反应详情

21 gm (0.065 mole) of 2-chloromethyl-8-(2-chloro-5-thiazolyl)methyl-1,4-dioxa-8-azaspiro[4,5]decane was taken in DMF (300 ml) at 28° C. To this mixture was added 28 gm of potassium carbonate, 10 gm of 5-chloro-2-fluoroaniline and the catalyst potassium iodide. The mass was kept at 140° C. for 20 hrs. The mixture was poured into ice-cooled water and the mass was extracted with ethyl acetate. The solvent was distilled off to get the dark brick red colored product with yield 85%.

1. additionThe mixture was poured into ice-
2. extractionthe mass was extracted with ethyl acetate
3. distillationThe solvent was distilled off
4. customto get the dark brick red colored product with yield 85%