反应详情

To a solution of 1-(bromomethyl)-4-(trifluoromethyl)benzene (200 mg, 0.84 mmoles) in DMF (2 mL), cesium carbonate (408 mg, 1.26 mmoles) was added followed by addition of diethyl 2,2′-((5-(1-(hydroxyimino)ethyl)oxazol-2-yl)azanediyl)diacetate (262 mg, 0.84 mmoles) at 25° C. under nitrogen atmosphere and the reaction mixture was stirred at the same temperature for 18 h. The reaction mixture was poured into ice cold water and extracted with ethyl acetate. The combined ethyl acetate extract was washed with water & brine, dried over sodium sulphate and evaporated under reduced pressure. The crude product was purified by column chromatography (Eluent: 15% ethyl acetate in hexane) to yield 295 mg (75%) product as thick liquid.

1. additionThe reaction mixture was poured into ice cold water
2. extractionextracted with ethyl acetate
3. extractionThe combined ethyl acetate extract
4. washwas washed with water & brine
5. dry with materialdried over sodium sulphate
6. customevaporated under reduced pressure
7. customThe crude product was purified by column chromatography (Eluent: 15% ethyl acetate in hexane)