for 15 minutes. 2,4-Dichloro-1-fluorobenzene (21.4 μL, 182.9 mmol) was added and the mixture was stirred at 70° C. for 3 hours. The mixture was concentrated then dissolved in 1.2M HCl in EtOH (949 μL, 1.1 mmol) and stirred overnight. The product was concentrated and purified by preparative HPLC to yield the title compound as a mono-TFA salt oil (29.5 mg, 97% purity). MS m/z: [M+H]+ calcd for C15H21Cl2NO2, 318.10. found 318.0.

1. stirringthe mixture was stirred at 70° C. for 3 hours
2. concentrationThe mixture was concentrated
3. stirringstirred overnight
4. concentrationThe product was concentrated
5. custompurified by preparative HPLC