反应详情

Add oxalyl chloride (1.75 mL, 2.54 g, 4 eq.) to a solution of 3-(4-bromo-phenyl)-propionic acid in methylene chloride (100 mL), which contains 0.1 mL DMF at 0° C. and allow the reaction mixture to warm to room temperature and stir 1 hour. Evaporate solvent and dissolve it in 10 mL THF. Add half of the THF solution to 20 mL of methylamine (2M) and stir another hour. Add water to the solution to dissolve solid and wash organic layer with 2N HCl, water and saturated aq. sodium chloride and dry it over MgSO4. Evaporate solvent to afford the title compound 500 mg, 41%. MS 246.0.

1. customat 0° C.
2. stirringstir another hour
3. washwash organic layer with 2N HCl, water and saturated aq. sodium chloride
4. dry with materialdry it over MgSO4